Relevant bibliographies by topics / Geometric analysi

Academic literature on the topic 'Geometric analysi'

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Published: 9 March 2023
Last updated: 10 March 2023

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Journal articles on the topic "Geometric analysi"

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Kosić, Boris, Miša Stojićević, Zorana Jeli, Branislav Pokonstantinović, Alina Duta, and Aleksandra Dragičević. "3D analysis of different metamaterial geometry and simulation of metamaterial usage." FME Transactions 47, no. 2 (2019): 349–54. http://dx.doi.org/10.5937/fmet1902349k.

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Lestari, Dinar Dwi Putri, Mega Teguh Budiarto, and Agung Lukito. "Analisis Kemampuan Spatial Visualization Siswa Sekolah Dasar dalam Pemecahan Masalah Geometri: Ditinjau dari Kemampuan Matematika Tingkat Tinggi." ELSE (Elementary School Education Journal) : Jurnal Pendidikan dan Pembelajaran Sekolah Dasar 5, no. 1 (February 16, 2021): 55. http://dx.doi.org/10.30651/else.v5i1.7371.

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Abstrak: Kemampuan spasial sangat berkaitan erat dengan geometri. Kemampuan spasial mendukung pemahaman tentang dunia geometris. Penelitian ini bertujuan untuk mendeskripsikan profil kemampuan spasial siswa SD khususnya spatial visualization dengan kemampuan matematika tinggi dalam memecahkan masalah geometri. Subjek dalam penelitian ini adalah siswa kelas 6 SD. Hasil penelitian yang berpendekatan kualitatif ini menggunakan indikator kemampuan spasial yang diadaptasi dari penelitian Lawrie, et al. (2016) dilaksanakan dengan mengggunakan metode triangulasi waktu yakni membandingkan hasil tes dari siswa beserta wawancaranya dengan hasil tes yang setara beserta wawancaranya pada waktu yang berbeda. Hasil penelitian ini menunjukkan bahwa siswa kemampuan tinggi mempunyai kemampuan spatial visualization yang berbeda dalam menyelesaikan tugas pemecahan masalah geometri.Kata Kunci: Kemampuan Spasial, Spatial Visualization, Geometri Sekolah Dasar, Matematika SD Abstract: Spatial ability is closely related to geometry. Spatial abilities support understanding of the geometric world. This study aims to describe the profile of elementary school students' spatial abilities, especially spatial visualization, with high mathematical skills in solving geometric problems. The subjects in this study were students of grade VI SD. The results of this research using a qualitative approach using spatial ability indicators adapted from Lawrie's research were carried out by using the time triangulation method, namely comparing test results from students and their interviews with test results that were equivalent to tests and interviews at different times. The results of this study indicate that high ability students have different spatial visualization abilities in solving geometry problem solving tasks.Keywords: Spatial Ability, Spatial Visualization, Elementary School Geometry, Elementary Mathematics
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Gong, Wenjuan, Bin Zhang, Chaoqi Wang, Hanbing Yue, Chuantao Li, Linjie Xing, Yu Qiao, Weishan Zhang, and Faming Gong. "A Literature Review: Geometric Methods and Their Applications in Human-Related Analysis." Sensors 19, no. 12 (June 23, 2019): 2809. http://dx.doi.org/10.3390/s19122809.

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Geometric features, such as the topological and manifold properties, are utilized to extract geometric properties. Geometric methods that exploit the applications of geometrics, e.g., geometric features, are widely used in computer graphics and computer vision problems. This review presents a literature review on geometric concepts, geometric methods, and their applications in human-related analysis, e.g., human shape analysis, human pose analysis, and human action analysis. This review proposes to categorize geometric methods based on the scope of the geometric properties that are extracted: object-oriented geometric methods, feature-oriented geometric methods, and routine-based geometric methods. Considering the broad applications of deep learning methods, this review also studies geometric deep learning, which has recently become a popular topic of research. Validation datasets are collected, and method performances are collected and compared. Finally, research trends and possible research topics are discussed.
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Utomo, Puji Dwi, Thomas Sukardi, and Sudji Munadi. "Analisis Kualitas Geometris Hasil Praktik Pemesinan Bubut Siswa SMK Jurusan Teknik Pemesinan." JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN 2, no. 1 (April 1, 2017): 1. http://dx.doi.org/10.21831/dinamika.v2i1.13509.

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This study aims to determine the geometric quality of lathe machining product and what causes the low geometric quality of the lathe machining practices. This research is a descriptive study using a quantitative approach. Data were obtained by documentation and direct observation of the studied object, and then were processed using descriptive statistical analysis. Results show that the average value of the geometric quality of lathe machining products was relatively low, amounted to 67.14. The aspects that caused deficiencies and low geometric quality are, among others, incorrect spindle speed, incorrect feeds, incorrect depth of cuts, improper use of measuring tools, and lack of awareness ofthe Occupational Safety and Health equipment.Penelitian ini bertujuan untuk mengetahui kualitas geometris produk hasil praktik pemesinan bubut dan penyebab rendahnya kualitas geometris hasil praktik pemesinan bubut. Penelitian ini merupakan jenis penelitian deskriptif dengan menggunakan pendekatan kuantitatif. Data penelitian diperoleh dengan menggunakan dokumentasi dan pengamatan langsung pada obyek yang diteliti kemudian diolah menggunakan analisis statistik deskriptif. Hasil penelitian menunjukkan bahwa rata – rata nilai kualitas geometris hasil praktik pemesinan bubut siswa tergolong rendah yakni sebesar 67,14 serta aspek-aspek yang menjadi penyebab kekurangan dan kelemahan kualitas geometris diantaranya meliputi, kesalahan dalam menentukan putaran mesin, kesalahan dalam menentukan kecepatan gerak pemakanan, tidak tepatnya pengaturan kedalaman pemakanan, kesalahan dalam menggunakan alat ukur serta kurangnya kesadaran akan pentingnya penggunaan perlengkapan K3.
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Abdullah, Ahmad, and Amin Rahmawati. "Eksplorasi Etnomatematika Pada Batik Kayu Krebet Bantul." UNION: Jurnal Ilmiah Pendidikan Matematika 9, no. 2 (July 30, 2021): 163–72. http://dx.doi.org/10.30738/union.v9i2.9531.

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ABSTRAK Batik merupakan warisan budaya dunia yang dimiliki oleh Indonesia. Di dusun Krebet, Sendangsari, Pajangan, Bantul, Batik dilukis pada kayu atau dikenal dengan Batik Kayu. Batik Kayu ini menghiasai peralatan rumah tangga. Keberadaan batik kayu Krebet ini belum termanfaatkan secara maksimal dalam pembelajaran sains khususnya matematika. Padahal banyak sekali konsep-konsep matematika yang terkandung di dalamnya. Penelitian ini bertujuan mengeksplorasi konsep-konsep matematika pada Batik kayu khususnya materi geometri. Dalam penelitian ini, peneliti menggunakan penelitian eksploratif dengan pendekatan etnografi. Instrumen dalam penelitian ini yaitu human instrumen, di mana peneliti berhubungan langsung dengan penelitian serta berperan sebagai pengumpul data melalui observasi, pengumpulan data pustaka, dokumentasi, dan wawancara. Teknik analisis data dilakukan dengan analisis domain dan taksonomi. Hasil Penelitian menunjukkan bahwa batik kayu Krebet mengandung konsep-konsep geometri yang meliputi konsep garis dan sudut, segi empat dan segitiga, lingkaran, bangun ruang sisi datar dan sisi lengkung, kesebangunan dan kekongruenan, dan transformasi geometri. ABSTRACTBatik is a world cultural heritage owned by Indonesia. In Krebet village, Sendangsari, Pajangan, Bantul, Batik is painted on wood or known as wooden batik. This wooden batik decorates household appliances. Wooden batik of Krebet has not been maximally utilized in learning science, especially mathematics. Even though there are many mathematical concepts contained in it. This study aims to explore mathematical concepts in wooden batik, especially geometric materials. In this study, researchers used exploratory research with an ethnographic approach. The instrument in this research is the human instrument, where the researcher is directly related to the research and acts as a data collector through observation, library data collection, documentation, and interviews. Data analysis techniques are carried out by domain and taxonomic analysis. The results showed that wooden batik of Krebet contains geometric concepts including the concepts of lines and angles, rectangles and triangles, circles, solid geometry, congruence, and geometric transformation
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Pinus, A. G. "Geometric and conditional geometric equivalences of algebras." Algebra and Logic 51, no. 6 (January 2013): 507–10. http://dx.doi.org/10.1007/s10469-013-9210-4.

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Karthi, R. R., B. Tamilarasu, and S. Mukesh K. M. Naveen Kumar. "Geometric Modeling, Design and Analysis of Custom-Engineered Milling Cutters." International Journal of Trend in Scientific Research and Development Volume-2, Issue-3 (April 30, 2018): 543–50. http://dx.doi.org/10.31142/ijtsrd10986.

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Mostajeran, Cyrus, Christian Grussler, and Rodolphe Sepulchre. "Geometric Matrix Midranges." SIAM Journal on Matrix Analysis and Applications 41, no. 3 (January 2020): 1347–68. http://dx.doi.org/10.1137/19m1273475.

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Handayani, Safarinda, and Dian Permatasari. "Analysis of students’ anxiety based on Van Hiele’s levels in solving geometry problems." Beta: Jurnal Tadris Matematika 15, no. 2 (December 31, 2022): 135–50. http://dx.doi.org/10.20414/betajtm.v15i2.551.

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[English]: Mathematics anxiety emerges due to discomfort when dealing with mathematical problems, including problems in geometry. This qualitative research aims to analyze how students' anxiety in solving the problems referring to Van Hiele’s levels. The participants were sixty grade 7 students. Data was collected through a test, questionnaire, observations, and semi-structured interviews. It was then analyzed following the stages of condensation, presentation, and drawing and verifying conclusions. The research found that students at the visualization level have moderate anxiety and panic levels, students at the analysis level have moderate anxiety, and students with informal deduction levels have low anxiety. The high level of students' geometric thinking does not necessarily result in lower anxiety or vice versa. Math anxiety is able to encourage students, but at a certain level, it could be detrimental to students. [Bahasa]: Kecemasan matematika timbul salah satunya karena rasa tidak nyaman ketika berhadapan dengan masalah matematika termasuk dalam menyelesaikan masalah geometri. Penelitian kualitatif ini bertujuan untuk menganalisis kecemasan siswa dalam menyelesaikan soal geometri ditinjau dari level Van Hiele. Enam puluh siswa SMP kelas 7 dilibatkan dalam penelitian. Data penelitian dikumpulkan melalui tes, angket, observasi, dan wawancara semi terstruktur. Analisis data dilakukan melalui tiga tahap yaitu kondensasi data, penyajian data, serta penarikan dan verifikasi kesimpulan. Hasil penelitian menunjukkan bahwa siswa yang berada di level visualisasi memiliki tingkat kecemasan sedang dan panik, siswa pada level analisis memiliki kecemasan sedang, dan siswa pada level deduksi informal memiliki kecemasan rendah. Tingginya tingkat berpikir geometris siswa belum tentu mengakibatkan kecemasan yang rendah atau sebaliknya. Kecemasan matematika dapat mendukung siswa, akan tetapi pada tingkat kecemasan tertentu, dapat merugikan siswa.
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Yasbiati, Yasbiati, and Titi Nurhayati. "PENINGKATAN KEMAMPUAN MENGENAL BENTUK GEOMTETRI MELALUI MEDIA COLOUR GEOMETRY BOOK (Penelitian Tindakan Kelas pada Kelompok A TK Al-Abror Kecamatan Mangkubumi Kota Tasikmalaya Tahun 2016/2017)." JURNAL PAUD AGAPEDIA 2, no. 1 (May 2, 2020): 23–35. http://dx.doi.org/10.17509/jpa.v2i1.24385.

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ABSTRACTThe purpose of this research is to increase the ability to recognize geometry shape through Color Geometry Book media in the children of Group A in Al-Abror Kindergarten of Mangkubumi Sub-district of Tasikmalaya City. The forms of geometry that are introduced are circle, triangle, square, and rectangle. The type of research used is classroom action research, conducted in collaboration with classroom teachers. Sunjek research as many as 13 children, consisting of 5 men and 8 women. The object of this research is the ability to recognize geometry form through Color Geometry Book media. Techniques of data collection using obserbasi and documentation. The research instrument uses check list observation sheet and documentation. Data analysis technique used descriptive analysis and quantitative analysis. The indicator of success in this study is if at least 75% of all children are able to achieve the criteria of Growing Up Expectations (BSH) on each indicator. The results showed that the ability to recognize geometric shapes seen from indicators of the ability to mention geometric shapes, to show geometric shapes, to group geometric shapes, and to draw geometric shapes. Increasing the ability of children to recognize geometry shape through Color Geometry Book media in the implementation of Pre action on indicator ability mentioned 84.61% (BB) 15.39% (MB), then in Cycle III increased to 30.77% (BSH) 69.23 % (BSB), ability to show on Pre action implementation 92.31% (BB) 7.69% (MB) Cycle III increased to 7.69% (MB) 23.08% (BSH) 69.23% (BSB) Ability to classify Pre action implementation 23.08% (MB) 7.69% (BSH) 69.23% (BSB) Cycle III increased to 100% (BSB), while the ability to draw Pre action 92.31% (BB) shape 7, 69% (MB), Cycle III increased to 15.38% (MB) 30.77% (BSH) and 53.85% (BSB). Tujuan pelaksanaan penelitian ini adalah untuk meningkatkan kemampuan mengenal bentuk geometri melalui media Colour Geometry Book pada anak Kelompok A di TK Al- Abror Kecamatan Mangkubumi Kota Tasikmalaya. Bentuk geometri yang dikenalkan adalah lingkaran, segitiga, persegi, dan persegi panjang. Jenis penelitian yang digunakan adalah penelitian tindakan kelas, dilakukan bekerjasama dengan guru kelas. Sunjek penelitian sebanyak 13 anak, yang terdiri dari 5 laki-laki dan 8 perempuan. Objek penelitian ini adalah kemampuan mengenal bentuk geometri melalui media Colour Geometry Book. Teknik pengumpulan data menggunakan obserbasi dan dokumentasi. Instrumen penelitian menggunakan lembar observasi check list dan dokumentasi. Teknik analisis data menggunakan analisis deskriptif dan analisis kuantitatif. Indikator keberhasilan dalam penelitian ini adalah jika minimal 75% dari seluruh anak mampu mencapai kriteria Berkembang Sesuai Harapan (BSH) pada setiap indikatornya. Hasil penelitian menunjukan adanya peingkatan kemampuan mengenal bentuk geometri yang terlihat dari indikator kemampuan menyebutkan bentuk-bentuk geometri, menunjukan bentuk- bentuk geometri, mengelompokkan bentuk-bentuk geometri, dan menggambar bentuk-bentuk geometri. Peningkatan kemampuan anak dalam mengenal bentuk geometri melalui mediai Colour Geometry Book dalam pelaksanaan Pratindakan pada indikator kemampuan menyebutkan 84,61% (BB)15,39% (MB), kemudian pada Siklus III meningkat menjadi 30,77% (BSH) 69,23% (BSB), kemampuan menunjukan pada pelaksanaan Pratindakan 92,31% (BB) 7,69% (MB) Siklus III meningkat menjadi 7,69% (MB) 23,08% (BSH) 69,23% (BSB), kemampuan mengelompokkan pelaksanaan Pratindakan 23,08% (MB) 7,69% (BSH) 69,23% (BSB) Siklus III meningkat menjadi 100% (BSB), sedangkan kemampuan menggambar bentuk geometri Pratindakan 92,31% (BB) 7,69% (MB) ,Siklus III meningkat menjadi 15,38 % (MB) 30,77 % (BSH) dan 53,85 % (BSB).
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Dissertations / Theses on the topic "Geometric analysi"

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SOAVE, NICOLA. "Variational and geometric methods for nonlinear differential equations." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/49889.

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This thesis is devoted to the study of several problems arising in the field of nonlinear analysis. The work is divided in two parts: the first one concerns existence of oscillating solutions, in a suitable sense, for some nonlinear ODEs and PDEs, while the second one regards the study of qualitative properties, such as monotonicity and symmetry, for solutions to some elliptic problems in unbounded domains. Although the topics faced in this work can appear far away one from the other, the techniques employed in different chapters share several common features. In the firts part, the variational structure of the considered problems plays an essential role, and in particular we obtain existence of oscillating solutions by means of non-standard versions of the Nehari's method and of the Seifert's broken geodesics argument. In the second part, classical tools of geometric analysis, such as the moving planes method and the application of Liouville-type theorems, are used to prove 1-dimensional symmetry of solutions in different situations.
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Karlsson, Jesper. "Symplectic Automorphisms of C2n." Thesis, Umeå universitet, Institutionen för matematik och matematisk statistik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-144390.

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This essay is a detailed survey of an article from 1996 published by Franc Forstneric, where he studies symplectic automorphisms of C2n. The vision is to introduce the density property for holomorphic symplectic manifolds. Our idea is that of Dror Varolin when he in 2001 introduced the concept of density property for Stein manifolds. The main result here is the introduction of symplectic shears on C2n equipped with a holomorphic symplectic form and to show that the group generated by finite compositions of symplectic shears is dense in the group of symplectic automorphisms of C2n in the compact-open topology. We give a complete background of the tools from the theory of ordinary differential equations, smooth manifolds, and complex and symplectic geometry that is needed in order to prove this result.
Den här uppsatsen är en detaljerad undersökning av en artikel från 1996 publicerad av Franc Forstneric där han studerar symplektiska automorfismer av C2n. Visionen är att introducera täthetsegenskapen för holomorfa symplektiska mångfalder. Våran idé är som den av Dror Varolin när han 2001 introducerade täthetsegenskapen för Stein mångfalder. Huvudresultatet här är införandet av symplektiska skjuvningar på C2n med en holomorfisk symplektisk form och att visa att gruppen som genereras av ändliga sammansättningar av symplektiska skjuvningar är tät i gruppen av symplektiska automorfismer av C2n i den kompakt-öppna topologin. Vi ger en fullständig bakgrund av de verktyg från teorin om ordinära differentialekvationer, släta mångfalder och komplex och symplektisk geometri som behövs för att visa detta.
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Mascellani, Giovanni. "Fourth-order geometric flows on manifolds with boundary." Doctoral thesis, Scuola Normale Superiore, 2017. http://hdl.handle.net/11384/85715.

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Litsgård, Malte. "The Orbit Method and Geometric Quantisation." Thesis, Uppsala universitet, Analys och sannolikhetsteori, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-351508.

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Lidén, Joel. "Stock Price Predictions using a Geometric Brownian Motion." Thesis, Uppsala universitet, Tillämpad matematik och statistik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-353586.

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Dahl, Heidi. "Cantor minimal systems and AF-equivalence relations." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-1897.

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Parra, Rodrigo. "Equidistribution towards the Green current in complex dynamics." Doctoral thesis, KTH, Matematik (Inst.), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-34264.

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Given a holomorphic self-map of complex projective space of de-gree larger than one, we prove that there exists a finite collection oftotally invariant algebraic sets with the following property: given anypositive closed (1,1)-current of mass 1 with no mass on any element of this family, the sequence of normalized pull-backs of the current converges to the Green current. Under suitable geometric conditions on the collection of totally invariant algebraic sets, we prove a sharper equidistribution result.

QC 20110530

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Hedén, Isac. "Russell’s hypersurface from a geometric point of view." Licentiate thesis, Uppsala universitet, Algebra, geometri och logik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-144688.

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Ahlman, Ove. "A zero-one law for l-colourable structures with a vectorspace pregeometry." Thesis, Uppsala universitet, Algebra och geometri, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-168215.

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Skäremo, Holmberg Jonas. "Torsten Brodén och kontinuumhypotesen med en introduktion till naiv mängdlära." Thesis, Uppsala universitet, Algebra och geometri, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-171975.

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Books on the topic "Geometric analysi"

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T, Ivancevic Tijana, ed. Handbook of geometrical methods for scientists and engineers. Hauppauge, NY: Nova Science Publishers, 2009.

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Geometric analysis. Cambridge: Cambridge University Press, 2012.

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Grinberg, Eric L., ed. Geometric Analysis. Providence, Rhode Island: American Mathematical Society, 1992. http://dx.doi.org/10.1090/conm/140.

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Pérez, Joaquín, and José Gálvez, eds. Geometric Analysis. Providence, Rhode Island: American Mathematical Society, 2012. http://dx.doi.org/10.1090/conm/570.

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Chen, Jingyi, Peng Lu, Zhiqin Lu, and Zhou Zhang, eds. Geometric Analysis. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34953-0.

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Fraser, Ailana, André Neves, Peter M. Topping, and Paul C. Yang. Geometric Analysis. Edited by Matthew J. Gursky and Andrea Malchiodi. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53725-8.

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Bray, Hubert L. Geometric analysis. Providence: American Mathematical Society, Institute for Advanced Study, 2015.

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Jordán, Tibor, and Andrzej Zuk. Discrete geometric analysis. [Tokyo]: Mathematical Society of Japan, 2016.

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Pawlowsky-Glahn, Vera. Modelling and analysis of compositional data. Chichester, West Sussex: John Wiley & Sons, Inc., 2015.

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Kotani, Motoko, Tomoyuki Shirai, and Toshikazu Sunada, eds. Discrete Geometric Analysis. Providence, Rhode Island: American Mathematical Society, 2004. http://dx.doi.org/10.1090/conm/347.

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Book chapters on the topic "Geometric analysi"

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D’Angelo, John P. "Geometric Considerations." In Hermitian Analysis, 121–78. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-8526-1_4.

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D’Angelo, John P. "Geometric considerations." In Hermitian Analysis, 119–76. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16514-7_4.

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Sardina, Jeffrey, Callie Sardina, John D. Kelleher, and Declan O’Sullivan. "Analysis of Attention Mechanisms in Box-Embedding Systems." In Communications in Computer and Information Science, 68–80. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-26438-2_6.

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AbstractLarge-scale Knowledge Graphs (KGs) have recently gained considerable research attention for their ability to model the inter- and intra- relationships of data. However, the huge scale of KGs has necessitated the use of querying methods to facilitate human use. Question Answering (QA) systems have shown much promise in breaking down this human-machine barrier. A recent QA model that achieved state-of-the-art performance, Query2box, modelled queries on a KG using box embeddings with an attention mechanism backend to compute the intersections of boxes for query resolution. In this paper, we introduce a new model, Query2Geom, which replaces the Query2box attention mechanism with a novel, exact geometric calculation. Our findings show that Query2Geom generally matches the performance of Query2box while having many fewer parameters. Our analysis of the two models leads us to formally describe the interaction between knowledge graph data and box embeddings with the concepts of semantic-geometric alignment and mismatch. We create the Attention Deviation Metric as a measure of how well the geometry of box embeddings captures the semantics of a knowledge graph, and apply it to explain the difference in performance between Query2box and Query2Geom. We conclude that Query2box’s attention mechanism operates using “latent intersections” that attend to the semantic properties in embeddings not expressed in box geometry, acting as a limit on model interpretability. Finally, we generalise our results and propose that semantic-geometric mismatch is a more general property of attention mechanisms, and provide future directions on how to formally model the interaction between attention and latent semantics.
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Fraser, Ailana. "Extremal Eigenvalue Problems and Free Boundary Minimal Surfaces in the Ball." In Geometric Analysis, 1–40. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53725-8_1.

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Marques, Fernando C., and André Neves. "Applications of Min–Max Methods to Geometry." In Geometric Analysis, 41–77. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53725-8_2.

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Topping, Peter M. "Ricci Flow and Ricci Limit Spaces." In Geometric Analysis, 79–112. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53725-8_3.

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Yang, Paul C. "Pseudo-Hermitian Geometry in 3D." In Geometric Analysis, 113–44. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53725-8_4.

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Huisken, Gerhard. "Heat diffusion in geometry." In Geometric Analysis, 1–14. Providence, Rhode Island: American Mathematical Society, 2016. http://dx.doi.org/10.1090/pcms/022/01.

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Topping, Peter. "Applications of Hamilton’s compactness theorem for Ricci flow." In Geometric Analysis, 15–50. Providence, Rhode Island: American Mathematical Society, 2016. http://dx.doi.org/10.1090/pcms/022/02.

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Weinkove, Ben. "The Kähler-Ricci flow on compact Kähler manifolds." In Geometric Analysis, 51–108. Providence, Rhode Island: American Mathematical Society, 2016. http://dx.doi.org/10.1090/pcms/022/03.

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Conference papers on the topic "Geometric analysi"

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Skala, Vaclav. "Projective geometry, duality and Plücker coordinates for geometric computations with determinants on GPUs." In INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS (ICNAAM 2016). Author(s), 2017. http://dx.doi.org/10.1063/1.4992684.

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Castelli, Mauro, Luca Manzoni, Ivo Gonçalves, Leonardo Vanneschi, Leonardo Trujillo, and Sara Silva. "An Analysis of Geometric Semantic Crossover: A Computational Geometry Approach." In 8th International Conference on Evolutionary Computation Theory and Applications. SCITEPRESS - Science and Technology Publications, 2016. http://dx.doi.org/10.5220/0006056402010208.

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Schleich, Benjamin, Michael Walter, Sandro Wartzack, Nabil Anwer, and Luc Mathieu. "A Comprehensive Framework for Skin Model Simulation." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82204.

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The need for geometrical variations management is an important issue in design, manufacturing and all other phases of product development. Two main axioms cover geometrical variations, namely the axiom of manufacturing imprecision and the axiom of measurement uncertainty. Therefore, this paper reviews common models for the description of non-ideal geometry (shape with geometric deviations) and shows how the random field theory can be applied to create more realistic skin models (a model which comprises these geometric deviations). Furthermore, methods to estimate and to express the underlying random field from a sample population are shown. These can be used to create and simulate random shapes considering systematic and random deviations observed through measurement or gathered from manufacturing process simulations. The proposed approach incorporates given information from manufacturing process simulations or prototypes. Based on these information, skin model samples are created which can represent the “realistic” part in assembly simulations or other geometrical analyses. This can help to identify the optimal tolerance sets within every stage of the product development process. The efficiency of the introduced approaches is shown in a case study.
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Lane, R. G., R. M. Clare, and T. Y. Chew. "Analysis of Geometric Wavefront Sensing." In Adaptive Optics: Methods, Analysis and Applications. Washington, D.C.: OSA, 2005. http://dx.doi.org/10.1364/aopt.2005.athc1.

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Hildenbrand, Dietmar. "Foundations of Geometric Algebra computing." In NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2012: International Conference of Numerical Analysis and Applied Mathematics. AIP, 2012. http://dx.doi.org/10.1063/1.4756054.

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Edholm, Peter, Lars Lindkvist, and Rikard So¨derberg. "Minimizing Geometric Variation in Multistage Assembly Lines by Geometrical Decoupling." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62805.

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Geometrical part robustness is used today as an engineering criterion in many manufacturing companies. The goal is to minimize the effect of geometrical variation by optimizing the locating schemes for the parts. Several methods and tools now exist to support geometrical robustness optimization for parts, but also for assemblies. In this paper the focus is on geometrical decoupling, which is one parameter of geometrical robustness of the different locating strategies in a complete assembly line. A goodness value is proposed that describes the level of geometrical couplings in a complete assembly line together with the part robustness value. By calculating this goodness value it is possible to predict the geometrical sensitivity of a complete assembly line as well as predicting the risk of geometrical variation in the final product. To illustrate the definition of this goodness value, and also the purpose of calculating it, a case study is used where a part of a sheet metal assembly line is described. Several different scenarios (assembly concepts) are applied to clarify the meaning and to validate this definition of the goodness value. The case study shows that the goodness value gives a good indication of the level of geometrical couplings within the assembly line and that this value can be used to evaluate different assembly concepts, with their locating concepts, against each other. The goal is to have a more robust and also geometrically decoupled assembly line which enables root-cause analysis in production, and also optimizes the geometrical quality minimizing the effect of geometrical variation of the final product from the plant.
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Che, Demeng, Ping Guo, and Kornel F. Ehmann. "Design and Analysis of Helical Needle Tip Grinding Process." In ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/msec2012-7274.

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A generalized helical needle tip geometry model, which can describe many typical needle tip geometries, including conical, bevel, blunt and helical shapes with proper geometric parameters, is presented based on analogy to the helical point drill geometry. The generality of this model offers a general way for manufacturing various needle tip geometries. A mathematical model of the helical needle tip geometry is provided along with the formulation of the kinematic model of the tip grinding process. The control strategy on a 5-axis grinding machine system is also developed to implement the designed kinematic model. The needle tip’s motions in the grinding process are simulated to characterize the effects of grinding parameters on needle tip properties and to predict the trajectory of the needle tip point during the grinding process. Finally, several types of needle geometries have been manufactured by the developed grinding process to verify the newly formulated models.
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Brugnano, Luigi, and Felice Iavernaro. "Geometric integration by playing with matrices." In NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2012: International Conference of Numerical Analysis and Applied Mathematics. AIP, 2012. http://dx.doi.org/10.1063/1.4756051.

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Noguchi, J., H. Fujimoto, J. Kajiwara, and T. Ohsawa. "Geometric Complex Analysis." In Third International Research Institute of Mathematical Society of Japan. WORLD SCIENTIFIC, 1996. http://dx.doi.org/10.1142/9789814532143.

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Cortés, Jorge. "Motion coordination algorithms resulting from classical geometric optimization problems." In GLOBAL ANALYSIS AND APPLIED MATHEMATICS: International Workshop on Global Analysis. AIP, 2004. http://dx.doi.org/10.1063/1.1814715.

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Reports on the topic "Geometric analysi"

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Little, Charles, and David Biedenharn. Technical assessment of the Old, Mississippi, Atchafalaya, and Red (OMAR) Rivers : channel geometry analysis. Engineer Research and Development Center (U.S.), August 2022. http://dx.doi.org/10.21079/11681/45147.

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The Old River Control Complex (ORCC) consists of the Low Sill, Auxiliary, and Overbank structures as features of the Old River Control Structure (ORCS) and the privately owned hydro-electric power plant. Operations of the ORCC manage the hydrologic connectivity between the Mississippi River and the Atchafalaya River/Red River systems. The morphology of the Old, the Mississippi, the Atchafalaya, and the Red Rivers (OMAR) has been influenced by the flow distribution at the ORCC, as well as the accompanying bed sediments. A geomorphic assessment of the OMAR is underway to understand the morphological changes associated with operation of the ORCC. Supporting the geomorphic assessment, a channel geometry analysis herein documents observed adjustments of the affected river channels. Historical hydrographic survey data were used in the Geographic Information System to create river channel geometric models, which inform the analysis. Geometric parameters for cross sections and volume polygons were computed for each survey and evaluated for morphological trends which may be ascribed to the influence of the ORCC. Additionally, the geometric parameters for the Atchafalaya River were used to extend the geometry analyses from the 1951 Mississippi River Commission report on the Atchafalaya River, which was the primary catalyst for the initial development of the ORCS.
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Rashevska, Natalya V., Serhiy O. Semerikov, Natalya O. Zinonos, Viktoriia V. Tkachuk, and Mariya P. Shyshkina. Using augmented reality tools in the teaching of two-dimensional plane geometry. [б. в.], November 2020. http://dx.doi.org/10.31812/123456789/4116.

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One of the successful components of quality assimilation of educational material and its further use in the learning process is visualization of material in secondary education institutions. Visualizations need the subjects of the school course, which are the most difficult to understand and essentially do not have at the beginning of the study of widespread practical application, mostly mathematical objects. That is why this study aimed to analyze mobile tools that can be used to visualize teaching geometry. The object of the study is the process of teaching geometry in the middle classes of secondary schools. The subject of the study is the use of augmented reality tools in teaching geometry to students in grades 7-9. The study used such research methods as the analysis and justification of the choice of mobile augmented reality for the study of mathematics. Analyses displayed two augmented reality tools: ArloonGeometry and Geometry AR. In order to gain geometry instruction’s academic success for the students, these tools can be used by teachers to visualize training material and create a problematic situation. The use of augmented reality means in the geometry lessons creates precisely such conditions for positive emotional interaction between the student and the teacher. It also provided support to reduce fear and anxiety attitudes towards geometry classes. The emotional component of learning creates the conditions for better memorization of the educational material, promotes their mathematical interest, realizes their creative potential, creates the conditions for finding different ways of solving geometric problems.
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Carlsson, Gunnar, and Mike Mahoney. Geometric Networks Analysis. Fort Belvoir, VA: Defense Technical Information Center, August 2012. http://dx.doi.org/10.21236/ada567132.

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Watterberg, P. A. Geometric simplification of analysis models. Office of Scientific and Technical Information (OSTI), December 1999. http://dx.doi.org/10.2172/750027.

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Lauth, Timothy, David Biedenharn, Travis Dahl, Casey Mayne, Keaton Jones, Charles Little, Joseph Dunbar, Samantha Lucker, and Nalini Torres. Technical assessment of the Old, Mississippi, Atchafalaya, and Red (OMAR) Rivers : geomorphic assessment. Engineer Research and Development Center (U.S.), August 2022. http://dx.doi.org/10.21079/11681/45143.

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This report documents the geomorphic assessment component of the Old River, Mississippi River, Atchafalaya River, and Red River System Technical Assessment. The overall objectives of the geomorphic assessment are to utilize all available data to document the historic trends in hydrology, sedimentation, and channel geometry for the rivers in the vicinity of the Old River Control Complex and to summarize the changes observed at locations where repetitive datasets exist and at key reaches that are determined during the study. The geomorphic assessment tasks include data compilation, geometric data analysis, gage and discharge analysis, dredge record analysis, sediment data analysis, development of an events timeline, and integration of results. Geomorphic reaches were developed, and the morphological trends during different time periods were identified. The geomorphic assessment highlighted the importance of considering spatial and temporal variability when assessing morphological trends.
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Przebienda, Louis M., and Shawna Youst. Geometric Processor and Multivariate Categorical Processor Market Analysis. Fort Belvoir, VA: Defense Technical Information Center, July 1988. http://dx.doi.org/10.21236/ada207281.

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Baraniuk, Richard G., and Hyeokho Choi. Higher-Dimensional Signal Processing via Multiscale Geometric Analysis. Fort Belvoir, VA: Defense Technical Information Center, February 2010. http://dx.doi.org/10.21236/ada514181.

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Barlow, Richard E., and Max B. Mendel. Failure Data Analysis Based on Engineering and Geometric Principles. Fort Belvoir, VA: Defense Technical Information Center, April 1995. http://dx.doi.org/10.21236/ada296135.

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Muhlestein, Michael, and Carl Hart. Geometric-acoustics analysis of singly scattered, nonlinearly evolving waves by circular cylinders. Engineer Research and Development Center (U.S.), October 2020. http://dx.doi.org/10.21079/11681/38521.

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Geometric acoustics, or acoustic ray theory, is used to analyze the scattering of high-amplitude acoustic waves incident upon rigid circular cylinders. Theoretical predictions of the nonlinear evolution of the scattered wave field are provided, as well as measures of the importance of accounting for nonlinearity. An analysis of scattering by many cylinders is also provided, though the effects of multiple scattering are not considered. Provided the characteristic nonlinear distortion length is much larger than a cylinder radius, the nonlinear evolution of the incident wave is shown to be of much greater importance to the overall evolution than the nonlinear evolution of the individual scattered waves.
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Fabbri, A. G., C. A. Kushigbor, C. R. Valenzuela, and F. D. van der Meer. Automated strategies for geometric characterization in geological remote sensing analysis. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1994. http://dx.doi.org/10.4095/193962.

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