Готові списки джерел за темами / Oka Theory

Добірка наукової літератури з теми "Oka Theory"

Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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Статті в журналах з теми "Oka Theory"

Kusakabe, Yuta. "An implicit function theorem for sprays and applications to Oka theory." International Journal of Mathematics 31, no. 09 (July 17, 2020): 2050071. http://dx.doi.org/10.1142/s0129167x20500718.

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We solve fundamental problems in Oka theory by establishing an implicit function theorem for sprays. As the first application of our implicit function theorem, we obtain an elementary proof of the fact that approximation yields interpolation. This proof and Lárusson’s elementary proof of the converse give an elementary proof of the equivalence between approximation and interpolation. The second application concerns the Oka property of a blowup. We prove that the blowup of an algebraically Oka manifold along a smooth algebraic center is Oka. In the appendix, equivariantly Oka manifolds are characterized by the equivariant version of Gromov’s condition [Formula: see text], and the equivariant localization principle is also given.

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Studer, Luca. "A homotopy theorem for Oka theory." Mathematische Annalen 378, no. 3-4 (October 17, 2019): 1533–53. http://dx.doi.org/10.1007/s00208-019-01918-0.

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Lárusson, Finnur, and Tuyen Trung Truong. "Approximation and interpolation of regular maps from affine varieties to algebraic manifolds." MATHEMATICA SCANDINAVICA 125, no. 2 (October 19, 2019): 199–209. http://dx.doi.org/10.7146/math.scand.a-114893.

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We consider the analogue for regular maps from affine varieties to suitable algebraic manifolds of Oka theory for holomorphic maps from Stein spaces to suitable complex manifolds. The goal is to understand when the obstructions to approximation or interpolation are purely topological. We propose a definition of an algebraic Oka property, which is stronger than the analytic Oka property. We review the known examples of algebraic manifolds satisfying the algebraic Oka property and add a new class of examples: smooth nondegenerate toric varieties. On the other hand, we show that the algebraic analogues of three of the central properties of analytic Oka theory fail for all compact manifolds and manifolds with a rational curve; in particular, for projective manifolds.

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Agler, Jim, and John E. McCarthy. "Operator theory and the Oka extension theorem." Hiroshima Mathematical Journal 45, no. 1 (March 2015): 9–34. http://dx.doi.org/10.32917/hmj/1428365052.

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Lárusson, Finnur. "Model structures and the Oka Principle." Journal of Pure and Applied Algebra 192, no. 1-3 (September 2004): 203–23. http://dx.doi.org/10.1016/j.jpaa.2004.02.005.

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Okoli, Evans Ebuka. "Consumption and Acceptability Pattern of 21 Evaluated Maize Hybrids for Fresh Maize Production in South-Eastern Nigeria." Journal of Agricultural Policy 3, no. 1 (April 12, 2020): 67–74. http://dx.doi.org/10.47941/jap.392.

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Purpose: Green (fresh) maize (Zea mays L.) provides food security and income to farmers especially when other crops are still in the field. However, research on green maize variety is scarcely reported in literature or information on the consumption or acceptability pattern of the developed maize hybrids. Unattractive colour, bad taste, kernel size and hard kernels are among factors that affect the level of fresh maize acceptability and subsequent consumption of genotypes in the South eastern part of Nigeria, therefore, the purpose of this work is to study the variation in sensory characteristics of hybrids generated from crosses between seven maize genotypes of two local varieties (Oka Mbaise and Oka Bende-white) and five improved varieties (DTMA-4, DMR-ESRY (POOL 18-SR), PVA SYM 8 F2 (PRO VIT A), POOL 66/ACR-91 SUWAN – 1- SR (QPM), DTMA – W, from IITA) was evaluated at the Centre for Agricultural Research, Federal University of technology Owerri and the sensory evaluation was done at different hostels in Umuchima, Ihiagwa and Centre for Agricultural Research, FUTO.Methodology: The methodology used in the field to develop these hybrids was the Randomized Complete Block Design (RCBD). Questionnaires were used to achieve the following palatability qualities measured; colour, kernel hardness, appeal, size and taste. The numerical scoring from the questionnaires was analysed using Genstat discovery 10th Edition.Results: The result of this work revealed that there were significant differences among the hybrids for kernel size and appeal. The cross between DTMA-4 and all other genotypes had the highest grain size (2.17) and was the most preferred by the respondents. The crosses between POOL 66/ACR-91 SUWAN – 1- SR (QPM) and Oka Mbaise; POOL 66/ACR-91 SUWAN – 1- SR (QPM) and Oka Bende-white; DTMA – W and Oka Mbaise; DTMA – W and Oka Bende-white; Oka Mbaise and Oka Bende-white had the hardest grain (3.00) and were least preferred by the respondents. Correlation matrix of the sensory evaluation revealed that grain size, colour and appeal were positively correlated while hardness was negatively correlated with appeal.Unique contribution to theory, policy and practice: In contribution to practice, the study recommends the cross OKA MBAISE X OKA BENDE-WHITE as it was highly preferred by the respondents.

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Noguchi, Junjiro. "A weak coherence theorem and remarks to the Oka theory." Kodai Mathematical Journal 42, no. 3 (October 2019): 566–86. http://dx.doi.org/10.2996/kmj/1572487232.

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Juwariyah, Juwariyah, and Sumartini Sumartini. "Konflik Batin Tokoh Utama dalam Novel Ada Surga di Rumahku Karya Oka Aurora Sebagai Alternatif Bahan Ajar Pembelajaran Sastra di SMA." Jurnal Sastra Indonesia 8, no. 2 (August 28, 2019): 111–18. http://dx.doi.org/10.15294/jsi.v8i2.33717.

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Bahan ajar sastra yang dipilih oleh guru harus menyajikan berbagai nilai yang bisa diaplikasikan siswa dalam kehidupan nyata. Tujuan penelitian ini adalah mendeskripsikan wujud konflik batin yang mengandung nilai-nilai kehidupan novel Ada Surga di Rumahmu karya Oka Aurora. Pendekatan penelitian yang digunakan yaitu deskriptif kualitatif. Sumber data dalam penelitian ini adalah novel berjudul “Ada Surga di Rumahmu” karya Oka Aurora. Metode yang digunakan dalam penelitian ini adalah analisis isi. Data dianalisis menggunakan teori psikopragmatik. Berdasarkan hasil analisis dan pembahasan disimpulkan bahwa wujud konflik batin dalam novel Ada Surga di Rumahmu karya Oka Aurora antara lain pertentangan antara pilihan yang tidak sesuai dengan keinginan, kebimbangan dalam menghadapi permasalahan, serta harapan tidak sesuai dengan kenyataan. Kesesuaian konflik batin yang mengandung nilai-nilai kehidupan dalam novel Ada Surga di Rumahmu karya Oka Aurora dapat dilihat dari aspek psikologi. Rekomendasi dari hasil penelitian diharapkan penyajian bahan ajar pembelajaran sastra di SMA senantiasa diperbaiki, diperbarui dan dimutakhirkan sesuai kebutuhan dan standar yang telah ditentukan. Literary teaching materials chosen by the teacher must present various values that can be applied by students in real life. The purpose of this research is to describe the form of inner conflict that contains the values of life in the novel Ada Surga di Rumahmu by Oka Aurora. The research approach used is descriptive qualitative. The data source in this researchis a novel titledAda Surga di Rumahmu by Oka Aurora. The method used in this researchis content analysis. Data was analyzed using psychopragmatic theory. Based on the results of the analysis and discussion, it was concluded that the form of inner conflict in the novel titledAda Surga di Rumahmuby Oka Aurora includes contradictions between choices that are not in accordance with desires, doubts in facing problems, and expectations not inaccordance with reality. The values of life contained in the novel titled Ada Surga di Rumahmu by Oka Aurora include moral values, religious values, social values, cultural values and educational values. Compatibility of inner conflict that contain the values of life in the novel Ada Surga di Rumahmu by Oka Aurora can be seen from the aspect of psychology. Recommendations from the results of the study are expected to present literature learning materials in high school always improved, updated and updated.according to the needs and standards that have been determined.

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Sullivan, Gregory. "Tricks of Transference: Oka Asajirō (1868–1944) on Laissez-faire Capitalism." Science in Context 23, no. 3 (July 30, 2010): 367–91. http://dx.doi.org/10.1017/s0269889710000128.

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ArgumentContrary to common portrayals of social Darwinism as a transference of laissez-faire values, the widely read evolutionism of Japan's foremost Darwinist of the early twentieth-century, Oka Asajirō (1868–1944), reflects a statist outlook that regards capitalism as the beginning of the nation's degeneration. The evolutionary theory of orthogenesis that Oka employed in his 1910 essay, “The Future of Humankind,” links him to a pre-Darwinian idealist tradition that depicted the state as an organism that develops through life-cycle stages. For Oka, laissez-faire capitalism marked the moment when the state began to decline toward extinction due to the orthogenetic overdevelopment of hitherto subordinate individual egos. Because conservative bureaucrat-intellectuals had been drawing upon this same organicist-developmental tradition since the 1880s in an attempt to forestall the social ills of industrialism, Oka's call for statist measures, including eugenics, to lessen and delay the atomizing, enervating, and corrupting influence of capitalism articulated the political vision of officialdom. Statist evolutionism, not social Darwinism, might be the term that best describes Oka's approach.

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Rokhmansyah, Alfian, and Azizatur Rahma. "TRANSFORMASI TOKOH DALAM CERITA DEWI KEKAYI SEBAGAI HIPOGRAM CERPEN KEKAYI KARYA OKA RUSMINI (Character Transformation in the Dewi Kekayi Story as Hypogram of Short Story Kekayi by Oka Rusmini)." SAWERIGADING 25, no. 1 (June 30, 2019): 13. http://dx.doi.org/10.26499/sawer.v25i1.582.

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AbstractThis study aimed to describe the transformation of Dewi Kekayi story in the Ramayana epic into Kekayi (2017) by Oka Rusmini. This research used intertextual theory. Applying structural approach, this qualitative study described the transformation of each part of the story. Content analysis was employed to analyze the data. The results showed that the story of Dewi Kekayi in the Ramayana epic was made into a short story hypogram entitled Kekayi by Oka Rusmini through story transformation. In the transformation process, the author developed the original story (hypogram) into a new story by deconstructing the personality of Dewi Kekayi to Kekayi character in Kekayi short story. Deconstruction carried out by the author caused a contradiction between the character of Kekayi in the story of Dewi Kekayi and Kekayi short story.AbstrakPenelitian ini bertujuan untuk mendeskripsikan transformasi cerita Dewi Kekayi dalam epos Ramayana menjadi cerpen Kekayi (2017) karya Oka Rusmini. Teori intertekstual digunakan sebagai dasar dalam analisis. Metode penelitian yang digunakan adalah penelitian kualitatif dengan pendekatan struktural, mengingat fokus penelitian ini adalah mendeskripsikan transformasi bagian-bagian cerita. Analisis data menggunakan analisis konten. Hasil penelitian menunjukkan bahwa cerita Dewi Kekayi dalam epos Ramayana dijadikan hiprogram cerpen Kekayi oleh Oka Rusmini melalui transformasi cerita. Dalam proses transformasi, pengarang mengembangkan cerita asal (sebagai hipogram) di dalam cerita baru, yaitu dengan mendekonstruksikan kepribadian Dewi Kekayi menjadi tokoh Kekayi dalam cerpen Kekayi. Dekonstruksi yang dilakukan pengarang menyebabkan adanya kontradiksi sifat tokoh Kekayi dalam cerita Dewi Kekayi dan cerpen Kekayi.

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Дисертації з теми "Oka Theory"

Redekop, Vernon W. Neufeld. "A hermeneutic of deep-rooted conflict: An exploration of Rene Girard's theory of mimetic desire and scapegoating and its applicability to the Oka/Kanehsata:ke crisis of 1990." Thesis, University of Ottawa (Canada), 1998. http://hdl.handle.net/10393/4154.

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The hypothesis being tested has been that Rene Girard's theory of mimetic desire and scapegoating is a highly appropriate schema for understanding the dynamics of violence in deep-rooted conflict between identity groups. Chapter one explores a number of approaches to deep-rooted conflict. A variety of approaches to human identity needs are presented in order to flesh out the basic notion of identity-based conflict as a function of a threat to needs satisfiers. Other theoretical approaches are synthesized. Despite the heuristic potential of these different approaches, they do not adequately describe the dynamics by which these conflict are generated and violence is introduced. Chapter two presents Rene Girard's definitions of mimetic phenomena and many examples of mimetic desire, mimetic rivalry and mimetic doubling as Girard develops them within the domains of literature, anthropology and psychology. These examples draw out the inner dynamics of each type of violence. Chapter three is about the phenomenon of scapegoating, examining the classical structure of scapegoating with the stereotypic patterns Girard has synthesized. Examples are used to develop the characteristics of scapegoats and those who scapegoat. An interpretative narrative of the Oka/Kanehsata: ke crisis is presented chapter four as a test case for the usefulness of the new hermeneutic. This presentation recognizes the existence of a pre-contact aboriginal settlement of Kaneshsata: ke and traces the development of Oka and historical relationships between Mohawks and Eurocanadians from the arrival of the Sulpicians in the 1720s until the crisis. Beginning with the decision in 1989 to expand an existing golf course, events leading up to and during the crisis are described in detail. Of critical importance is the raid on the Pines on July 11, 1990, the event that sparked the crisis itself. Chapter five presents an interpretation of the crisis in terms of mimetic structures of violence. A large number of mimetic rivalries are presented along with examples of scapegoating. The power of mimetic structures of violence becomes particularly apparent as one enters into a very real deep-rooted conflict, raising two theological problems as the basis for a theological reflection in chapter six. First, how are these structures to be stood theologically---is it possible to develop an interface between this discourse and the discourse of theology? The second has to do with deliverance from these structures to something else. Regarding the first, insights of a number of theologians help to make the connections between mimetic structures of violence and discourse around victimization, sin, and Satan. The second issue introduces the concept of reconciliation. The reconciliation of deep-rooted conflicts is presented as the process of moving from mimetic structures of violence to mimetic structures of blessing. The conceptualisation of what might be entailed in reconciliation, from a theological perspective, is rooted in Christology. (Abstract shortened by UMI.)

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Redekop, Vernon Neufeld. "A hermeneutic of deep-rooted conflict, an exploration of René Girard's theory of mimetic desire and scapegoating and its applicability to the Oka/Kanehsatake crisis of 1990." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0009/NQ38795.pdf.

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Karlsson, Jesper. "The Oka-Weil Theorem." Thesis, Umeå universitet, Institutionen för matematik och matematisk statistik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-138760.

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We give a proof of the Oka-Weil theorem which states that on compact, polynomially convex subsets of Cn, holomorphic functions can be approximated uniformly by holomorphic polynomials.
Vi ger ett bevis av Oka-Weil sats som säger att på kompakta och polynomkonvexa delmängder av Cn kan holomorfa funktioner approximeras likformigt med holomorfa polynom.

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Drobík, Michal. "Is the Euro Area an Economic mistake? The OCA Theory Approach." Master's thesis, Vysoká škola ekonomická v Praze, 2012. http://www.nusl.cz/ntk/nusl-161849.

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The diploma thesis is aimed to apply the theoretical concept of optimum currency areas, i.e. probably the most comprehensive approach to analyze the suitability of establishing a currency area, to the real and currently difficulties solving environment of EMU states. The first, theoretical-methodological part shows the development of the OCA theory, as founded by Robert A. Mundell and expanded upon by further contributors and critics thereafter. This part focuses especially on defining the optimality criteria, which are then analyzed in the empirical-analytical section. In order to assess the level of optimality, which the euro area members have reached during the common currency existence period, concrete and empirical data are analyzed - data, showing the previous development of the selected indicators, describing the criteria fulfilling. In the final part of the thesis, the author considers the overall optimality rate of euro area and points out its consequences for the Czech Republic, as a candidate country. Furthermore, the entry-timing question is discussed as well, when finished by a two possible scenarios of our accession to EMU. In relation to this issue, the author also discusses the relevancy to assess the readiness for entering the euro area according to the parameters of Maastricht criteria.

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Jurák, Jan. "The European Economic and Monetary Union and the Theory of Optimum Currency Areas." Master's thesis, Vysoká škola ekonomická v Praze, 2007. http://www.nusl.cz/ntk/nusl-1181.

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Jurák, Jan. "The Europen Economic and Monetary Union, the Czech republic and the Theory of Optimum Currency Areas." Master's thesis, Vysoká škola ekonomická v Praze, 2006. http://www.nusl.cz/ntk/nusl-14314.

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Hammar, Henning. "Non-equilibrium dynamics ofa single spin in a tunnel junction." Thesis, Uppsala universitet, Materialteori, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-218821.

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Making spintronic devices is a hot topic for future technical development. In this work the non-equilibrium dynamics of a single spin in a tunnel junction is analyzed and numerically simulated. This is done in order to understand the dynamics of e.g. a magnetic molecule between two metal contacts for future spintronic devices. The work starts with looking at the system in a many-body theory picture in order to derive the interesting properties of the system. An initial solution for the system is analytically calculated as well as for the dynamic case. The dynamic has then been numerically simulated in order to get the time evolution of the system. The results showed that the dynamics of the molecular spin induced a spin dependent charge and spin currents in the system and that the currents could be used to control the molecular spin. It showed qualitatively how different parameters, for example coupling strength, effect the system and what to consider when designing a system similar to this.

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Pavez, Ignacio. "Enacting the Oak: A Theoretical and Empirical Understanding of Appreciative Organizing." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1481276844463336.

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Larsson, Frida, and Maria Kainulainen. ""Att inte alltid orka" : En grundad teori om högkänslighet och moderskap." Thesis, Mälardalens högskola, Akademin för hälsa, vård och välfärd, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-46202.

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Högkänslighet (HSP) är ett för vår tid relativt nytt begrepp som flera människor kommit att identifiera sig med. Intresseområdet för den här studien har varit högkänsliga mödrar och med hjälp av grundad teori som metodansats ämnade vi upptäcka högkänsliga mödrars huvudangelägenhet. Ämnet är aktuellt och knyter an till samhällets ökade behov av självkännedom och självförverkligande. Vår grundade teori belyser ett tidigare outforskat område inom vetenskapen vilket bidrar till en ökad förståelse och kunskap kring det högkänsliga moderskapet och vad det innebär för mödrarna själva. Tio intervjuer genomfördes med mödrar som identifierade sig själva som högkänsliga. Under studien formades en forskningsfråga som löd: hur gör högkänsliga mödrar för att orka vara närvarande i sina barns liv? Forskningsfrågan belyser mödrarnas huvudangelägenhet Att inte alltid orka. Studien resulterade i en grundad teori som beskriver hur mödrarna hanterar Att inte alltid orka genom kärnkategorin Anpassning och underkategorierna Avläsningsförmåga, Samhällelig kunskapslucka, Ökad självkännedom, Egentid och Ett annorlunda moderskap. Den grundade teori som genererats i den här studien har placerats inom ett teoretiskt ramverk bestående av narrativ teori för att ge en djupare förståelse inför de berättelser som mödrarna har delgett oss.

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Röhe, Oke [Verfasser], Jürgen [Akademischer Betreuer] Jerger, and David N. [Akademischer Betreuer] DeJong. "New Keynesian DSGE models: theory, empirical implementation, and specification / Oke Röhe. Betreuer: Jürgen Jerger ; David N. DeJong." Regensburg : Universitätsbibliothek Regensburg, 2012. http://d-nb.info/1026165547/34.

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Книги з теми "Oka Theory"

Santoalla, Ed L. Lessons in ODA: Theory and practice. Diliman, Quezon City, Philippines: Management and Orgnizational Development for Empowerment, 2001.

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Robin, Morgan. The word ofa woman: Feminist dispatches 1968-1992. New York: W.W. Norton, 1992.

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Ubezhishta na vi︠a︡rata: T︠s︡ŭrkvata i sŭborŭt v sŭchinenii︠a︡ta na Marsilio ot Padua i Uili︠a︡m ot Okam. Sofii︠a︡: Universitetsko izdatelstvo "Sv. Kliment Okhridski", 2010.

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Woolf, Virginia. Kendine ait bir oda. Istanbul: Afa, 1988.

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Schellhammer. The last aristocrats: The cutlers of Solingen and Sheffield in the nineteenth century and the theory ofa labor aristocracy. Ann Arbor: UMI, 1994.

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Ohsawa, Takeo. L² Approaches in Several Complex Variables: Towards the Oka-Cartan Theory with Precise Bounds. Springer, 2019.

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Ohsawa, Takeo. L² Approaches in Several Complex Variables: Towards the Oka–Cartan Theory with Precise Bounds. Springer, 2018.

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Ohsawa, Takeo. L² Approaches in Several Complex Variables: Development of Oka-Cartan Theory by L² Estimates for the d-bar Operator. Springer, 2015.

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Ohsawa, Takeo. L² Approaches in Several Complex Variables: Development of Oka-Cartan Theory by l² Estimates for the d-Bar Operator. Springer, 2015.

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Ohsawa, Takeo. L² Approaches in Several Complex Variables: Development of Oka–Cartan Theory by L² Estimates for the d-bar Operator. Springer, 2016.

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Частини книг з теми "Oka Theory"

Ohsawa, Takeo. "L2 Oka–Cartan Theory." In Springer Monographs in Mathematics, 115–64. Tokyo: Springer Japan, 2018. http://dx.doi.org/10.1007/978-4-431-56852-0_3.

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Ohsawa, Takeo. "L 2 Oka–Cartan Theory." In Springer Monographs in Mathematics, 93–125. Tokyo: Springer Japan, 2015. http://dx.doi.org/10.1007/978-4-431-55747-0_3.

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Forstnerič, Franc. "Elliptic Complex Geometry and Oka Theory." In Stein Manifolds and Holomorphic Mappings, 263–317. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61058-0_6.

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Forstnerič, Franc. "Applications of Oka Theory and Its Methods." In Stein Manifolds and Holomorphic Mappings, 353–402. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61058-0_8.

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Noguchi, Junjiro. "Holomorphically Convex Domains and the Oka–Cartan Fundamental Theorem." In Analytic Function Theory of Several Variables, 111–53. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0291-5_4.

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Jenkinson, A. J. "Okta Cyberattack." In Digital Blood on Their Hands, 81–86. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003323273-13.

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Gage, Nathaniel L. "The Desirability and Possibility ofa Theory of Teaching." In A Conception of Teaching, 11–40. Boston, MA: Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-09446-5_2.

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Sasaki, Akira, Rina Hayashi, Atsushi Ito, Yuko Hiramatsu, Kazutaka Ueda, Yasunari Harada, Hiroyuki Hatano, and Fumihiro Sato. "Evaluation of Sightseeing Support Application Using BLE Beacon in Oku-Nikko." In Computer Aided Systems Theory – EUROCAST 2019, 425–33. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45096-0_52.

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Waitz, Yoni, and Efrat Sheffer. "Dynamics of Mixed Pine–Oak Forests." In Pines and Their Mixed Forest Ecosystems in the Mediterranean Basin, 345–62. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63625-8_17.

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Kunrath, Tobias Leonardo, Mariana Paim Machado, and Daniel Pacheco Lacerda. "GOAL-OKR: A Framework for Strategic Focus Using Objectives & Key Results and Theory of Constraints." In Springer Proceedings in Mathematics & Statistics, 359–71. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-14763-0_28.

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Тези доповідей конференцій з теми "Oka Theory"

Butragueno, Belen, Javier FCO. Raposo, and Mariasun Salgado. "Practical Theorization vs Architectural Practice in OMA /AMO." In 2019 ACSA Teachers Conference. ACSA Press, 2019. http://dx.doi.org/10.35483/acsa.teach.2019.47.

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In the last years, there has been a disengagement between practicing architects and scholarship profiles. At present, there is a clear divergence between theory and practice in architecture. Theorization has been confined in Universities and Schools of Architecture, that have also abandoned the architectural practice or the practical research, in many cases due to a lack of resources. At the same time, studios working on architectural “production”, have not developed the necessary theoretical processes that could support their activity, as they are usually immersed in a frenetic activity allowing no remaining time for any kind of reflection on theoretical subjects. We can find many reasons for that disengagement, that has been largely accelerated in the last ten years by the global economic crisis, with serious consequences for our professional field and the academic sphere.

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Chernyshov, Mikhail. "FORESTRY PRINCIPLES AND LOGISTICS IN THE SPHERE OF REPRODUCTION OF OAK FORESTS IN THE CENTRAL BLACK EARTH." In Modern machines, equipment and IT solutions for industrial complex: theory and practice. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2021. http://dx.doi.org/10.34220/mmeitsic2021_144-149.

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The reproduction of forests is long-term. A complex and multifaceted silvicultural and technological process taking place in the conditions of disordered economic human activity and global warming. Reproduction of oak forests in the Central Black Earth Region, which are the cradle of Russian ship oak forests, has a regional specificity, which consists in the fact that in most forestries it is carried out mainly through artificial reforestation and sometimes combined. The reason is the complete absence of natural seed regeneration of oak under the canopy of mature and over-mature stands entering clear and selective sanitary felling.Even in narrow-cut and clear- cut areas, including those cultivated in accordance with the current requirements of the “Regulations for reforestation”, there is an intensive change of the main forest-forming species (pedunculate oak, common ash and Norway maple) to accompanying and less valuable (aspen, willow, birch , linden, hazel, etc.).On the basis of generalization of the long-term experience of the forestries of the region, logistics and silvicultural principles of sustainable-expanded, program- targeted and effective reproduction of oak forests are proposed and scientifically substantiated, without strict adherence to which, in practice, it is impossible to grow new durable high-quality, sustainable and highly productive oak forests with given target taxation characteristics. A step-by- step algorithm of sustainably expanded reproduction of oak forests of the future is considered. Prospects, ways and methods of high-quality and sustainably expanded reproduction of oak forests in the forestries of the Central Chernozem region have been determined.The prospects, ways and methods of high-quality and sustainably expanded reproduction of oak forests in the forestries of the Central Chernozem region have been determined. Controlled natural seed and artificial methods with the obligatory timely and high-quality agrotechnical and silvicultural maintenance, preventing the drowning of the pedunculate oak by other, faster-growing species, should become priority.

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Huang, Kun, and Chengwei Qiu. "Design roadmap and physical nature of super-oscillation theory in super-resolution imaging system." In JSAP-OSA Joint Symposia. Washington, D.C.: OSA, 2013. http://dx.doi.org/10.1364/jsap.2013.16a_d5_2.

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Mansour, Mohammad Zaki. "Nodal Aberration Theory and Its Applications." In CIOMP-OSA Summer Session on Optical Engineering, Design and Manufacturing. Washington, D.C.: OSA, 2013. http://dx.doi.org/10.1364/sumsession.2013.th7.

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Wang, Qian, He Chen, Yonghui Li, and Branka Vucetic. "Minimizing Age of Information via Hybrid NOMA/OMA." In 2020 IEEE International Symposium on Information Theory (ISIT). IEEE, 2020. http://dx.doi.org/10.1109/isit44484.2020.9174163.

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Lee-Morgan, Jenny, Kim Penetito, and Ngahuia Eruera. "Marae Ora, Kāinga Ora: A Marae-Led Response to Covid-19." In 2021 ITP Research Symposium. Unitec ePress, 2022. http://dx.doi.org/10.34074/proc.2205013.

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Marae Ora, Kāinga Ora (MOKO) is a marae-led community development and wellbeing research project. Lee-Morgan et al. (2021) explain this three-year research project, stating: “MOKO investigates the potential of five marae to strengthen their provision of kāinga (village, settlement) in the contemporary urban context of South Auckland” (p. 2). Using a Kaupapa Māori (KM) approach to Community Based Participatory Research (CBPR), this project explores the ancient Indigenous innovation of marae (both a spiritual and physical location with a socio-cultural setting for Māori to be immersed in a cultural context) and kāinga to understand and co-create new culturally based initiatives and support the activation of community development and wellbeing initiatives. While marae are highly valued by Māori communities as being critical to cultural sustainability and are recognised by government agencies as important community providers, there is a dearth of research about how contemporary urban marae operate and how they can work with, and for, communities (Kawharu, 2014; Tapsell, 2002; Thornley et al., 2015). The MOKO research aim is to enable marae to explore their potential role within their communities, to develop their own interpretation and opportunities for kāinga. These insights influence opportunities to partner with external agencies and services to achieve greater outcomes and collaborative advantages for whānau (family group) and community wellbeing, alongside marae. In brief, the MOKO project is focused on the intergenerational sustainability of the knowledge systems and replenishment of resources inherent within marae, our natural environment and kāinga ora.

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Zhang, Qingwei, Ioannis Neitzel, Vadym N. Mochalin, Isabel Knoke, David M. Wootton, Yury Gogotsi, Peter I. Lelkes, and Jack G. Zhou. "PLLA-Nanodiamond Composites and Their Application in Bone Tissue Engineering." In ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASMEDC, 2010. http://dx.doi.org/10.1115/nemb2010-13336.

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Nanodiamond (ND) is an attractive nanomaterial for reinforcement of polymers [1] due to the ND’s superior mechanical and chemical properties, and low biotoxicity. A novel composite material has been produced for bone scaffolds utilizing the biodegradable polymer, poly(L-lactic acid) (PLLA), and octadecylamine-functionalized nanodiamond (ND-ODA) [2]. Composites were prepared by admixing to a PLLA/chloroform solution chloroform suspensions of ND-ODA at concentrations of 0, 1, 3, 5, 7, and 10 (w/w). Dispersion of ND-ODA in the composites was studied by transmission electron microscopy (TEM). The lower-resolution TEM micrograph of 1% wt ND-ODA/PLLA film (Fig. 1a) shows nanodiamond particles dispersed in PLLA film on amorphous carbon support. Due to long hydrocarbon chains of ODA the ND-ODA particles have good wettability with the PLLA so there is no segregation of ND-ODA and PLLA, and the polymer completely surrounds the particles. The high-resolution TEM image (Fig. 1b) shows ND crystals with attached organic material that can be ODA or PLLA. Nanoindentation tests show that the mechanical strength of ND-ODA/PLLA composites improves upon addition of ND (Table 1). Even at low concentrations (1% wt) the ND-ODA increased the hardness of the composite by 60% and Young’s modulus by 20% over neat PLLA. Based on our preliminary observations, we conclude that further additions of ND-ODA resulted in smaller changes with subsequent saturation in the mechanical properties at ∼7% wt (see Table 1). ND is relatively novel nanomaterial. Establishing its biocompatibility requires further studies, especially for modified ND. We studied the biocompatibility of 5–10nm ND and ND-ODA in experiments with a murine osteoblast cell line (7F2, from ATCC). Incubation of a cultured osteoblasts with 1–100μg/ml of ND or ND-ODA particles for 4 hours did not show much influence on the cell viability (Fig. 2), as inferred from an alamarBlue™ assay. To test the feasibility of ND-ODA/PLLA as a matrix material supporting cell growth, osteoblasts were cultured on the composites for 6 days. The attactment and proliferation of 7F2 cells on the scaffolds were assessed, respectively, by fluorescent nuclear staining with Hoechst 33258 and the alamarBlueTM assay. Our results showed that the addition of ND-ODA had only a negligibly small effect on cell proliferation, which is indicative of good biocompatibility of the composites (Fig. 3). The morphology of 7F2 cells growing on all ND-ODA/PLLA composite scaffolds was assessed by SEM. The data (not shown) confirm that the osteoblasts spread on the scaffolds similar to their spreading on TCP (tissue culture plastic). To summarize, the improved mechanical properties of the PLLA/ND-ODA composites and their good biocompatibility suggest that these materials may be suitable for applications in musculoskeletal tissue engineering.

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Kang, Youngmin, Byun-Gon Kim, Kwan-Woong Kim, Hong Ik Lee, JiSeong Kim, and Yong K. Kim. "Implementation of the OTA Circuit Design for Gm-C Active Filter." In Interdisciplinary Research Theory and Technology 2016. Science & Engineering Research Support soCiety, 2016. http://dx.doi.org/10.14257/astl.2016.122.43.

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Yadav, Tushar Kumar, and Kunwar Singh. "Performance Optimization of OTA Using PSO Guided by Inversion Coefficient Theory." In 2019 International Conference on Information and Digital Technologies (IDT). IEEE, 2019. http://dx.doi.org/10.1109/dt.2019.8813351.

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Grasso, A. D., S. Pennisi, F. Centurelli, G. Scotti, and A. Trifiletti. "CMOS Miller OTA with Body-Biased Output Stage." In 2007 18th European Conference on Circuit Theory and Design (ECCTD '07). IEEE, 2007. http://dx.doi.org/10.1109/ecctd.2007.4529652.

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Звіти організацій з теми "Oka Theory"

Brown, Willie, and Jonathan Alt. Investigating the USACE Operational Condition Assessment process current and future. Engineer Research and Development Center (U.S.), March 2021. http://dx.doi.org/10.21079/11681/39999.

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The US Army Corps of Engineers operates, maintains, and manages more than $232 billion worth of the Nation’s water resource infrastructure and relies on the Operational Condition Assessment (OCA) process to determine the condition of the assets and their components. The sheer number of components, all of equal OCA scheduling priority, creates challenges in ensuring that assessments are conducted in a timely manner and that data generated are of sufficient quality to inform resource allocation decisions. This research applied methods from systems design to determine the OCA system “as-is” state and create a stakeholder-informed vision of a “to-be” state that addresses current system challenges. To meet its objective of providing current assessments of asset condition, the OCA system must provide four high-level functions: provide access to asset data, conduct assessments, determine asset risk, and prioritize and schedule assessments. The development of capabilities to provide these functions will facilitate the achievement of the OCA system to-be vision: a consistent view of asset condition and risk across the enterprise.

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Perkins, Dustin. Invasive exotic plant monitoring in Capitol Reef National Park: 2020 and 2021 field seasons. National Park Service, August 2022. http://dx.doi.org/10.36967/2294094.

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Invasive exotic plant (IEP) species are a significant threat to natural ecosystem integrity and biodiversity. Controlling them is a high priority for the National Park Service. The Northern Colorado Plateau Network (NCPN) selected the early detection of IEPs as one of 11 moni-toring protocols to be implemented as part of its long-term monitoring program. From June 5 to July 29, 2020, and May 30 to June 2, 2021, network staff conducted surveys for priority IEP species along the Oak Creek, Pleasant Creek, and State Route 24 monitoring routes at Capitol Reef National Park. We detected 834 patches of 11 priority IEP species along 67.9 kilometers (42.2 miles) of three monitoring routes. There were more patches of tamarisk along State Route 24, and a higher percentage of large patches, than in previous years. This indicates that previously identified IEP patches have expanded and grown. Field bindweed (Convolvulus arvensis) and Russian olive (Elaeagnus angustifolia) along State Route 24 have both increased in prevalence since monitoring began. Tamarisk (Tamarix sp.) was the most prevalent prior-ity IEP species on all three routes. On Oak and Pleasant creeks, there were fewer than three patches of all other IEPs. On State Route 24, there were 30 or more patches of Russian olive, quackgrass (Elymus repens), field bindweed, and blue mustard (Chorispora tenella). IEP prior-ity species were found on 71%, 47%, and 62% of transects along Oak Creek, Pleasant Creek, and State Route 24, respectively. Yellow sweet-clover (Melilotus officinalis) was the most fre-quently observed IEP on Oak Creek and Pleasant Creek. Percent cover was highest for yellow sweet-clover, Russian thistle (Salsola sp.), and tamarisk on Oak Creek, Pleasant Creek, and State Route 24, respectively. The NCPN plans to return to Capitol Reef in 2023 to continue the fourth rotation of invasive plant monitoring.

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Li, Chan, Becky Miller, and Mohamed Hamed. Library Impact Research Report: Open Access Publishing: A Study of UC Berkeley Faculty Views and Practices. Association of Research Libraries, January 2023. http://dx.doi.org/10.29242/report.ucberkeley2023.

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As part of ARL’s Research Library Impact Framework initiative, a team at the University of California (UC) Berkeley Library studied the relationship between faculty’s attitudes toward open access (OA) and their OA publishing practices, including the roles of funding availability and discipline. The project team compared UC Berkeley faculty’s answers to questions related to OA from the 2018 Ithaka S+R Faculty Survey with the faculty’s scholarly output in the Scopus database. The study focused on gold OA articles, which usually require authors to pay article processing charges (APCs) and which accounted for 18% of the publications in the sample. Overall, the UC Berkeley study found a positive correlation between publishing gold OA and the faculty’s support for OA (no cost to read). In contrast, the correlation between publishing gold OA and the faculty’s concern about publishing cost was weak. Publishing costs concerned faculty in all subject areas, whether or not their articles reported research funding. Thus, UC Berkeley Library’s efforts to pursue transformative publishing agreements and prioritize funding for a program subsidizing publishing fees seem like effective strategies to increase OA.

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Williams, P. T., T. L. Dickson, and S. Yin. Fracture Analysis of Vessels. Oak Ridge FAVOR, v06.1, Computer Code: Theory and Implementation of Algorithms, Methods, and Correlations. Office of Scientific and Technical Information (OSTI), December 2007. http://dx.doi.org/10.2172/1154649.

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Blum, Abraham, and Henry T. Nguyen. Molecular Tagging of Drought Resistance in Wheat: Osmotic Adjustment and Plant Productivity. United States Department of Agriculture, November 2002. http://dx.doi.org/10.32747/2002.7580672.bard.

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Drought stress is a major limitation to bread wheat (Triticumaestivum L.) productivity and its yield stability in arid and semi-arid regions of world including parts of Israel and the U.S. Currently, breeding for sustained yields under drought stress is totally dependent on the use of yield and several key physiological attributes as selection indices. The attempt to identify the optimal genotype by evaluating the phenotype is undermining progress in such breeding programs. Osmotic adjustment (OA) is an effective drought resistance mechanism in many crop plants. Evidence exists that there is a genetic variation for OA in wheat and that high OA capacity supports wheat yields under drought stress. The major objective of this research was to identify molecular markers (RFLPs, restriction fragment length polymorphisms; and AFLPs, amplified fragment length polymorph isms) linked to OA as a major attribute of drought resistance in wheat and thus to facilitate marker-assisted selection for drought resistance. We identified high and low OA lines of wheat and from their cross developed recombinant inbred lines (RILs) used in the molecular tagging of OA in relation to drought resistance in terms of plant production under stress. The significant positive co-segregation of OA, plant water status and yield under stress in this RIL population provided strong support for the important role of OA as a drought resistance mechanism sustaining wheat production under drought stress. This evidence was obtained in addition to the initial study of parental materials for constructing this RIL population, which also gave evidence for a strong correlation between OA and grain yield under stress. This research therefore provides conclusive evidence on the important role of OA in sustaining wheat yield under drought stress. The measurement of OA is difficult and the selection for drought resistance by the phenotypic expression of OA is practically impossible. This research provided information on the genetic basis of OA in wheat in relations to yield under stress. It provided the basic information to indicate that molecular marker assisted selection for OA in wheat is possible. The RIL population has been created by a cross between two agronomic spring wheat lines and the high OA recombinants in this population presented very high OA values, not commonly observed in wheat. These recombinants are therefore an immediate valuable genetic recourse for breeding well-adapted drought resistant wheat in Texas and Israel. We feel that this work taken as a whole eliminate the few previous speculated . doubts about the practical role of OA as an important mechanism of drought resistance in economic crop plants. As such it should open the way, in terms of both concept and the use of marker assisted selection, for improving drought resistance in wheat by deploying high osmotic adjustment.

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Wright, Kirsten. Collecting Plant Phenology Data In Imperiled Oregon White Oak Ecosystems: Analysis and Recommendations for Metro. Portland State University, March 2020. http://dx.doi.org/10.15760/mem.64.

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Highly imperiled Oregon white oak ecosystems are a regional conservation priority of numerous organizations, including Oregon Metro, a regional government serving over one million people in the Portland area. Previously dominant systems in the Pacific Northwest, upland prairie and oak woodlands are now experiencing significant threat, with only 2% remaining in the Willamette Valley in small fragments (Hulse et al. 2002). These fragments are of high conservation value because of the rich biodiversity they support, including rare and endemic species, such as Delphinium leucophaeum (Oregon Department of Agriculture, 2020). Since 2010, Metro scientists and volunteers have collected phenology data on approximately 140 species of forbs and graminoids in regional oak prairie and woodlands. Phenology is the study of life-stage events in plants and animals, such as budbreak and senescence in flowering plants, and widely acknowledged as a sensitive indicator of environmental change (Parmesan 2007). Indeed, shifts in plant phenology have been observed over the last few decades as a result of climate change (Parmesan 2006). In oak systems, these changes have profound implications for plant community composition and diversity, as well as trophic interactions and general ecosystem function (Willis 2008). While the original intent of Metro’s phenology data-collection was to track long-term phenology trends, limitations in data collection methods have made such analysis difficult. Rather, these data are currently used to inform seasonal management decisions on Metro properties, such as when to collect seed for propagation and when to spray herbicide to control invasive species. Metro is now interested in fine-tuning their data-collection methods to better capture long-term phenology trends to guide future conservation strategies. Addressing the regional and global conservation issues of our time will require unprecedented collaboration. Phenology data collected on Metro properties is not only an important asset for Metro’s conservation plan, but holds potential to support broader research on a larger scale. As a leader in urban conservation, Metro is poised to make a meaningful scientific contribution by sharing phenology data with regional and national organizations. Data-sharing will benefit the common goal of conservation and create avenues for collaboration with other scientists and conservation practitioners (Rosemartin 2013). In order to support Metro’s ongoing conservation efforts in Oregon white oak systems, I have implemented a three-part master’s project. Part one of the project examines Metro’s previously collected phenology data, providing descriptive statistics and assessing the strengths and weaknesses of the methods by which the data were collected. Part two makes recommendations for improving future phenology data-collection methods, and includes recommendations for datasharing with regional and national organizations. Part three is a collection of scientific vouchers documenting key plant species in varying phases of phenology for Metro’s teaching herbarium. The purpose of these vouchers is to provide a visual tool for Metro staff and volunteers who rely on plant identification to carry out aspects of their job in plant conservation. Each component of this project addresses specific aspects of Metro’s conservation program, from day-to-day management concerns to long-term scientific inquiry.

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Dickson, Chelsee, and Christina Holm. Open Access Publishing Biases OER. Digital Commons@Kennesaw State University, August 2022. http://dx.doi.org/10.32727/27.2022.2.

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Academic publishing processes are shaped by the ways in which scholars within the field review and evaluate the work of their peers. In an ideal world, these methods would simply promote the publication of the best forms of research without prejudice or subjectivity. In reality, issues such as Knobloch-Westerwick, Glynn, and Huge’s Matilda effect, Merton’s Matthew effect, Blank’s institution bias, and Robert’s and Verhoef’s gender bias shape the ways that scholarly inquiry are evaluated. Knowing that the peer review process can introduce issues of bias, what then of other aspects of the publishing cycle? For example, what of the subvention funding provided by some institutions to support their faculty in pursuing dissemination of research in Open Access (OA) journals? This Open Educational Resource (OER) will present an overview of the OA landscape and provide learners with tools to develop their own inquiries into the inequities present within the OA publishing industry. All assignments include suggested grading rubrics and build upon one another in a cumulative manner.

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Avis, William. Funding Mechanisms to Local CSOs. Institute of Development Studies, May 2022. http://dx.doi.org/10.19088/k4d.2022.089.

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Civil society can be broadly defined as the area outside the family, market and state. As such, civil society encompasses a spectrum of actors with a wide range of purposes, constituencies, structures, degrees of organisation, functions, size, resource levels, cultural contexts, ideologies, membership, geographical coverage, strategies and approaches.This rapid literature review collates available literature on funding mechanisms and barriers to local CSOs gaining access to funding and the extent to which funding leads towards organisational development and sustainability. Broadly, it is asserted that in terms of funding, local CSOs often struggle to secure funding equivalent to that of INGOs and their local representatives. Kleibl & Munck (2017) reflect that indigenous non-state actors do not receive large shares of development funding. For example, only 10% of the total funding for US-funded health projects in Uganda was allocated to indigenous non-state actors.Given the diversity of CSOs and the variety of contexts, sectors they work in and the services they supply, it is challenging to summarise funding mechanisms available to local CSOs and the barriers to accessing these. Recent analyses of CSO funding report that while the total CSO funding in many contexts has continued to increase in absolute terms since 2015, its relative importance (as a share of total Overseas Development Assistance) has been decreasing (Verbrugge and Huyse, 2018). They continued that ODA funding channelled through CSOs (i.e., funding that is programmed by the donor government) remains far more important in volumes than ODA channelled directly to CSOs (which is programmed by CSOs themselves).The literature identifies three principal mechanisms by which donors provide financial support to civil society actors: a) Direct support to individual or umbrella organisations; b) Via Southern government; c) Via Intermediaries – largely Northern NGOs.

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Boisclair, Yves R., and Arieh Gertler. Development and Use of Leptin Receptor Antagonists to Increase Appetite and Adaptive Metabolism in Ruminants. United States Department of Agriculture, January 2012. http://dx.doi.org/10.32747/2012.7697120.bard.

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Objectives The original project had 2 major objectives: (1) To determine the effects of centrally administered leptin antagonist on appetite and adaptive metabolism in the sheep; (2) To develop and prepare second-generation leptin antagonists combining high binding affinity and prolonged in vivo half-life. Background Periods of suboptimal nutrition or exaggerated metabolic activity demands lead to a state of chronic energy insufficiency. Ruminants remain productive for a surprisingly long period of time under these circumstances by evoking adaptations sparing available energy and nutrients. The mechanism driving these adaptations in ruminant remains unknown, but could involve a reduction in plasma leptin, a hormone acting predominantly in the brain. In laboratory animals, reduced leptin signaling promotes survival during nutritional insufficiency by triggering energy sparing adaptations such as reduced thyroid hormone production and insulin resistance. Our overall hypothesis is that similar adaptations are triggered by reduced leptin signaling in the brain of ruminants. Testing of this hypothesis in ruminants has not been possible due to inability to block the actions of endogenous leptin and access to ruminant models where leptin antagonistic therapy is feasible and effective. Major achievements and conclusions The Israeli team had previously mutated 3 residues in ovine leptin, with no effect on receptor binding. This mutant was renamed ovine leptin antagonist (OLA) because it cannot activate signaling and therefore antagonizes the ability of wild type leptin to activate its receptor. To transform OLA into an effective in vivo antagonist, the Israeli made 2 important technical advances. First, it incorporated an additional mutation into OLA, increasing its binding affinity and thus transforming it into a super ovine leptin antagonist (SOLA). Second, the Israeli team developed a method whereby polyethylene glycol is covalently attached to SOLA (PEG-SOLA) with the goal of extending its half-life in vivo. The US team used OLA and PEG-SOLA in 2 separate animal models. First, OLA was chronically administered directly into the brain of mature sheep via a cannula implanted into the 3rdcerebroventricule. Unexpectedly, OLA had no effect of voluntary feed intake or various indicators of peripheral insulin action but reduced the plasma concentration of thyroid hormones. Second, the US team tested the effect of peripheral PEG-SOLA administration in an energy sensitive, rapidly growing lamb model. PEG-SOLA was administered for 14 consecutive days after birth or for 5 consecutive days before sacrifice on day 40 of life. Plasma PEG-SOLA had a half-life of over 16 h and circulated in 225- to 288-fold excess over endogenous leptin. PEG-SOLA administration reduced plasma thyroid hormones and resulted in a higher fat content in the carcass at slaughter, but had no effects on feed intake, body weight, plasma glucose or insulin. These results show that the team succeeded in developing a leptin antagonist with a long in vivo half-life. Moreover, in vivo results show that reduced leptin signaling promotes energy sparing in ruminants by repressing thyroid hormone production. Scientific and agricultural implications The physiological role of leptin in ruminants has been difficult to resolve because peripheral administration of wild type leptin causes little effects. Our work with leptin antagonists show for the first time in ruminants that reduced leptin signaling induces energy sparing mechanisms involving thyroid hormone production with little effect on peripheral insulin action. Additional work is needed to develop even more potent leptin antagonists, to establish optimal administration protocols and to narrow down phases of the ruminant life cycle when their use will improve productivity.

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Alt, Jonathan, Willie Brown, George Gallarno, and John Richards. Risk-based prioritization of operational condition assessments : stakeholder analysis and literature review. Engineer Research and Development Center (U.S.), March 2021. http://dx.doi.org/10.21079/11681/40162.

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The US Army Corps of Engineers (USACE) operates, maintains, and manages more than $232 billion worth of the Nation’s water resource infrastructure. Using the Operational Condition Assessment (OCA) system, the USACE allocates limited resources to assess conditions and maintain assets in efforts to minimize risks associated with asset performance degradation. Currently, OCAs are conducted on each component within a facility every 5 years, regardless of the component’s risk contribution. The analysis of risks associated with Flood Risk Management (FRM) facilities, such as dams, includes considering how the facility contributes to its associated FRM watershed system, understanding the consequences of degradation in the facility’s performance, and calculating the likelihood that the facility will perform as expected given the current OCA condition ratings of critical components. This research will develop a scalable methodology to model the probability of failure of components and systems that contribute to the performance of facilities in their respective FRM systems combined with consequences derived from hydrological models of the watershed to develop facility risk scores. This interim report documents the results of the first phase of this effort, stakeholder analysis and literature review, to identify candidate approaches to determine the probability of failure of a facility.

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