Edit Profile (opens in new tab) Berens, Hubert Anton (b. 1936 d. 2015) Co-Author Distance Author ID: berens.hubert Published as: Berens, H.; Berens, Hubert External Links: MGP · Wikidata · GND · IdRef Documents Indexed: 71 Publications since 1963, including 3 Books Biographic References: 1 Publication Co-Authors: 21 Co-Authors with 58 Joint Publications 545 Co-Co-Authors all top 5 Co-Authors 13 single-authored 10 Xu, Yuan 9 Butzer, Paul Leo 6 Lorentz, Georg Gunther 6 Schmid, Hans Joachim 5 Westphal, Ursula 4 Berdysheva, Elena E. 4 Finzel, Martina 3 DeVore, Ronald A. 3 Hetzelt, L. 3 Li, Luoqing 3 zu Castell, Wolfgang 2 Nessel, Rolf Joachim 1 Alimov, Alexey R. 1 Arestov, Vitaliĭ Vladimirovich 1 Bartke, Klaus 1 Benz, Walter 1 Görlich, Ernst 1 Li, Wu 1 Li, Zhongkai 1 Nürnberger, Günther 1 Pawelke, Siegfried all top 5 Serials 8 Journal of Approximation Theory 3 Acta Scientiarum Mathematicarum 3 Results in Mathematics 3 Bulletin of the American Mathematical Society 3 Nederlandse Akademie van Wetenschappen. Proceedings. Series A. Indagationes Mathematicae 2 Archiv der Mathematik 2 Mathematische Annalen 2 Mathematische Nachrichten 2 Mathematische Zeitschrift 2 Tôhoku Mathematical Journal. Second Series 2 Aequationes Mathematicae 2 Indagationes Mathematicae. New Series 1 Acta Mathematica Academiae Scientiarum Hungaricae 1 Journal of Mathematical Analysis and Applications 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Rocky Mountain Journal of Mathematics 1 Acta Mathematica Sinica 1 Indiana University Mathematics Journal 1 Journal of Functional Analysis 1 Numerische Mathematik 1 Pacific Journal of Mathematics 1 Transactions of the American Mathematical Society 1 Approximation Theory and its Applications 1 Constructive Approximation 1 SIAM Journal on Mathematical Analysis 1 East Journal on Approximations 1 Grundlehren der Mathematischen Wissenschaften 1 Lecture Notes in Mathematics 1 Publications of the Research Institute for Mathematical Sciences, Series A 1 Schriftenreihe des Mathematischen Instituts der Universität Münster all top 5 Fields 36 Approximations and expansions (41-XX) 15 Harmonic analysis on Euclidean spaces (42-XX) 7 Operator theory (47-XX) 6 Functional analysis (46-XX) 4 Real functions (26-XX) 3 Special functions (33-XX) 3 Sequences, series, summability (40-XX) 2 Numerical analysis (65-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Difference and functional equations (39-XX) 1 Integral transforms, operational calculus (44-XX) 1 Calculus of variations and optimal control; optimization (49-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 60 Publications have been cited 1,159 times in 969 Documents Cited by ▼ Year ▼ Semi-groups of operators and approximation. Zbl 0164.43702 Butzer, Paul L.; Berens, H. 514 1967 Inverse theorems for Bernstein polynomials. Zbl 0262.41006 Berens, Hubert; Lorentz, George G. 76 1972 Limitierungsverfahren von Reihen mehrdimensionaler Kugelfunktionen und deren Saturationsverhalten. Zbl 0201.08402 Berens, H.; Butzer, Paul L.; Pawelke, S. 65 1968 On Bernstein-Durrmeyer polynomials with Jacobi weights. Zbl 0715.41013 Berens, H.; Xu, Y. 42 1991 Interpolationsmethoden zur Behandlung von Approximationsprozessen auf Banachräumen. Zbl 0164.43801 Berens, H. 39 1968 \(l-1\) summability of multiple Fourier integrals and positivity. Zbl 0881.42007 Berens, Hubert; Xu, Yuan 29 1997 Theorems of Korovkin type for positive linear operators on Banach lattices. Zbl 0322.41017 Berens, H.; Lorentz, G. G. 28 1973 Geometric theory of Korovkin sets. Zbl 0322.41018 Berens, H.; Lorentz, G. G. 25 1975 Bernstein-Durrmeyer polynomials on a simplex. Zbl 0754.41005 Berens, H.; Schmid, H. J.; Xu, Y. 22 1992 Multivariate Gaussian cubature formulae. Zbl 0814.41022 Berens, H.; Schmid, H. J.; Xu, Y. 19 1995 \(K\)-moduli, moduli of smoothness, and Bernstein polynomials on a simplex. Zbl 0763.41016 Berens, H.; Xu, Y. 19 1991 A contribution to a theorem of Ulam and Mazur. Zbl 0651.46022 Benz, Walter; Berens, Hubert 17 1987 Quantitative Korovkin theorems for positive linear operators on \(L_p\)- spaces. Zbl 0397.41010 Berens, H.; De Vore, R. 16 1978 Fejér means for multivariate Fourier series. Zbl 0904.42009 Berens, Hubert; Xu, Yuan 15 1996 Representation of fractional powers of infinitesimal generators of semigroups. Zbl 0153.45203 Berens, H.; Butzer, Paul L.; Westphal, U. 15 1968 On \(\ell-1\) Riesz summability of the inverse Fourier integral. Zbl 0988.42009 Berens, Hubert; Li, Zhongkai; Xu, Yuan 13 2001 A Cauchy problem for a generalized wave equation. Zbl 0182.13502 Berens, H.; Westphal, U. 13 1968 Quantitative Korovkin theorems for \(L_p\)-spaces. Zbl 0345.41013 Berens, H.; DeVore, R. A. 11 1976 A continuous selection of the metric projection in matrix spaces. Zbl 0642.41023 Berens, H.; Finzel, M. 11 1987 Die Metrische Struktur der Sonnen in \(l_{\infty}(n)\). Zbl 0544.41025 Berens, H.; Hetzelt, L. 11 1984 Sequences of contractions on L\(^1\)-spaces. Zbl 0283.47029 Berens, H.; Lorentz, G. G. 10 1974 On Bernstein-Durrmeyer polynomials with Jacobi-weights: The cases \(p=1\) and \(p=\infty\). Zbl 0794.41013 Berens, Hubert 10 1991 A characterization of Bernstein polynomials. Zbl 0483.41016 Berens, H.; DeVore, R. 9 1980 Hypergeometric functions as a tool for summability of the Fourier integral. Zbl 0908.33003 Berens, Hubert; zu Castell, Wolfgang 8 1998 Approximationssätze für Halbgruppenoperatoren in intermediären Räumen. Zbl 0124.06604 Berens, H. 7 1964 Equivalent representations for the infinitesimal generator of higher orders in semi-group theory. Zbl 0135.36701 Berens, H. 7 1965 Approximation theorems for semigroup operators in intermediate spaces. Zbl 0202.42403 Berens, H.; Butzer, Paul L. 7 1964 On pointwise Turan’s problem for positive definite functions. Zbl 1110.42301 Arestov, V. V.; Berdysheva, E. E.; Berens, H. 7 2003 Eine Beschreibung der Nichteindeutigkeitsmenge für die beste Approximation in der Euklidischen Ebene. (A description of the nonuniqueness set for the best approximation in the Euclidean plane). Zbl 0619.41020 Bartke, K.; Berens, H. 6 1986 On two-dimensional definite orthogonal systems and a lower bound for the number of nodes of associated cubature formulae. Zbl 0819.41028 Berens, H.; Schmid, H. J.; Xu, Y. 6 1995 On the best co-approximation in a Hilbert space. Zbl 0484.41038 Berens, H.; Westphal, U. 6 1980 Best approximation in Hilbert space. Zbl 0487.41040 Berens, Hubert 6 1980 Über die beste Approximation im \({\mathbb{R}}^ n\). Zbl 0541.41025 Berens, Hubert 6 1982 Pointwise saturation of positive operators. Zbl 0262.41017 Berens, Hubert 5 1972 On the de la Vallée-Poussin means on the sphere. Zbl 0781.41011 Berens, Hubert; Li, Luoqing 5 1993 Über die Darstellung holomorpher Funktionen durch Laplace- und Laplace- Stieltjes-Integrale. Zbl 0115.09802 Berens, H.; Butzer, Paul L. 4 1963 Über einen Darstellungssatz für Funktionen als Fourierintegrale und Anwendungen in der Fourieranalysis. Zbl 0163.35503 Berens, H.; Görlich, E. 4 1966 Zur Charakterisierung von Ableitungen nichtganzer Ordnung im Rahmen der Laplace-Transformation. Zbl 0181.39401 Berens, H.; Westphal, U. 4 1968 On the number of nodes of odd degree cubature formulae for integrals with Jacobi weights on a simplex. Zbl 0751.41024 Berens, H.; Schmid, H. J. 4 1992 The Peetre \(K\)-moduli and best approximation on the sphere. Zbl 0838.46026 Berens, Hubert; Li, Luoqing 3 1995 On a Turán problem for \(\ell-1\)-radial, positive-definite functions. (Über ein Turánsches Problem für \(\ell-1\) radiale, positiv definite Funktionen.) Zbl 1096.42002 Berdysheva, Elena E.; Berens, Hubert 3 2005 Contributions to the theory of saturation for singular integrals in several variables. IV: Product kernels and n-parameter approximation. Zbl 0176.34701 Berens, H.; Nessel, Rolf Joachim 3 1968 Contributions to the theory of saturation for singular integrals in several variables. V: Saturation in \(L_ p(E^ n)\), \(2<p<\infty\). Zbl 0183.33001 Berens, H.; Nessel, Rolf Joachim 3 1969 Ein Problem über die beste Approximation in Hilberträumen. Zbl 0503.41020 Berens, Hubert 3 1981 Korovkin theorems for sequences of contractions on \(L^p\)-spaces. Zbl 0316.41018 Berens, Hubert; Lorentz, George G. 2 1974 Convergence of positive operators. Zbl 0351.41011 Berens, H.; Lorentz, G. G. 2 1976 Kodissipative metrische Projektionen in normierten linearen Räumen. Zbl 0373.46036 Berens, H.; Westphal, U. 2 1978 \(l\)-\(1\) Riesz means of the inverse Fourier integral. Zbl 1137.42305 Berens, Hubert; Xu, Yuan 2 1995 A problem in linear matrix approximation. Zbl 0838.47015 Berens, H.; Finzel, M. 2 1995 Über die Darstellung vektorwertiger holomorpher Funktionen durch Laplace-Integrale. Zbl 0127.06002 Berens, H.; Butzer, Paul L. 2 1965 On the saturation theorem for the Cesàro means of Fourier series. Zbl 0207.06903 Berens, H. 2 1970 Examples of Chebyshev sets in matrix spaces. Zbl 0943.41015 Alimov, A. R.; Berens, H. 1 1999 On the approximation of Fourier series by Abel means. Zbl 0262.42010 Berens, Hubert 1 1972 Nonuniqueness and selections in spline approximation. Zbl 0685.41010 Berens, H.; Nürnberger, G. 1 1990 On maximally accretive operators in the plane. Zbl 0594.47045 Berens, H.; Hetzelt, L. 1 1984 An example of a Chebyshev set, the complex case. Zbl 0687.41025 Berens, H.; Schmid, H. J. 1 1989 On accretive operators on \(\ell _ n^{\infty}\). Zbl 0641.47056 Berens, H.; Hetzelt, L. 1 1986 Hoffman’s error bounds and uniform Lipschitz continuity of best \(l_ p\)-approximations. Zbl 0891.41016 Berens, H.; Finzel, M.; Li, W.; Xu, Y. 1 1997 Über die Stetigkeit von Halbgruppen von Operatoren in intermediären Räumen. Zbl 0134.11902 Berens, H.; Butzer, Paul L. 1 1966 On a Turán problem for \(\ell-1\)-radial, positive-definite functions. II. (Über ein Turánsches Problem für \(\ell -1\) radiale, positiv definite Funktionen. II.) Zbl 1188.42002 Berdysheva, Elena E.; Berens, Hubert 1 2009 On a Turán problem for \(\ell-1\)-radial, positive-definite functions. II. (Über ein Turánsches Problem für \(\ell -1\) radiale, positiv definite Funktionen. II.) Zbl 1188.42002 Berdysheva, Elena E.; Berens, Hubert 1 2009 On a Turán problem for \(\ell-1\)-radial, positive-definite functions. (Über ein Turánsches Problem für \(\ell-1\) radiale, positiv definite Funktionen.) Zbl 1096.42002 Berdysheva, Elena E.; Berens, Hubert 3 2005 On pointwise Turan’s problem for positive definite functions. Zbl 1110.42301 Arestov, V. V.; Berdysheva, E. E.; Berens, H. 7 2003 On \(\ell-1\) Riesz summability of the inverse Fourier integral. Zbl 0988.42009 Berens, Hubert; Li, Zhongkai; Xu, Yuan 13 2001 Examples of Chebyshev sets in matrix spaces. Zbl 0943.41015 Alimov, A. R.; Berens, H. 1 1999 Hypergeometric functions as a tool for summability of the Fourier integral. Zbl 0908.33003 Berens, Hubert; zu Castell, Wolfgang 8 1998 \(l-1\) summability of multiple Fourier integrals and positivity. Zbl 0881.42007 Berens, Hubert; Xu, Yuan 29 1997 Hoffman’s error bounds and uniform Lipschitz continuity of best \(l_ p\)-approximations. Zbl 0891.41016 Berens, H.; Finzel, M.; Li, W.; Xu, Y. 1 1997 Fejér means for multivariate Fourier series. Zbl 0904.42009 Berens, Hubert; Xu, Yuan 15 1996 Multivariate Gaussian cubature formulae. Zbl 0814.41022 Berens, H.; Schmid, H. J.; Xu, Y. 19 1995 On two-dimensional definite orthogonal systems and a lower bound for the number of nodes of associated cubature formulae. Zbl 0819.41028 Berens, H.; Schmid, H. J.; Xu, Y. 6 1995 The Peetre \(K\)-moduli and best approximation on the sphere. Zbl 0838.46026 Berens, Hubert; Li, Luoqing 3 1995 \(l\)-\(1\) Riesz means of the inverse Fourier integral. Zbl 1137.42305 Berens, Hubert; Xu, Yuan 2 1995 A problem in linear matrix approximation. Zbl 0838.47015 Berens, H.; Finzel, M. 2 1995 On the de la Vallée-Poussin means on the sphere. Zbl 0781.41011 Berens, Hubert; Li, Luoqing 5 1993 Bernstein-Durrmeyer polynomials on a simplex. Zbl 0754.41005 Berens, H.; Schmid, H. J.; Xu, Y. 22 1992 On the number of nodes of odd degree cubature formulae for integrals with Jacobi weights on a simplex. Zbl 0751.41024 Berens, H.; Schmid, H. J. 4 1992 On Bernstein-Durrmeyer polynomials with Jacobi weights. Zbl 0715.41013 Berens, H.; Xu, Y. 42 1991 \(K\)-moduli, moduli of smoothness, and Bernstein polynomials on a simplex. Zbl 0763.41016 Berens, H.; Xu, Y. 19 1991 On Bernstein-Durrmeyer polynomials with Jacobi-weights: The cases \(p=1\) and \(p=\infty\). Zbl 0794.41013 Berens, Hubert 10 1991 Nonuniqueness and selections in spline approximation. Zbl 0685.41010 Berens, H.; Nürnberger, G. 1 1990 An example of a Chebyshev set, the complex case. Zbl 0687.41025 Berens, H.; Schmid, H. J. 1 1989 A contribution to a theorem of Ulam and Mazur. Zbl 0651.46022 Benz, Walter; Berens, Hubert 17 1987 A continuous selection of the metric projection in matrix spaces. Zbl 0642.41023 Berens, H.; Finzel, M. 11 1987 Eine Beschreibung der Nichteindeutigkeitsmenge für die beste Approximation in der Euklidischen Ebene. (A description of the nonuniqueness set for the best approximation in the Euclidean plane). Zbl 0619.41020 Bartke, K.; Berens, H. 6 1986 On accretive operators on \(\ell _ n^{\infty}\). Zbl 0641.47056 Berens, H.; Hetzelt, L. 1 1986 Die Metrische Struktur der Sonnen in \(l_{\infty}(n)\). Zbl 0544.41025 Berens, H.; Hetzelt, L. 11 1984 On maximally accretive operators in the plane. Zbl 0594.47045 Berens, H.; Hetzelt, L. 1 1984 Über die beste Approximation im \({\mathbb{R}}^ n\). Zbl 0541.41025 Berens, Hubert 6 1982 Ein Problem über die beste Approximation in Hilberträumen. Zbl 0503.41020 Berens, Hubert 3 1981 A characterization of Bernstein polynomials. Zbl 0483.41016 Berens, H.; DeVore, R. 9 1980 On the best co-approximation in a Hilbert space. Zbl 0484.41038 Berens, H.; Westphal, U. 6 1980 Best approximation in Hilbert space. Zbl 0487.41040 Berens, Hubert 6 1980 Quantitative Korovkin theorems for positive linear operators on \(L_p\)- spaces. Zbl 0397.41010 Berens, H.; De Vore, R. 16 1978 Kodissipative metrische Projektionen in normierten linearen Räumen. Zbl 0373.46036 Berens, H.; Westphal, U. 2 1978 Quantitative Korovkin theorems for \(L_p\)-spaces. Zbl 0345.41013 Berens, H.; DeVore, R. A. 11 1976 Convergence of positive operators. Zbl 0351.41011 Berens, H.; Lorentz, G. G. 2 1976 Geometric theory of Korovkin sets. Zbl 0322.41018 Berens, H.; Lorentz, G. G. 25 1975 Sequences of contractions on L\(^1\)-spaces. Zbl 0283.47029 Berens, H.; Lorentz, G. G. 10 1974 Korovkin theorems for sequences of contractions on \(L^p\)-spaces. Zbl 0316.41018 Berens, Hubert; Lorentz, George G. 2 1974 Theorems of Korovkin type for positive linear operators on Banach lattices. Zbl 0322.41017 Berens, H.; Lorentz, G. G. 28 1973 Inverse theorems for Bernstein polynomials. Zbl 0262.41006 Berens, Hubert; Lorentz, George G. 76 1972 Pointwise saturation of positive operators. Zbl 0262.41017 Berens, Hubert 5 1972 On the approximation of Fourier series by Abel means. Zbl 0262.42010 Berens, Hubert 1 1972 On the saturation theorem for the Cesàro means of Fourier series. Zbl 0207.06903 Berens, H. 2 1970 Contributions to the theory of saturation for singular integrals in several variables. V: Saturation in \(L_ p(E^ n)\), \(2<p<\infty\). Zbl 0183.33001 Berens, H.; Nessel, Rolf Joachim 3 1969 Limitierungsverfahren von Reihen mehrdimensionaler Kugelfunktionen und deren Saturationsverhalten. Zbl 0201.08402 Berens, H.; Butzer, Paul L.; Pawelke, S. 65 1968 Interpolationsmethoden zur Behandlung von Approximationsprozessen auf Banachräumen. Zbl 0164.43801 Berens, H. 39 1968 Representation of fractional powers of infinitesimal generators of semigroups. Zbl 0153.45203 Berens, H.; Butzer, Paul L.; Westphal, U. 15 1968 A Cauchy problem for a generalized wave equation. Zbl 0182.13502 Berens, H.; Westphal, U. 13 1968 Zur Charakterisierung von Ableitungen nichtganzer Ordnung im Rahmen der Laplace-Transformation. Zbl 0181.39401 Berens, H.; Westphal, U. 4 1968 Contributions to the theory of saturation for singular integrals in several variables. IV: Product kernels and n-parameter approximation. Zbl 0176.34701 Berens, H.; Nessel, Rolf Joachim 3 1968 Semi-groups of operators and approximation. Zbl 0164.43702 Butzer, Paul L.; Berens, H. 514 1967 Über einen Darstellungssatz für Funktionen als Fourierintegrale und Anwendungen in der Fourieranalysis. Zbl 0163.35503 Berens, H.; Görlich, E. 4 1966 Über die Stetigkeit von Halbgruppen von Operatoren in intermediären Räumen. Zbl 0134.11902 Berens, H.; Butzer, Paul L. 1 1966 Equivalent representations for the infinitesimal generator of higher orders in semi-group theory. Zbl 0135.36701 Berens, H. 7 1965 Über die Darstellung vektorwertiger holomorpher Funktionen durch Laplace-Integrale. Zbl 0127.06002 Berens, H.; Butzer, Paul L. 2 1965 Approximationssätze für Halbgruppenoperatoren in intermediären Räumen. Zbl 0124.06604 Berens, H. 7 1964 Approximation theorems for semigroup operators in intermediate spaces. Zbl 0202.42403 Berens, H.; Butzer, Paul L. 7 1964 Über die Darstellung holomorpher Funktionen durch Laplace- und Laplace- Stieltjes-Integrale. Zbl 0115.09802 Berens, H.; Butzer, Paul L. 4 1963 all cited Publications top 5 cited Publications all top 5 Cited by 873 Authors 29 Butzer, Paul Leo 22 Berens, Hubert Anton 21 Xu, Yuan 14 Ditzian, Zeev 14 Nessel, Rolf Joachim 12 Agrawal, Purshottam Narain 12 Weisz, Ferenc 11 Görlich, Ernst 11 Pesenson, Isaac Zalmanovich 10 Berdysheva, Elena E. 10 Robinson, Derek William 10 Stens, Rudolf L. 9 Di Blasio, Gabriella 9 van Neerven, Jan M. A. M. 9 Westphal, Ursula 9 Zhou, Xinlong 8 Alimov, Alexey R. 8 Cao, Feilong 8 Cobos, Fernando 8 Nishishiraho, Toshihiko 8 Shaw, Sen-Yen 8 Sinestrari, Eugenio 7 Anastassiou, George Angelos 7 Bardaro, Carlo 7 Gonska, Heinz Herbert 7 Jung, Soon-Mo 7 Savaré, Giuseppe 7 Sheng, Baohuai 7 Zhou, Dingxuan 6 Bragg, Louis R. 6 Jeong, Jin-Mun 6 Lunardi, Alessandra 6 Mantellini, Ilaria 6 Pfeifer, Dietmar 6 Trebels, Walter 6 Tsar’kov, Igor’ Germanovich 5 Acu, Ana Maria 5 Daher, Radouan 5 Dickmeis, Werner 5 Goldberg, Maxim J. 5 Kunisch, Karl 5 Li, Bingzheng 5 Rubin, Boris 5 Scherer, Karl 5 Totik, Vilmos 5 Triebel, Hans 5 Triggiani, Roberto 5 Voigt, Jurgen 5 Wang, Yuguang 5 zu Castell, Wolfgang 4 Acquistapace, Paolo 4 Bennett, Colin 4 Bramble, James H. 4 Campiti, Michele 4 Dai, Feng 4 Diekmann, Odo 4 Donner, Klaus 4 Draganov, Borislav R. 4 ElMennaoui, Omar 4 Feher, Franziska 4 Gilbert, John E. 4 Heilmann, Margareta 4 Hinz, Michael 4 Ivanov, Kamen G. 4 Johnen, Hans 4 Kajla, Arun 4 Keyantuo, Valentin 4 Kim, Seonja 4 Krantz, Steven George 4 Li, Song 4 Lorentz, Georg Gunther 4 Müller, Manfred W. 4 Pontzen, Dieter 4 Rasa, Ioan 4 Sauer, Tomas 4 Schmid, Hans Joachim 4 Terreni, Brunello 4 van Wickeren, Erich 4 Waldron, Shayne F. D. 4 Xie, Linsen 4 Ziętak, Krystyna 3 Acar, Tuncer 3 Altomare, Francesco 3 Baxhaku, Behar 3 Becker, Michael 3 Bratteli, Ola 3 Brauchart, Johann S. 3 Bustamante González, Jorge 3 Cárdenas-Morales, Daniel 3 Clément, Philippe J. E. 3 De Blasi, Francesco Saverio 3 Della Vecchia, Biancamaria 3 Dreseler, Bernd 3 El Ouadih, Salah 3 Feichtinger, Hans Georg 3 Freeden, Willi 3 Gadjev, Ivan 3 Garrancho, Pedro 3 Grundmann, Axel 3 Gupta, Vijay ...and 773 more Authors all top 5 Cited in 204 Serials 126 Journal of Approximation Theory 65 Journal of Mathematical Analysis and Applications 41 Journal of Functional Analysis 30 Results in Mathematics 25 Mathematische Zeitschrift 21 Mathematische Annalen 19 Journal of Differential Equations 17 Proceedings of the American Mathematical Society 17 Transactions of the American Mathematical Society 17 Constructive Approximation 16 Semigroup Forum 15 Mathematical Notes 15 Annali di Matematica Pura ed Applicata. Serie Quarta 14 Tôhoku Mathematical Journal. Second Series 14 Journal of Inequalities and Applications 13 Numerical Functional Analysis and Optimization 12 Analysis Mathematica 12 Acta Mathematica Hungarica 11 Israel Journal of Mathematics 9 Computers & Mathematics with Applications 9 Archiv der Mathematik 9 Journal of Computational and Applied Mathematics 9 Linear Algebra and its Applications 9 The Journal of Fourier Analysis and Applications 8 Rocky Mountain Journal of Mathematics 8 Ukrainian Mathematical Journal 8 Manuscripta Mathematica 8 Mediterranean Journal of Mathematics 7 Mathematics of Computation 7 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie IV 7 Applied Mathematics and Computation 7 Monatshefte für Mathematik 7 Aequationes Mathematicae 7 Abstract and Applied Analysis 6 Indagationes Mathematicae. New Series 6 Analysis in Theory and Applications 5 Applicable Analysis 5 Periodica Mathematica Hungarica 5 Arkiv för Matematik 5 Journal of Soviet Mathematics 5 Acta Applicandae Mathematicae 5 Journal of Complexity 5 Bulletin of the American Mathematical Society 5 Journal of Mathematical Inequalities 5 Nonlinear Analysis. Theory, Methods & Applications 4 Acta Mathematica Academiae Scientiarum Hungaricae 4 Journal of Mathematical Physics 4 Compositio Mathematica 4 Czechoslovak Mathematical Journal 4 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 4 Numerische Mathematik 4 Statistics & Probability Letters 4 Applied Mathematics Letters 4 The Journal of Geometric Analysis 4 Applied and Computational Harmonic Analysis 4 Journal of Mathematical Sciences (New York) 4 Advances in Computational Mathematics 4 Acta Mathematica Sinica. English Series 4 Journal of Evolution Equations 4 Complex Analysis and Operator Theory 4 Constructive Mathematical Analysis 3 Bulletin of the Australian Mathematical Society 3 Communications in Mathematical Physics 3 International Journal of Control 3 Journal d’Analyse Mathématique 3 Mathematical Methods in the Applied Sciences 3 Annales de l’Institut Fourier 3 Calcolo 3 Computing 3 Integral Equations and Operator Theory 3 Journal of Multivariate Analysis 3 Mathematische Nachrichten 3 Siberian Mathematical Journal 3 Acta Mathematicae Applicatae Sinica. English Series 3 Numerical Algorithms 3 Potential Analysis 3 Fractional Calculus & Applied Analysis 2 Archive for Rational Mechanics and Analysis 2 Journal of Applied Mathematics and Mechanics 2 Mathematical Proceedings of the Cambridge Philosophical Society 2 Advances in Mathematics 2 The Annals of Statistics 2 Functional Analysis and its Applications 2 Memoirs of the American Mathematical Society 2 Proceedings of the Edinburgh Mathematical Society. Series II 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Rendiconti del Seminario Matematico della Università di Padova 2 Annales de la Faculté des Sciences de Toulouse. Série V. Mathématiques 2 Zeitschrift für Analysis und ihre Anwendungen 2 Computer Aided Geometric Design 2 Applied Numerical Mathematics 2 Revista Matemática Iberoamericana 2 Journal of Theoretical Probability 2 Journal of Integral Equations and Applications 2 Stochastic Hydrology and Hydraulics 2 Communications in Partial Differential Equations 2 Journal de Mathématiques Pures et Appliquées. Neuvième Série 2 Acta Mathematica Sinica. New Series 2 Applied Mathematics. Series B (English Edition) 2 Filomat ...and 104 more Serials all top 5 Cited in 47 Fields 406 Approximations and expansions (41-XX) 236 Operator theory (47-XX) 212 Functional analysis (46-XX) 139 Harmonic analysis on Euclidean spaces (42-XX) 115 Partial differential equations (35-XX) 64 Numerical analysis (65-XX) 55 Real functions (26-XX) 52 Probability theory and stochastic processes (60-XX) 46 Special functions (33-XX) 46 Ordinary differential equations (34-XX) 38 Abstract harmonic analysis (43-XX) 38 Integral equations (45-XX) 33 Integral transforms, operational calculus (44-XX) 21 Sequences, series, summability (40-XX) 16 Calculus of variations and optimal control; optimization (49-XX) 16 Statistics (62-XX) 16 Fluid mechanics (76-XX) 15 Topological groups, Lie groups (22-XX) 15 Systems theory; control (93-XX) 14 Computer science (68-XX) 13 Linear and multilinear algebra; matrix theory (15-XX) 12 Potential theory (31-XX) 12 Biology and other natural sciences (92-XX) 11 Global analysis, analysis on manifolds (58-XX) 10 Information and communication theory, circuits (94-XX) 9 Several complex variables and analytic spaces (32-XX) 8 Functions of a complex variable (30-XX) 8 Convex and discrete geometry (52-XX) 7 Geometry (51-XX) 7 Mechanics of deformable solids (74-XX) 6 Group theory and generalizations (20-XX) 6 Difference and functional equations (39-XX) 5 Dynamical systems and ergodic theory (37-XX) 4 History and biography (01-XX) 4 Measure and integration (28-XX) 4 General topology (54-XX) 4 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 3 Combinatorics (05-XX) 2 Number theory (11-XX) 2 Quantum theory (81-XX) 2 Statistical mechanics, structure of matter (82-XX) 2 Geophysics (86-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Field theory and polynomials (12-XX) 1 Nonassociative rings and algebras (17-XX) 1 Differential geometry (53-XX) 1 Operations research, mathematical programming (90-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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