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Articles de revues sur le sujet « Aim of the functions »

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Auteur : Grafiati

Publié le 25 mai 2024

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1

Schonlau, Benedikt, Stephan Grimm, Frank Köster et Tobias Frankiewicz. « AIM Test Facility for Validating Cooperative Functions ». ATZ worldwide 117, n^o 5 (14 avril 2015) : 30–33. http://dx.doi.org/10.1007/s38311-015-0016-y.

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2

Rhodes, Frank, et H. Paul Williams. « Discrete subadditive functions as Gomory functions ». Mathematical Proceedings of the Cambridge Philosophical Society 117, n^o 3 (mai 1995) : 559–74. http://dx.doi.org/10.1017/s0305004100073370.

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Our aim, in this paper, is to study a class of functions which occurs in pure integer programming, and to investigate conditions under which discrete subadditive functions belong to that class. The inspiration for the paper was the problem of classifying discrete metrics used in pattern recognition, while the methods of proof of the main theorem are those of pure integer programming.

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3

Antonis, Theofilids. « Cognitive Functions—Attention ». Psychiatry and Psychological Disorders 1, n^o 2 (19 janvier 2023) : 01–05. http://dx.doi.org/10.58489/2836-3558/007.

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The concept of attention held a special place during the historical development of psychology (Cohen, Sparkling –Cohen & O' Donell, 1993). Although hundreds of articles dealing with the concept of attention are published each year (Whyte, 1992a), due to the lack of coherence at a conceptual, methodological and theoretical level, there continues to be disagreement among scientists (Anderson, Craik & Naveh-Benjamin, 1998. Van Zomeran & Brower, 1994) on the nature of attention. Aim: The main purpose of the article is the definition of attention. Method: a review of the literature was made and the most representative articles on the concept of attention were selected. Conclusions: Attention is a multifaceted concept. Its special nature leads to the non-existence of a unified psychological theory that will explain and include all its dimensions.

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Al-Oboudi, F. M. « -Bazilevic Functions ». Abstract and Applied Analysis 2012 (2012) : 1–10. http://dx.doi.org/10.1155/2012/383592.

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The aim of this paper is to define and study a class of Bazilevic functions using the generalized Salagean operator. Some properties of this class are investigated: inclusion relation, some convolution properties, coefficient bounds, and other interesting results.

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Mahmood, Shahid, Sarfraz Nawaz Malik, Sumbal Farman, S. M. Jawwad Riaz et Shabieh Farwa. « Uniformly Alpha-Quasi-Convex Functions Defined by Janowski Functions ». Journal of Function Spaces 2018 (2018) : 1–7. http://dx.doi.org/10.1155/2018/6049512.

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In this work, we aim to introduce and study a new subclass of analytic functions related to the oval and petal type domain. This includes various interesting properties such as integral representation, sufficiency criteria, inclusion results, and the convolution properties for newly introduced class.

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Mersin, Efruz Özlem. « Hyperbolic Horadam hybrid functions ». Notes on Number Theory and Discrete Mathematics 29, n^o 2 (juin 2023) : 389–401. http://dx.doi.org/10.7546/nntdm.2023.29.2.389-401.

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The aim of this paper is to introduce the hybrid form of the hyperbolic Horadam function and to investigate some of its properties such as the generating function. Another aim is to define hyperbolic Horadam hybrid sine and cosine functions and their symmetrical forms. For newly defined functions, some properties such as the recursive relations, derivatives, Cassini and De Moivre type identities are examined. In addition, the quasi-sine Horadam hybrid function and three-dimensional Horadam hybrid spiral are defined.

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Fleissig, Adrian R., Terry Kastens et Dek Terrell. « Evaluating the semi-nonparametric fourier, aim, and neural networks cost functions ». Economics Letters 68, n^o 3 (septembre 2000) : 235–44. http://dx.doi.org/10.1016/s0165-1765(00)00241-x.

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Coman, Gheorghe, et Teodora Cătinaş. « Elementary spline functions ». Journal of Numerical Analysis and Approximation Theory 37, n^o 2 (1 août 2008) : 143–49. http://dx.doi.org/10.33993/jnaat372-886.

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The aim of this paper is to define the elementary spline functions in analogy with the definition of the polynomial spline functions, given by I. J.Schonberg. Also, it is described a method for constructing the elementary spline functions. Finally, some examples are given.

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Dai, Yongmei, Wenhan Chen, Chen Huang, Shiyin Luo, Junpeng Huang, Jiangxing Xu, Li Xie et al. « Expression and Biological Functions of EPC1 in Nasopharyngeal Carcinoma ». Archives of Iranian Medicine 24, n^o 11 (1 novembre 2021) : 845–51. http://dx.doi.org/10.34172/aim.2021.125.

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Background: Comb homolog enhancer 1 (EPC1) gene is one of the important members of epigenetic inhibitor PCG family. It shows carcinogenic potential in a variety of malignant tumors, but the expression and role of EPC1 in nasopharyngeal carcinoma are unclear. The aim of this study was to explore the expression and function of enhancer of polycomb homolog 1 (EPC1) in nasopharyngeal carcinoma (NPC). Methods: The differential expression of EPC1 in the cancer tissues and cell lines of NPC was examined by quantitative real-time reverse transcription-polymerase chain reaction (qRT-PCR). EPC1 expression, cell proliferation, and apoptosis were detected in NPC cell lines after EPC1 silencing, and the levels of the epithelial-mesenchymal transition (EMT)-related proteins E-cadherin and vimentin were detected in NPC cells after EPC1 silencing. The study was performed at Fujian Provincial Hospital, Fujian, China, from 2018 to 2019. Results: We found that EPC1 was significantly upregulated in the cancer tissues and cell lines of NPC (P<0.001). Furthermore, knockdown of EPC1 inhibited the growth and metastasis of NPC cells. E-cadherin and vimentin were detected in NPC cells after EPC1 was knocked out. It was confirmed that inhibition of EPC1 resulted in increased E-cadherin expression (P<0.001) and decreased vimentin expression (P<0.001), suggesting that inhibition of EPC1 could inhibit the EMT in NPC cells. Conclusion: EPC1 expression was upregulated in NPC tissues and cell lines. Knockout of EPC1 effectively inhibited the growth of NPC cells, induced apoptosis, and inhibited invasion and metastasis. Inhibition of EPC1 could inhibit the EMT in NPC cells. All of the above findings support the viewpoint that EPC1 plays a pro-cancer role in NPC.

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Hassan, Zubaida. « Functions and Implications of Circular RNAs in Antiviral Immunity ». Advances in Microbiology 09, n^o 07 (2019) : 602–15. http://dx.doi.org/10.4236/aim.2019.97037.

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Mykhalchuk, Nataliia, et Iryna Koval. « Psychological Functions of Socio-Cultural Competence ». Collection of Research Papers "Problems of Modern Psychology" 63 (25 avril 2024) : 219–41. http://dx.doi.org/10.32626/2227-6246.2024-63.219-241.

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The aim of our research is to show psychological functions of socio-cultural competence; to present cultural context, which influences the development of socio-cultural competence of students. Methods of the research. The following theoretical methods of the research were used to solve the tasks formulated in the article: a categorical method, structural and functional methods, the methods of the analysis, systematization, modeling, generalization. The experimental method was the method of organizing empirical research. The results of the research. We proposed socio-cultural approach in the process of education at high school at the English lessons. We proved that the main function of socio-cultural competence is a cultural function, which has the aim to create cross-cultural competence of the student almost at the same level as a native speaker. The main cultural function is a mean of building up a cultural-historical theme, and the native culture is not ignored. So, there is a parallel study of the cultural manifestations of native people and the people whose language is being studied. It was proved that the ways of developing of sociocultural competence to learning a foreign language has the aim to integrate language education interdisciplinary with the purpose to enrich bilingual competence of the student in order to fulfill the role of a subject of multi-cultural dialogues and to gain a role of a cultural mediator in the process of intercultural communication. Conclusions. We’ve shown, that from the standpoint of Sociocultural Approach, socio-cultural competence is understood by us as the functionally determined communicative interaction of people who are the representatives of different cultural communities and belong to different geopolitical, continental, religious, regional, national, ethnic groups, as well as social subcultures. It was shown, that partners of communication, of course, can differ from each other in value-oriented worldview, lifestyle, models of speech and non-verbal process of communication. For productive multi-cultural communication, a personality with a high level of socio-cultural competence must be a mediator of cultures, by which we understand a student who has knowledge about the peculiarities of different cultures and the peculiarities of their interaction. Socio-cultural competence allows a person to go beyond the background of his/her native culture and acquire the qualities of a mediator of cultures, without losing his/her personal cultural identity.

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Choi, Junesang, et Praveen Agarwal. « Certain Class of Generating Functions for the Incomplete Hypergeometric Functions ». Abstract and Applied Analysis 2014 (2014) : 1–5. http://dx.doi.org/10.1155/2014/714560.

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Generating functions play an important role in the investigation of various useful properties of the sequences which they generate. In this paper, we aim to establish certain generating functions for the incomplete hypergeometric functions introduced by Srivastava et al. (2012). All the derived results in this paper are general and can yield a number of (known and new) results in the theory of generating functions.

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13

Ahmed, Ahmed. « Some Results About αc– Continuous Functions ». Pure Mathematics for Theoretical Computer Science 3, n^o 1 (2023) : 20–23. http://dx.doi.org/10.54216/pmtcs.030103.

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The main aim of this paper is to study new class of continuous function is called – continuous function. for this aim, the nation of - open and pre – open sets and - compact space are introduced. and we shall study the relationship between – continuous and pc– continuous functions.

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14

Jain, Shilpi, Carlo Cattani et Praveen Agarwal. « Fractional Hypergeometric Functions ». Symmetry 14, n^o 4 (1 avril 2022) : 714. http://dx.doi.org/10.3390/sym14040714.

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The fractional calculus of special functions has significant importance and applications in various fields of science and engineering. Here, we aim to find the fractional integral and differential formulas of the extended hypergeometric-type functions by using the Marichev–Saigo–Maeda operators. All the outcomes presented here are of general attractiveness and can yield a number of previous works as special cases due to the high degree of symmetry of the involved functions.

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15

Ben Lai, Xiang An, Hao-Bo Yuan, Nan Wang et Chang-Hong Liang. « AIM Analysis of 3D PEC Problems Using Higher Order Hierarchical Basis Functions ». IEEE Transactions on Antennas and Propagation 58, n^o 4 (avril 2010) : 1417–21. http://dx.doi.org/10.1109/tap.2010.2041153.

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Awan, Muhammad, Sadia Talib, Muhammad Noor et Khalida Noor. « On γ-preinvex functions ». Filomat 34, n^o 12 (2020) : 4137–59. http://dx.doi.org/10.2298/fil2012137a.

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The aim of the paper is to introduce the notion of ?-preinvex functions. We study this class in perspective of inequalities of Hermite-Hadamard type. We also derive some new estimates of upper bounds involving n-times differentiable ?-preinvex functions. Some special cases are also discussed which shows that the obtained results are quite unifying one.

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17

Bhat, Ramesh. « ON SUPERCONTINUOUS FUNCTIONS IN TOPOLOGY ». International Journal of Engineering Technologies and Management Research 8, n^o 4 (12 avril 2021) : 1–5. http://dx.doi.org/10.29121/ijetmr.v8.i4.2021.903.

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Ali Shah, Syed Ghoos, Saima Noor, Saqib Hussain, Asifa Tasleem, Akhter Rasheed et Maslina Darus. « Analytic Functions Related with Starlikeness ». Mathematical Problems in Engineering 2021 (28 juin 2021) : 1–5. http://dx.doi.org/10.1155/2021/9924434.

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The aim of present investigation is to study a new class of analytic function related with the Sokol-Nunokawa class. We derived relationships of this class with strongly starlike functions and obtained many interesting results.

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19

Darus, Maslina. « Meromorphic functions with positive coefficients ». International Journal of Mathematics and Mathematical Sciences 2004, n^o 6 (2004) : 319–24. http://dx.doi.org/10.1155/s0161171204306198.

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20

Khalladi, M. T., M. Kostić, M. Pinto, A. Rahmani et D. Velinov. « On Semi- c -Periodic Functions ». Journal of Mathematics 2021 (30 janvier 2021) : 1–5. http://dx.doi.org/10.1155/2021/6620625.

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The main aim of this paper is to indicate that the notion of semi- c -periodicity is equivalent with the notion of c -periodicity, provided that c is a nonzero complex number whose absolute value is not equal to 1.

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21

Arif, Muhammad, Mohsan Raza et Bakhtiar Ahmad. « A new subclass of meromorphic multivalent close-to-convex functions associated with Janowski functions ». Filomat 30, n^o 9 (2016) : 2389–95. http://dx.doi.org/10.2298/fil1609389a.

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The aim of this paper is to introduce a new subclass of meromorphic multivalent close-to-convex functions and to study some interesting properties such as coefficient estimates, inclusion relationship, radius problem and sufficiency criteria for this newly defined class.

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22

Cobzaş, Ştefan. « Compactness in spaces of Lipschitz functions ». Journal of Numerical Analysis and Approximation Theory 30, n^o 1 (1 février 2001) : 9–14. http://dx.doi.org/10.33993/jnaat301-676.

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23

Al Sarari, F. S. M., B. A. Frasin, T. Al-Hawary et S. Latha. « A few results on generalized Janowski type functions associated with (j, k)-symmetrical functions ». Acta Universitatis Sapientiae, Mathematica 8, n^o 2 (1 décembre 2016) : 195–205. http://dx.doi.org/10.1515/ausm-2016-0012.

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Abstract The aim of the present article is to introduce and study new subclass of Janowski type functions defined using notions of Janowski functions and (j, k)-symmetrical functions. Certain interesting coefficient inequalities, sufficiency criteria, distortion theorem, neighborhood property are investigated for this class.

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24

Zheng, Yingchun, et Xiaoyan Gao. « Sufficiency and Duality for Multiobjective Programming under New Invexity ». Mathematical Problems in Engineering 2016 (2016) : 1–14. http://dx.doi.org/10.1155/2016/8462602.

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A class of multiobjective programming problems including inequality constraints is considered. To this aim, some new concepts of generalizedF,P-type I andF,P-type II functions are introduced in the differentiable assumption by using the sublinear functionF. These new functions are used to establish and prove the sufficient optimality conditions for weak efficiency or efficiency of the multiobjective programming problems. Moreover, two kinds of dual models are formulated. The weak dual, strong dual, and strict converse dual results are obtained under the aforesaid functions.

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Lansky, Melvin R. « Screen Memories and Screening Functions : Recollection, Personal Histories, and Post-Traumatic Dreams ». American Imago 72, n^o 1 (2015) : 89–99. http://dx.doi.org/10.1353/aim.2015.0001.

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Feng, Guohua, et Apostolos Serletis. « Productivity trends in U.S. manufacturing : Evidence from the NQ and AIM cost functions ». Journal of Econometrics 142, n^o 1 (janvier 2008) : 281–311. http://dx.doi.org/10.1016/j.jeconom.2007.06.002.

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Shah, Syed Ali Haider, Shahid Mubeen, Gauhar Rahman et Jihad Younis. « Relation of Some Known Functions in terms of Generalized Meijer G -Functions ». Journal of Mathematics 2021 (3 novembre 2021) : 1–9. http://dx.doi.org/10.1155/2021/7032459.

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The aim of this paper is to prove some identities in the form of generalized Meijer G -function. We prove the relation of some known functions such as exponential functions, sine and cosine functions, product of exponential and trigonometric functions, product of exponential and hyperbolic functions, binomial expansion, logarithmic function, and sine integral, with the generalized Meijer G -function. We also prove the product of modified Bessel function of first and second kind in the form of generalized Meijer G -function and solve an integral involving the product of modified Bessel functions.

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Carpintero, C., N. Rajesh et E. Rosas. « On real valued ω-continuous functions ». Acta Universitatis Sapientiae, Mathematica 10, n^o 2 (1 décembre 2018) : 242–48. http://dx.doi.org/10.2478/ausm-2018-0019.

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Abstract The aim of this paper is to introduce and study upper and lower ω-continuous functions. Some characterizations and several properties concerning upper (resp. lower) ω-continuous functions are obtained.

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Saleh, Wedad, Abdelghani Lakhdari et Badereddine Meftah. « Strongly Geodesic Log-Preinvex Functions ». European Journal of Pure and Applied Mathematics 17, n^o 2 (30 avril 2024) : 860–69. http://dx.doi.org/10.29020/nybg.ejpam.v17i2.5103.

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In this article, we delve into the intriguing concept of strongly geodesic log-preinvex functions in Riemannian manifolds. We present essential preliminaries and fundamental results that shed light on this specialized area of study. By examining the properties and implications of these functions, we aim to contribute to the growing body of knowledge in convexity theory within the context of Riemannian manifolds.

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Khoshbakht, Shahrouz, Maryam Beheshtian, Zohreh Fattahi, Niloofar Bazazzadegan, Elham Parsimehr, Mahsa Fadaee, Raheleh Vazehan et al. « CEP104 and CEP290 ; Genes with Ciliary Functions Cause Intellectual Disability in Multiple Families ». Archives of Iranian Medicine 24, n^o 5 (1 mai 2021) : 364–73. http://dx.doi.org/10.34172/aim.2021.53.

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Donald Capps. « Erik H. Erikson, Norman Rockwell, and the Therapeutic Functions of a Questionable Painting ». American Imago 65, n^o 2 (2008) : 191–228. http://dx.doi.org/10.1353/aim.0.0016.

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32

Qureshi, M. I., et Javid Majid. « SEMI INTEGRATION OF SOME ALGEBRAIC FUNCTIONS ». Jnanabha 51, n^o 01 (2021) : 213–18. http://dx.doi.org/10.58250/jnanabha.2021.51126.

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The aim of this article is to obtain the semi-integrals of certain functions in terms of Complete Elliptic integrals of different kinds by making use of Euler’s linear transformation, Pfaff-Kummer linear transformation and series ¨ manipulation technique.

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Faried, N., M. S. S. Ali et A. A. Badr. « ON CONJUGATE OF SUB E-FUNCTIONS ». Advances in Mathematics : Scientific Journal 10, n^o 6 (22 juin 2021) : 2865–76. http://dx.doi.org/10.37418/amsj.10.6.13.

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The aim of this article is to introduce the definition of the conjugate of sub $E$-functions, which plays an important role in linking the concept of duality among sub $E$-functions. Furthermore, some properties for this class are established.

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Ul-Haq, Wasim, et Javed Iqbal. « Hermite-Hadamard-Type Inequalities forr-Preinvex Functions ». Journal of Applied Mathematics 2013 (2013) : 1–5. http://dx.doi.org/10.1155/2013/126457.

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35

SPINK, HUNTER. « Local Maxima of Quadratic Boolean Functions ». Combinatorics, Probability and Computing 25, n^o 4 (21 décembre 2015) : 633–40. http://dx.doi.org/10.1017/s0963548315000322.

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How many strict local maxima can a real quadratic function on {0, 1}n have? Holzman conjectured a maximum of $\binom{n }{ \lfloor n/2 \rfloor}$. The aim of this paper is to prove this conjecture. Our approach is via a generalization of Sperner's theorem that may be of independent interest.

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Dong, Yanliang, Maryam Saddiqa, Saleem Ullah et Ghulam Farid. « Study of Fractional Integral Operators Containing Mittag-Leffler Functions via Strongly α , m -Convex Functions ». Mathematical Problems in Engineering 2021 (12 janvier 2021) : 1–13. http://dx.doi.org/10.1155/2021/6693914.

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The main aim of this paper is to give refinement of bounds of fractional integral operators involving extended generalized Mittag-Leffler functions. A new definition, namely, strongly α , m -convex function is introduced to obtain improvements of bounds of fractional integral operators for convex, m -convex, and α , m -convex functions. The results of this paper will provide simultaneous generalizations as well as refinements of various published results.

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Laucuka, Aleksandra. « Communicative Functions of Hashtags ». Economics and Culture 15, n^o 1 (1 juin 2018) : 56–62. http://dx.doi.org/10.2478/jec-2018-0006.

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Abstract Despite the initial function of hashtags as tools for sorting and aggregating information according to topics, the social media currently witness a diversity of uses diverging from the initial purpose. The aim of this article is to investigate the communicative functions of hashtags through a combined approach of literature review, field study and case study. Different uses of hashtags were subjected to semantic analysis in order to disclose generalizable trends. As a result, ten communicative functions were identified: topic-marking, aggregation, socializing, excuse, irony, providing metadata, expressing attitudes, initiating movements, propaganda and brand marketing. These findings would help to better understand modern online discourse and to prove that hashtags are to be considered as a meaningful part of the message. A limitation of this study is its restricted volume.

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Younis, Jihad A., Hassen Aydi et Ashish Verma. « Some Formulas for New Quadruple Hypergeometric Functions ». Journal of Mathematics 2021 (1 avril 2021) : 1–10. http://dx.doi.org/10.1155/2021/5596299.

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In this paper, we aim to introduce six new quadruple hypergeometric functions. Then, we investigate certain formulas and representations for these functions such as symbolic formulas, differential formulas, and integral representations.

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Wolniak, Radosław. « Main functions of operation management ». Production Engineering Archives 26, n^o 1 (1 mars 2020) : 11–14. http://dx.doi.org/10.30657/pea.2020.26.03.

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AbstractPresented paper concentrate on problems connected with the function of operation management within the company. Operation function is responsible for producing products and delivering services. But it needs support and input from others areas of the organization. The aim of the paper it to analyze on the basis on inter-national the main functions of operation management. We can distinguish seven main functions of operation management in the industrial enterprise: planning, scheduling, purchasing, controlling, quality control and inventory control. In each of those fields operations managers should conduct many decision affecting of-organization effectiveness.

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Mortici, Cristinel. « The monotonicity of Darboux and 2-injective functions ». Applicable Analysis and Discrete Mathematics, n^o 00 (2021) : 24. http://dx.doi.org/10.2298/aadm200616024m.

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Sarma, Diganta Jyoti. « Weakly b-open functions in bitopological spaces ». Boletim da Sociedade Paranaense de Matemática 35, n^o 2 (20 mars 2017) : 105–14. http://dx.doi.org/10.5269/bspm.v35i2.28366.

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The aim of this paper is to introduce the notion of weakly b-open functions in bitopological spaces. Some properties of this functions are established and the relationships with some other types of spaces are also investigated.

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Kim, Young Chang, Sang Hun Lee et Shigeyoshi Owa. « On certain meromorphic functions with positive coefficients ». International Journal of Mathematics and Mathematical Sciences 16, n^o 2 (1993) : 409–12. http://dx.doi.org/10.1155/s0161171293000511.

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Khetarpal, Khimya, et Doina Precup. « Learning Options with Interest Functions ». Proceedings of the AAAI Conference on Artificial Intelligence 33 (17 juillet 2019) : 9955–56. http://dx.doi.org/10.1609/aaai.v33i01.33019955.

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Learning temporal abstractions which are partial solutions to a task and could be reused for solving other tasks is an ingredient that can help agents to plan and learn efficiently. In this work, we tackle this problem in the options framework. We aim to autonomously learn options which are specialized in different state space regions by proposing a notion of interest functions, which generalizes initiation sets from the options framework for function approximation. We build on the option-critic framework to derive policy gradient theorems for interest functions, leading to a new interest-option-critic architecture.

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Baricz, Árpád, et Tibor K. Pogány. « Functional inequalities for modified Struve functions ». Proceedings of the Royal Society of Edinburgh : Section A Mathematics 144, n^o 5 (octobre 2014) : 891–904. http://dx.doi.org/10.1017/s0308210512001370.

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By using a general result on the monotonicity of quotients of power series, our aim is to prove some monotonicity and convexity results for the modified Struve functions. Moreover, as consequences of the above-mentioned results, we present some functional inequalities as well as lower and upper bounds for modified Struve functions. Our main results complement and improve the 1998 results of Joshi and Nalwaya.

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Cvetanović, Ivan. « Education and Academic Communication : Functions and Intersections ». Rhetoric and Communications, n^o 55 (29 avril 2023) : 91–102. http://dx.doi.org/10.55206/fket4524.

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Abstract: The crisis in education has been the problem for many decades and entropy in education does exist. The aim is to present a situation in Serbia concerning education and reforms as well as to highlight a new strategy in the process of education. The hypothesis is that entropy could be replaced by synergy and academic honesty could be integrated in the legal system in the domain of education in Serbia. The focus is on several topics: Good practices of scholars from the USA in the field of shared responsibility for student learning as a creative approach to reforms in education are presented. A few examples of negative appearances in the structure and organization in educational institutions in Serbia are analysed too. Some perspectives are described. The first one is related to unity, responsibility, and trust between all parties responsible for the successful education: teachers, students, and parents, local and state representatives. The second one is that without democratic media and objective and true information about the real situation in the domain of education, all efforts toward achieving progress will remain locked in the paper work and empty promises of a bureaucratic way of thinking in the field of education. Кеywords: education, entropy, synergy, academic honesty, knowledge society, media.

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Štekauerová, V., J. Skalová et J. Šútor. « Using of pedotransfer functions for assessment of hydrolimits ». Plant, Soil and Environment 48, No. 9 (21 décembre 2011) : 407–12. http://dx.doi.org/10.17221/4388-pse.

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Soil hydrologic coefficients, also called hydrolimits, are soil water contents defined for certain values of water potentials. Closer attention is paid to three hydrolimits: field capacity, point of decreased availability, and wilting point. The hydrolimits can be found by various ways. Their assessment under natural conditions should be seen as laboratory assessment of hydrolimit values or use of soil water retention curves for reading of hydrolimits. Therefore, some methods for indirect assessment of the water retention curve from actually mapped soil characteristics such as soil texture, bulk density and calcium content were devised. They are generally called pedotransfer functions (PTFs). Aim of the study is to calculate values of some important hydrolimits using PTFs. The hydrolimits calculated by this way are compared to hydrolimits determined from another measured water retention curves. The presented study documents an efficiency and promptness of PTFs use for a region of interest for dynamics evaluation of water storage in the soil aeration zone considering the water supply of plants.

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Sabek, Ibrahim, Kapil Vaidya, Dominik Horn, Andreas Kipf, Michael Mitzenmacher et Tim Kraska. « Can Learned Models Replace Hash Functions ? » Proceedings of the VLDB Endowment 16, n^o 3 (novembre 2022) : 532–45. http://dx.doi.org/10.14778/3570690.3570702.

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Hashing is a fundamental operation in database management, playing a key role in the implementation of numerous core database data structures and algorithms. Traditional hash functions aim to mimic a function that maps a key to a random value, which can result in collisions, where multiple keys are mapped to the same value. There are many well-known schemes like chaining, probing, and cuckoo hashing to handle collisions. In this work, we aim to study if using learned models instead of traditional hash functions can reduce collisions and whether such a reduction translates to improved performance, particularly for indexing and joins. We show that learned models reduce collisions in some cases, which depend on how the data is distributed. To evaluate the effectiveness of learned models as hash function, we test them with bucket chaining, linear probing, and cuckoo hash tables. We find that learned models can (1) yield a 1.4x lower probe latency, and (2) reduce the non-partitioned hash join runtime with 28% over the next best baseline for certain datasets. On the other hand, if the data distribution is not suitable, we either do not see gains or see worse performance. In summary, we find that learned models can indeed outperform hash functions, but only for certain data distributions.

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Todorova, Valentyna. « Functions of Choreography in Sports ». Physical education, sports and health culture in modern society, n^o 2(38) (30 juin 2017) : 201–5. http://dx.doi.org/10.29038/2220-7481-2017-02-201-205.

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The aim of paper is to determine the functions of choreographic training in sport. Research methods: theoretical analysis and synthesis of scientific sources, studying of documentary materials, induction and deduction methods, system approach. Research results.The functions of the system of choreographic training are based on determining its role within the framework of the system of multi-year sports improvement, which is realized through the direct activity of the subject of the training activities and its interaction with other participants in this process Concussions. The following functions are singled out: integral-auxiliary, educational-educational, competitive-reference, recreational, emotional-spectacular, aesthetic, motivational, self-realization, design-constructive, diagnostic-corrective.

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Mejjaoli, Hatem, et Ahmedou Ould Ahmed Salem. « Some New Recurrence Relations Concerning Jacobi Functions ». Journal of Mathematics 2013 (2013) : 1–7. http://dx.doi.org/10.1155/2013/162429.

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The aim of this paper is to obtain some new recurrence relations for the “modified” Jacobi functionsΦλα,β. Based on an asymptotic relationship between the Jacobi function and the Bessel function, the expression of Bessel function in terms of elementary functions follows as particular cases.

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Futamura, Toshihide, et Yoshihiro Mizuta. « Existence of functions in weighted sobolev spaces ». Nagoya Mathematical Journal 164 (décembre 2001) : 75–88. http://dx.doi.org/10.1017/s0027763000008047.

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The aim of this paper is to determine when there exists a quasicontinuous Sobolev function whose trace is the characteristic function of a bounded set where with As application we discuss the existence of harmonic measures for weighted p-Laplacians in the unit ball.

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