Edit Profile (opens in new tab) Almira, Jose María Compute Distance To: Compute Author ID: almira.jose-maria Published as: Almira, J. M.; Almira, Jose María; Almira, Jose Maria; Almira, José María; Almira, José M.; Almira Picazo, J. M.; Almira, Jose M. more...less Homepage: http://www4.ujaen.es/~jmalmira/ Documents Indexed: 79 Publications since 1997, including 4 Books 1 Further Contribution Reviewing Activity: 32 Reviews Co-Authors: 27 Co-Authors with 58 Joint Publications 322 Co-Co-Authors all top 5 Co-Authors 20 single-authored 13 Del Toro, Naira 7 López-Moreno, Antonio-Jesús 6 Abu-Helaiel, Khader Faiez 6 Pérez-Acosta, Francisco 5 Luther, Uwe 5 Székelyhidi, László 4 Romero, Alfonso 2 Aksoy, Asuman Güven 2 Oikhberg, Timur 2 Shulman, Ekaterina V. 2 Torres, Pedro José 1 Abu-Helaeil, Khader Faiez 1 Boros, Zoltán 1 Cid, José Ángel 1 Fernández-Martínez, Pedro 1 García-Caballero, Esther M. 1 Gödel, Kurt 1 González, P. D. 1 Jódar, Jorge 1 Lopez-de-Teruel, Pedro E. 1 Moreno, Samuel G. 1 Ostalé, Julio 1 Passot, Benoit 1 Quesada, José María 1 Romero-López, D. J. 1 Romero, Angel E. 1 Sabina-de-Lis, José Claudio 1 Voiglaender, F. all top 5 Serials 7 Journal of Mathematical Analysis and Applications 5 La Gaceta de la Real Sociedad Matemática Española 3 Results in Mathematics 3 Aequationes Mathematicae 3 Communications in Applied Analysis 3 Rendiconti del Seminario Matematico. Universitá e Politecnico di Torino 3 La Matemática en sus Personajes 2 Le Matematiche 2 Numerical Functional Analysis and Optimization 2 Revista de la Academia Canaria de Ciencias 2 Elemente der Mathematik 2 Bulletin of the Belgian Mathematical Society - Simon Stevin 2 Applied Mathematics E-Notes 2 Mediterranean Journal of Mathematics 2 Annals of the Tiberiu Popoviciu Seminar of Functional Equations, Approximation and Convexity 2 Jaen Journal on Approximation 2 Annals of Functional Analysis 1 Indian Journal of Pure & Applied Mathematics 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 The Australian Mathematical Society Gazette 1 Commentationes Mathematicae Universitatis Carolinae 1 Demonstratio Mathematica 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Approximation Theory 1 Journal of Computational and Applied Mathematics 1 Mathematische Nachrichten 1 Questions and Answers in General Topology 1 Approximation Theory and its Applications 1 Applied Mathematics Letters 1 Electronic Journal of Differential Equations (EJDE) 1 Divulgaciones Matemáticas 1 Filomat 1 Applied Sciences 1 DGDS. Differential Geometry – Dynamical Systems 1 Annales Mathematicae Silesianae 1 Applied General Topology 1 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Carpathian Journal of Mathematics 1 Surveys in Approximation Theory (SAT) 1 Banach Journal of Mathematical Analysis 1 Atlantic Electronic Journal of Mathematics 1 British Journal for the History of Mathematics all top 5 Fields 30 Approximations and expansions (41-XX) 23 Difference and functional equations (39-XX) 13 Functional analysis (46-XX) 9 Operator theory (47-XX) 7 Functions of a complex variable (30-XX) 6 History and biography (01-XX) 6 Real functions (26-XX) 5 Field theory and polynomials (12-XX) 4 Abstract harmonic analysis (43-XX) 4 Differential geometry (53-XX) 3 Number theory (11-XX) 3 Ordinary differential equations (34-XX) 3 Harmonic analysis on Euclidean spaces (42-XX) 3 General topology (54-XX) 2 Topological groups, Lie groups (22-XX) 2 Sequences, series, summability (40-XX) 2 Computer science (68-XX) 2 Information and communication theory, circuits (94-XX) 1 Mathematical logic and foundations (03-XX) 1 Combinatorics (05-XX) 1 Commutative algebra (13-XX) 1 Algebraic geometry (14-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Special functions (33-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Manifolds and cell complexes (57-XX) 1 Probability theory and stochastic processes (60-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 42 Publications have been cited 152 times in 94 Documents Cited by ▼ Year ▼ Müntz type theorems. I. Zbl 1181.41001Almira, J. M. 24 2007 Inverse closedness of approximation algebras. Zbl 1092.46033Almira, J. M.; Luther, U. 15 2006 On solutions of the Fréchet functional equation. Zbl 1118.39008Almira, Jose María; López-Moreno, Antonio Jesús 11 2007 Generalized approximation spaces and applications. Zbl 1118.41017Almira, Jose Maria; Luther, Uwe 10 2004 Montel’s theorem and subspaces of distributions which are \(\Delta^m\)-invariant. Zbl 1327.47005Almira, J. M. 8 2014 Approximation schemes satisfying Shapiro’s theorem. Zbl 1242.41017Almira, J. M.; Oikhberg, T. 6 2012 On Montel’s theorem in several variables. Zbl 1349.47007Almira, J. M.; Abu-Helaiel, Kh. F. 5 2015 Local polynomials and the Montel theorem. Zbl 1321.43007Almira, Jose Maria; Székelyhidi, László 5 2015 On Montel and Montel-Popoviciu theorems in several variables. Zbl 1337.47051Aksoy, A. G.; Almira, J. M. 5 2015 Montel-type theorems for exponential polynomials. Zbl 1344.43002Almira, J. M.; Székelyhidi, L. 4 2016 On polynomial functions on non-commutative groups. Zbl 1382.22003Almira, J. M.; Shulman, E. V. 4 2018 Compactness and generalized approximation spaces. Zbl 1076.41020Almira, J. M.; Luther, U. 4 2002 A note on invariant subspaces and the solution of some classical functional equations. Zbl 1389.46027Almira, Jose María; Abu-Helaiel, Khader Faiez 3 2013 On certain generalizations of the Levi-Civita and Wilson functional equations. Zbl 1382.43006Almira, J. M.; Shulman, E. V. 3 2017 On Loewner’s characterization of polynomials. Zbl 1377.26014Almira, José M. 3 2016 On solutions of \(f(x)+f(a_1 x)+\dots+f(a_N x)=0\) and related equations. Zbl 1313.39033Almira, J. M.; Abu-Helaiel, Kh. F. 3 2012 Shapiro’s theorem for subspaces. Zbl 1236.41021Almira, J. M.; Oikhberg, T. 3 2012 Approximation algebra and applications. Zbl 1070.46012Almira, J. M.; Luther, U. 3 2001 Some remarks on negative results in approximation theory. Zbl 1012.41013Almira, J. M.; Del Toro, N. 3 2002 Invariance of the stability of Meissner’s equation under a permutation of its intervals. Zbl 1105.34312Almira, J. M.; Torres, P. J. 2 2001 On Popoviciu-Ionescu functional equation. Zbl 1369.39020Almira, Jose M. 2 2016 On Shapiro’s lethargy theorem and some applications. Zbl 1379.41019Aksoy, Asuman G.; Almira, José M. 2 2014 Characterization of polynomials as solutions of certain functional equations. Zbl 1379.39013Almira, J. M. 2 2018 A note on classical and \(p\)-adic Fréchet functional equations with restrictions. Zbl 1264.39021Almira, J. M. 2 2013 A note on monomials. Zbl 1279.39009Almira, Jose María; Abu-Helaiel, Khader Faiez 2 2013 Negative results for approximation using single layer and multilayer feedforward neural networks. Zbl 07309692Almira, J. M.; Lopez-de-Teruel, P. E.; Romero-López, D. J.; Voiglaender, F. 2 2021 A \(p\)-adic Montel theorem and locally polynomial functions. Zbl 1462.39019Almira, J. M.; Abu-Helaiel, Kh. F. 1 2014 How distant is the ideal filter of being a causal one? Zbl 1291.42009Almira, J. M.; Romero, A. E. 1 2008 Characterization of classes of polynomial functions. Zbl 1336.43006Almira, J. M.; Székelyhidi, L. 1 2016 Characterization of functions whose forward differences are exponential polynomials. Zbl 1463.39048Almira, J. M. 1 2017 Yet another application of the Gauss-Bonnet theorem for the sphere. Zbl 1127.53004Almira, J. M.; Romero, A. 1 2007 A qualitative description of graphs of discontinuous polynomial functions. Zbl 1312.47046Almira, J. M.; Abu-Helaiel, Kh. F. 1 2015 Some Riemannian geometric proofs of the fundamental theorem of algebra. Zbl 1246.12001Almira, Jose Maria; Romero, Alfonso 1 2012 On strict inclusion relations between approximation and interpolation spaces. Zbl 1222.41046Almira, Jose María 1 2011 Convergence and compactness in Besov spaces. Zbl 0932.46023Almira, J. M.; Perez Acosta, F. 1 1998 An ultrametric lethargy result and its application to \(p\)-adic number theory. Zbl 1290.46066Almira, J. M. 1 2013 Characterizing polynomials by forward differences. Zbl 1022.39021Almira, Jose María; López-Moreno, Antonio Jesús 1 2003 On negative results in approximation theory. Zbl 1089.41030Almira, J. M.; Del Toro, N. 1 2004 An application of the Gelfand-Mazur theorem: the fundamental theorem of algebra revisited. Zbl 1093.12001Almira, J. M. 1 2005 On Müntz theorem for countable compact sets. Zbl 1123.41004Almira, J. M. 1 2006 Discretization and best approximation in Besov spaces. Zbl 0947.41022Almira, J. M.; Pérez Acosta, F. 1 1999 On slow decay of Peetre’s \(K\)-functional. Zbl 1457.41007Almira, J. M.; Fernández-Martínez, P. 1 2021 Negative results for approximation using single layer and multilayer feedforward neural networks. Zbl 07309692Almira, J. M.; Lopez-de-Teruel, P. E.; Romero-López, D. J.; Voiglaender, F. 2 2021 On slow decay of Peetre’s \(K\)-functional. Zbl 1457.41007Almira, J. M.; Fernández-Martínez, P. 1 2021 On polynomial functions on non-commutative groups. Zbl 1382.22003Almira, J. M.; Shulman, E. V. 4 2018 Characterization of polynomials as solutions of certain functional equations. Zbl 1379.39013Almira, J. M. 2 2018 On certain generalizations of the Levi-Civita and Wilson functional equations. Zbl 1382.43006Almira, J. M.; Shulman, E. V. 3 2017 Characterization of functions whose forward differences are exponential polynomials. Zbl 1463.39048Almira, J. M. 1 2017 Montel-type theorems for exponential polynomials. Zbl 1344.43002Almira, J. M.; Székelyhidi, L. 4 2016 On Loewner’s characterization of polynomials. Zbl 1377.26014Almira, José M. 3 2016 On Popoviciu-Ionescu functional equation. Zbl 1369.39020Almira, Jose M. 2 2016 Characterization of classes of polynomial functions. Zbl 1336.43006Almira, J. M.; Székelyhidi, L. 1 2016 On Montel’s theorem in several variables. Zbl 1349.47007Almira, J. M.; Abu-Helaiel, Kh. F. 5 2015 Local polynomials and the Montel theorem. Zbl 1321.43007Almira, Jose Maria; Székelyhidi, László 5 2015 On Montel and Montel-Popoviciu theorems in several variables. Zbl 1337.47051Aksoy, A. G.; Almira, J. M. 5 2015 A qualitative description of graphs of discontinuous polynomial functions. Zbl 1312.47046Almira, J. M.; Abu-Helaiel, Kh. F. 1 2015 Montel’s theorem and subspaces of distributions which are \(\Delta^m\)-invariant. Zbl 1327.47005Almira, J. M. 8 2014 On Shapiro’s lethargy theorem and some applications. Zbl 1379.41019Aksoy, Asuman G.; Almira, José M. 2 2014 A \(p\)-adic Montel theorem and locally polynomial functions. Zbl 1462.39019Almira, J. M.; Abu-Helaiel, Kh. F. 1 2014 A note on invariant subspaces and the solution of some classical functional equations. Zbl 1389.46027Almira, Jose María; Abu-Helaiel, Khader Faiez 3 2013 A note on classical and \(p\)-adic Fréchet functional equations with restrictions. Zbl 1264.39021Almira, J. M. 2 2013 A note on monomials. Zbl 1279.39009Almira, Jose María; Abu-Helaiel, Khader Faiez 2 2013 An ultrametric lethargy result and its application to \(p\)-adic number theory. Zbl 1290.46066Almira, J. M. 1 2013 Approximation schemes satisfying Shapiro’s theorem. Zbl 1242.41017Almira, J. M.; Oikhberg, T. 6 2012 On solutions of \(f(x)+f(a_1 x)+\dots+f(a_N x)=0\) and related equations. Zbl 1313.39033Almira, J. M.; Abu-Helaiel, Kh. F. 3 2012 Shapiro’s theorem for subspaces. Zbl 1236.41021Almira, J. M.; Oikhberg, T. 3 2012 Some Riemannian geometric proofs of the fundamental theorem of algebra. Zbl 1246.12001Almira, Jose Maria; Romero, Alfonso 1 2012 On strict inclusion relations between approximation and interpolation spaces. Zbl 1222.41046Almira, Jose María 1 2011 How distant is the ideal filter of being a causal one? Zbl 1291.42009Almira, J. M.; Romero, A. E. 1 2008 Müntz type theorems. I. Zbl 1181.41001Almira, J. M. 24 2007 On solutions of the Fréchet functional equation. Zbl 1118.39008Almira, Jose María; López-Moreno, Antonio Jesús 11 2007 Yet another application of the Gauss-Bonnet theorem for the sphere. Zbl 1127.53004Almira, J. M.; Romero, A. 1 2007 Inverse closedness of approximation algebras. Zbl 1092.46033Almira, J. M.; Luther, U. 15 2006 On Müntz theorem for countable compact sets. Zbl 1123.41004Almira, J. M. 1 2006 An application of the Gelfand-Mazur theorem: the fundamental theorem of algebra revisited. Zbl 1093.12001Almira, J. M. 1 2005 Generalized approximation spaces and applications. Zbl 1118.41017Almira, Jose Maria; Luther, Uwe 10 2004 On negative results in approximation theory. Zbl 1089.41030Almira, J. M.; Del Toro, N. 1 2004 Characterizing polynomials by forward differences. Zbl 1022.39021Almira, Jose María; López-Moreno, Antonio Jesús 1 2003 Compactness and generalized approximation spaces. Zbl 1076.41020Almira, J. M.; Luther, U. 4 2002 Some remarks on negative results in approximation theory. Zbl 1012.41013Almira, J. M.; Del Toro, N. 3 2002 Approximation algebra and applications. Zbl 1070.46012Almira, J. M.; Luther, U. 3 2001 Invariance of the stability of Meissner’s equation under a permutation of its intervals. Zbl 1105.34312Almira, J. M.; Torres, P. J. 2 2001 Discretization and best approximation in Besov spaces. Zbl 0947.41022Almira, J. M.; Pérez Acosta, F. 1 1999 Convergence and compactness in Besov spaces. Zbl 0932.46023Almira, J. M.; Perez Acosta, F. 1 1998 all cited Publications top 5 cited Publications all top 5 Cited by 128 Authors 21 Almira, Jose María 5 Park, Choonkil 4 Székelyhidi, László 3 Ait-Haddou, Rachid 3 Aksoy, Asuman Güven 3 Cobos, Fernando 3 Klotz, Andreas 3 Oikhberg, Timur 3 Shulman, Ekaterina V. 2 Bahmanpour, Maryam 2 Baklouti, Ali 2 Dominguez, Oscar 2 Kühn, Thomas 2 Lefèvre, Pascal 2 Ludkovsky, Sergey Victor 2 Luther, Uwe 2 Maleki, Mohammad Reza 2 Mazure, Marie-Laurence 2 Molla, Arman 2 Najati, Abbas 2 Nguyen Van Dung 2 Nicolay, Samuel 2 Okeke, Chisom Prince 2 Sablik, Maciej 2 Sepulcre, Juan Matias 2 Sintunavarat, Wutiphol 2 Tavassoli-Kajani, Majid 2 Vidal, Tomás 1 Abu-Helaiel, Khader Faiez 1 Aichinger, Erhard 1 Alansari, Monairah Omar 1 Alikhanov, Anatoliĭ Alievich 1 Ayed, Sabria Ben 1 Bahyrycz, Anna 1 Baskakov, Anatoliĭ Grigor’evich 1 Benjemaa, Mondher 1 Bermúdez, Teresa 1 Bhatt, Subhash J. 1 Bodaghi, Abasalt 1 Bonilla, Antonio 1 Borodin, Petr A. 1 Boros, Zoltán 1 Botelho, Fernanda 1 Butzer, Paul Leo 1 Calabró, Francesco 1 Case, Caleb 1 Chaabouni, Mouna 1 Csörgő, Sándor 1 Cwikel, Michael 1 Derafshpour, Majid 1 Deutsch, Frank 1 Dmytryshyn, M. I. 1 Dmytryshyn, Marian 1 Dokuchaev, Nikolai G. 1 Dou, Xiaoling 1 Eslahchi, Mohammad Reza 1 Fabiani, Gianluca 1 Fageot, Julien 1 Fechner, Żywilla 1 Fricain, Emmanuel 1 Galkin, Valeriĭ Alekseevich 1 Gavrilenko, Taras Vladimirovich 1 Gribonval, Rémi 1 Gröchenig, Karlheinz 1 Hansen, Markus 1 Hatvani, László 1 Horváth, Ágota P. 1 Huang, Chengming 1 Hundal, Hein S. 1 Iurato, Giuseppe 1 Jaming, Philippe 1 Jang, Sunyoung 1 Khodaei, Hamid 1 Khosravian-Arab, Hassan 1 Khrennikov, Andreĭ Yur’evich 1 Kopecká, Eva 1 Krishtal, Ilya Arkadievich 1 Kulkarni, Sudhir Hanmantrao 1 Kutyniok, Gitta 1 Laczkovich, Miklós 1 Lahiani, Raza 1 Lee, Jung-Rye 1 Lewicki, Grzegorz 1 Li, Huiyuan 1 Lin, Gwo Dong 1 Lopez-de-Teruel, Pedro E. 1 López-Moreno, Antonio-Jesús 1 Lopushanski, Oleh V. 1 Ma, Suna 1 Ma, Zheng 1 Micu, Sorin 1 Moosbauer, Jakob 1 Nadhomi, Timothy 1 Negishi, Takanao 1 Nielsen, Morten 1 Nita, Constantin I. 1 Olko, Jolanta 1 Peng, Qidi 1 Pérez-Acosta, Francisco 1 Rassias, John Michael ...and 28 more Authors all top 5 Cited in 47 Serials 13 Journal of Mathematical Analysis and Applications 8 Journal of Approximation Theory 8 Aequationes Mathematicae 6 Constructive Approximation 5 Results in Mathematics 4 Mediterranean Journal of Mathematics 2 Applied Mathematics and Computation 2 Numerical Functional Analysis and Optimization 2 Applied Numerical Mathematics 2 Bulletin des Sciences Mathématiques 2 Complex Analysis and Operator Theory 2 Mathematics 1 Analysis Mathematica 1 Computer Methods in Applied Mechanics and Engineering 1 Ukrainian Mathematical Journal 1 Commentationes Mathematicae Universitatis Carolinae 1 Demonstratio Mathematica 1 Journal of Algebra 1 Journal of Computational and Applied Mathematics 1 Journal of Differential Equations 1 SIAM Journal on Control and Optimization 1 Chinese Annals of Mathematics. Series B 1 Statistics 1 Applied Mathematics Letters 1 Journal of the Ramanujan Mathematical Society 1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 1 Expositiones Mathematicae 1 SIAM Journal on Scientific Computing 1 Computational and Applied Mathematics 1 Turkish Journal of Mathematics 1 Complexity 1 The Journal of Fourier Analysis and Applications 1 Fractional Calculus & Applied Analysis 1 Acta Mathematica Sinica. English Series 1 Applied Sciences 1 Annales Mathematicae Silesianae 1 Discrete and Continuous Dynamical Systems. Series B 1 Comptes Rendus. Mathématique. Académie des Sciences, Paris 1 Analysis in Theory and Applications 1 Complex Variables and Elliptic Equations 1 \(p\)-Adic Numbers, Ultrametric Analysis, and Applications 1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 1 Carpathian Mathematical Publications 1 Journal of Function Spaces 1 Advances in Operator Theory 1 Vestnik KRAUNTS. Fiziko-Matematicheskie Nauki 1 Sampling Theory, Signal Processing, and Data Analysis all top 5 Cited in 34 Fields 33 Difference and functional equations (39-XX) 26 Approximations and expansions (41-XX) 25 Functional analysis (46-XX) 13 Operator theory (47-XX) 11 Harmonic analysis on Euclidean spaces (42-XX) 11 Numerical analysis (65-XX) 10 Functions of a complex variable (30-XX) 6 Abstract harmonic analysis (43-XX) 4 Topological groups, Lie groups (22-XX) 4 Ordinary differential equations (34-XX) 4 Partial differential equations (35-XX) 3 Integral equations (45-XX) 3 Computer science (68-XX) 2 Number theory (11-XX) 2 Field theory and polynomials (12-XX) 2 Group theory and generalizations (20-XX) 2 Real functions (26-XX) 2 Integral transforms, operational calculus (44-XX) 2 Probability theory and stochastic processes (60-XX) 2 Systems theory; control (93-XX) 1 History and biography (01-XX) 1 Combinatorics (05-XX) 1 Commutative algebra (13-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Special functions (33-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Sequences, series, summability (40-XX) 1 Differential geometry (53-XX) 1 General topology (54-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Statistics (62-XX) 1 Mechanics of particles and systems (70-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) Citations by Year