## Journal of Approximation Theory

 Short Title: J. Approx. Theory Publisher: Elsevier (Academic Press), San Diego, CA ISSN: 0021-9045 Online: http://www.sciencedirect.com/science/journal/00219045 Comments: Indexed cover-to-cover
 Documents Indexed: 5,040 Publications (since 1968) References Indexed: 4,498 Publications with 68,832 References.
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### Latest Issues

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### Authors

 56 Dunham, Charles B. 45 Lubinsky, Doron S. 40 Shi, Yingguang 38 Shisha, Oved 37 Saff, Edward Barry 34 Nevai, Paul G. 33 Chui, Charles Kam-tai 33 Leviatan, Dany 32 Deutsch, Frank 32 Ditzian, Zeev 32 Totik, Vilmos 31 Van Assche, Walter 30 Kroó, András 28 Duran, Antonio J. 26 Newman, Donald J. 26 Taylor, Gerald D. 26 Xu, Yuan 25 de Boor, Carl 25 Erdélyi, Tamás 25 Schumaker, Larry L. 24 Henry, Myron Stanley 24 Marcellán Español, Francisco 24 Reddy, A. R. 23 Pinkus, Allan M. 23 Roulier, John A. 21 Braess, Dietrich 21 López Lagomasino, Guillermo Tomás 21 Swetits, John J. 20 Kuijlaars, Arno B. J. 20 Szabados, Jozsef 20 Zalik, Richard A. 19 Goodman, Timothy N. T. 19 Zhou, Dingxuan 18 Andrievskii, Vladimir V. 18 Blatt, Hans-Peter 18 Dyn, Nira 18 Peherstorfer, Franz 18 Sommer, Manfred 18 Varma, Arun Kumar 17 Bos, Len P. 17 Butzer, Paul Leo 17 Geronimo, Jeffrey S. 16 Lewicki, Grzegorz 16 Martínez-Finkelshtein, Andrei 15 Chalmers, Bruce Longworthy 15 Ismail, Mourad El-Houssieny 15 Loeb, Henry L. 15 Lorentz, Georg Gunther 15 Mhaskar, Hrushikesh N. 15 Nürnberger, Günther 15 Ubhaya, Vasant A. 15 Ward, Joseph Dinneen 14 Borwein, Peter Benjamin 14 Boyanov, Borislav Dechev 14 Kopotun, Kirill A. 14 Li, Chong 14 Mastroianni, Giuseppe 14 Passow, Eli 14 Schmidt, Darrell 14 Sharma, Ambikeshwar 14 Wang, Heping 13 Bartelt, Martin W. 13 Cheney, Elliott Ward jun. 13 Golinskii, Leonid Borisovich 13 Light, William A. 13 Micchelli, Charles A. 13 Quesada, José María 13 Shekhtman, Boris 13 Shevchuk, Igor A. 13 Smarzewski, Ryszard 13 Strauss, Hans 13 Varga, Richard Steven 12 Ganzburg, Michael Iosifovich 12 Kaufman, Edwin H. jun. 12 Li, Wu 12 Móricz, Ferenc 12 Smith, Philip W. 12 Vértesi, Péter 12 Watson, G. Alistair 12 Wolfe, Jerry M. 12 Zhou, Songping 11 Barrar, Richard B. 11 Beatson, Rick K. 11 Buhmann, Martin Dietrich 11 Bustamante González, Jorge 11 Cobos, Fernando 11 Dai, Feng 11 Davydov, Oleg V. 11 Goetgheluck, Pierre 11 Huotari, Robert 11 Kilgore, Theodore A. 11 McLaughlin, Harry W. 11 Rahman, Qazi Ibadur 11 Schmeisser, Gerhard 11 Simon, Barry 11 Ziegler, Zvi 10 Amir, Dan 10 Bauschke, Heinz H. 10 Brosowski, Bruno 10 Chen, Dirong ...and 3,253 more Authors
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### Fields

 3,398 Approximations and expansions (41-XX) 935 Harmonic analysis on Euclidean spaces (42-XX) 483 Functions of a complex variable (30-XX) 459 Special functions (33-XX) 444 Functional analysis (46-XX) 376 Numerical analysis (65-XX) 304 Operator theory (47-XX) 174 Real functions (26-XX) 85 Probability theory and stochastic processes (60-XX) 70 Ordinary differential equations (34-XX) 68 Potential theory (31-XX) 67 Number theory (11-XX) 66 Sequences, series, summability (40-XX) 54 Partial differential equations (35-XX) 53 Linear and multilinear algebra; matrix theory (15-XX) 52 History and biography (01-XX) 48 Difference and functional equations (39-XX) 46 Information and communication theory, circuits (94-XX) 44 Measure and integration (28-XX) 43 Convex and discrete geometry (52-XX) 41 Calculus of variations and optimal control; optimization (49-XX) 40 Abstract harmonic analysis (43-XX) 39 Computer science (68-XX) 35 Integral transforms, operational calculus (44-XX) 33 Several complex variables and analytic spaces (32-XX) 33 Statistics (62-XX) 25 General topology (54-XX) 25 Operations research, mathematical programming (90-XX) 21 Combinatorics (05-XX) 17 Dynamical systems and ergodic theory (37-XX) 17 Integral equations (45-XX) 12 Global analysis, analysis on manifolds (58-XX) 11 Quantum theory (81-XX) 10 General and overarching topics; collections (00-XX) 10 Statistical mechanics, structure of matter (82-XX) 10 Systems theory; control (93-XX) 9 Field theory and polynomials (12-XX) 8 Topological groups, Lie groups (22-XX) 7 Geometry (51-XX) 7 Differential geometry (53-XX) 6 Commutative algebra (13-XX) 3 Mathematical logic and foundations (03-XX) 3 Algebraic geometry (14-XX) 3 Group theory and generalizations (20-XX) 3 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 Order, lattices, ordered algebraic structures (06-XX) 2 Fluid mechanics (76-XX) 2 Biology and other natural sciences (92-XX) 1 Nonassociative rings and algebras (17-XX) 1 Category theory; homological algebra (18-XX) 1 Mechanics of particles and systems (70-XX) 1 Mechanics of deformable solids (74-XX) 1 Optics, electromagnetic theory (78-XX) 1 Astronomy and astrophysics (85-XX) 1 Geophysics (86-XX)

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Inequalities for a polynomial and its derivative. Zbl 0663.41019
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Sparse Legendre expansions via $$\ell_1$$-minimization. Zbl 1239.65018
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Finding best approximation pairs relative to two closed convex sets in Hilbert spaces. Zbl 1050.46021
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Metric entropy of some classes of sets with differentiable boundaries. Zbl 0275.41011
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Strong convergence theorems for a common fixed point of two relatively nonexpansive mappings in a Banach space. Zbl 1137.47056
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Determination of all coherent pairs. Zbl 0880.42012
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Optimal error bounds for cubic spline interpolation. Zbl 0316.41007
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An extension of Bochner’s problem: exceptional invariant subspaces. Zbl 1214.34079
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Korovkin-type theorem and application. Zbl 1118.41015
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Orthogonal matrix polynomials: zeros and Blumenthal’s theorem. Zbl 0861.42016
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A stable recurrence relation for trigonometric B-splines. Zbl 0414.41005
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Equioscillation under nonuniqueness in the approximation of continuous functions. Zbl 0199.11701
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1996
The asymptotic zero distribution of orthogonal polynomials with varying recurrence coefficients. Zbl 0967.33009
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Polynomial interpolation and hyperinterpolation over general regions. Zbl 0839.41006
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The convergence of Padé approximants to functions with branch points. Zbl 0896.41009
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Degree of approximation by monotone polynomials. I. Zbl 0172.07901
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Error bounds for spline and L-spline interpolation. Zbl 0242.41008
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$$p$$-adic refinable functions and MRA-based wavelets. Zbl 1205.42031
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Bivariate Lagrange interpolation at the Padua points: the generating curve approach. Zbl 1113.41001
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2006
Orthogonal polynomials with asymptotically periodic recurrent coefficients. Zbl 0604.42023
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1986
Almost convergence and nonlinear ergodic theorems. Zbl 0404.47032
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1978
Chebyshev rational approximations to $$e^{-x}$$ in $$[0,+\infty)$$ and applications to heat-conduction problems. Zbl 0187.11602
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1969
Norm estimates for the inverses of a general class of scattered-data radial-function interpolation matrices. Zbl 0756.41004
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1992
Approximation by Ridge functions and neural networks with one hidden layer. Zbl 0768.41018
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1992
Sharp integral inequalities of the Hermite-Hadamard type. Zbl 1012.26013
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2002
The convexity of Bernstein polynomials over triangles. Zbl 0528.41005
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1984
Polynomial reproduction for univariate subdivision schemes of any arity. Zbl 1211.65022
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2011
Painlevé III and a singular linear statistics in Hermitian random matrix ensembles. I. Zbl 1189.33035
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An application of a fixed-point theorem to approximation theory. Zbl 0399.41032
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1979
Approximation properties and construction of Hermite interpolants and biorthogonal multiwavelets. Zbl 0986.42020
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Approximation spaces. Zbl 0489.47008
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1981
Smooth interpolation in triangles. Zbl 0271.41002
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1973
Fractal interpolation functions with variable parameters and their analytical properties. Zbl 1303.28014
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2013
Lipschitz conditions on uniform approximation operators. Zbl 0274.41022
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1973
Polyharmonic cardinal splines. Zbl 0702.41020
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On some open problems of approximation theory. Zbl 0454.41001
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1980
Uniform approximation by discrete least squares polynomials. Zbl 1145.41001
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2008
Monotonicity properties of Musielak-Orlicz spaces and dominated best approximation in Banach lattices. Zbl 0921.41015
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1998
Generalized orthogonality and continued fractions. Zbl 0846.33005
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Approximations via Whittaker’s cardinal function. Zbl 0332.41013
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1976
Polynomial reproduction by symmetric subdivision schemes. Zbl 1159.41003
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On the rate of convergence of Bernstein polynomials of functions of bounded variation. Zbl 0533.41020
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1983
Lagrange interpolation on Chebyshev points of two variables. Zbl 0864.41002
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1996
On uniform approximation by splines. Zbl 0193.02502
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Cardinal interpolation and spline functions. II: Interpolation of data of power growth. Zbl 0268.41004
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1972
Estimates of the Hermite and the Freud polynomials. Zbl 0716.42018
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1990
Strictly and uniformly monotone Musielak-Orlicz spaces and applications to best approximation. Zbl 0749.41031
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1992
Wavelets and pre-wavelets in low dimensions. Zbl 0772.41019
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1992
Polynomial approximation on tetrahedrons in the finite element method. Zbl 0279.41005
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1973
Norms of inverses and condition numbers for matrices associated with scattered data. Zbl 0724.41004
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1991
Local sharp maximal functions. Zbl 0565.42009
Jawerth, B.; Torchinsky, A.
1985
Properties of generalized trigonometric functions. Zbl 1241.42019
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2012
Iteration of positive approximation operators. Zbl 0199.44702
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1970
$$L_p$$ metrics for compact convex sets. Zbl 0595.52005
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1985
The eigenstructure of the Bernstein operator. Zbl 0963.41006
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2000
Fixed point theorems and invariant approximations. Zbl 0673.41037
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1989
The rate of linear convergence of the Douglas-Rachford algorithm for subspaces is the cosine of the Friedrichs angle. Zbl 1307.49030
Bauschke, Heinz H.; Bello Cruz, J. Y.; Nghia, Tran T. A.; Phan, Hung M.; Wang, Xianfu
2014
Ul’yanov and Nikol’skii-type inequalities. Zbl 1069.41014
Ditzian, Z.; Tikhonov, S.
2005
The rate of convergence of $$q$$-Bernstein polynomials for $$0<q<1$$. Zbl 1082.41007
Wang, Heping; Meng, Fanjun
2005
On Markov-Bernstein-type inequalities and their applications. Zbl 0356.41003
Freud, Geza
1977
On the convergence of odd-degree spline interpolation. Zbl 0174.09902
de Boor, C.
1968
Approximation of continuous and discontinuous functions by generalized sampling series. Zbl 0654.41004
Butzer, P. L.; Ries, S.; Stens, R. L.
1987
Generalized refinement equations and subdivision processes. Zbl 0823.45001
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1995
An extension of Montessus de Ballore’s theorem on the convergence of interpolating rational functions. Zbl 0241.30013
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1972
A global inverse theorem for combinations of Bernstein polynomials. Zbl 0444.41006
Ditzian, Z.
1979
Multiple orthogonal polynomials of mixed type and non-intersecting Brownian motions. Zbl 1135.42324
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2007
Properties of $$\beta$$-splines. Zbl 0569.41010
Goodman, T. N. T.
1985
A statistical learning assessment of Huber regression. Zbl 07436521
Feng, Yunlong; Wu, Qiang
2022
A novel class of stabilized greedy kernel approximation algorithms: convergence, stability and uniform point distribution. Zbl 1458.65018
Wenzel, Tizian; Santin, Gabriele; Haasdonk, Bernard
2021
Norm estimates for Chebyshev polynomials, I. Zbl 1462.41012
Schiefermayr, Klaus; Zinchenko, Maxim
2021
About families of orthogonal polynomials satisfying Heun’s differential equation. Zbl 1462.33004
Magnus, Alphonse P.; Ndayiragije, François; Ronveaux, André
2021
Approximation theorems on graphs. Zbl 1473.05296
Huang, Chao; Zhang, Qian; Huang, Jianfeng; Yang, Lihua
2021
Approximation properties of periodic multivariate quasi-interpolation operators. Zbl 1475.41008
Kolomoitsev, Yurii; Prestin, Jürgen
2021
Fourier-Zernike series of compactly supported convolutions on $$SE(2)$$. Zbl 07416630
Ghaani Farashahi, Arash; Chirikjian, Gregory S.
2021
On $$(\beta,\gamma)$$-Chebyshev functions and points of the interval. Zbl 1482.41001
De Marchi, Stefano; Elefante, Giacomo; Marchetti, Francesco
2021
Asymptotic behavior of orthogonal polynomials. Singular critical case. Zbl 1457.33004
Yafaev, D. R.
2021
Asymptotic behavior and zeros of the Bernoulli polynomials of the second kind. Zbl 1478.11029
Štampach, František
2021
Kernel gradient descent algorithm for information theoretic learning. Zbl 1479.62024
Hu, Ting; Wu, Qiang; Zhou, Ding-Xuan
2021
Bispectrality of Meixner type polynomials. Zbl 1462.42044
Durán, Antonio J.; Rueda, Mónica
2021
The matching condition for larger size Riemann-Hilbert problems. Zbl 1456.30070
Molag, L. D.
2021
Weighted embeddings for function spaces associated with Hermite expansions. Zbl 1471.46036
Bui, The Anh; Li, Ji; Ly, Fu Ken
2021
Smoothness of subspace sections of the unit balls of $$C(Q)$$ and $$L^1$$. Zbl 1464.46022
Alimov, A. R.; Tsar&rsquo;kov, I. G.
2021
Approximating the $$p$$th root by composite rational functions. Zbl 1471.41006
Gawlik, Evan S.; Nakatsukasa, Yuji
2021
A class of Sobolev orthogonal polynomials on the unit circle and associated continuous dual Hahn polynomials: bounds, asymptotics and zeros. Zbl 1472.33007
Bracciali, Cleonice F.; da Silva, Jéssica V.; Ranga, A. Sri
2021
Reconstruction of functions from prescribed proximal points. Zbl 1472.41014
Combettes, Patrick L.; Woodstock, Zev C.
2021
Properties of moduli of smoothness in $$L_p (\mathbb{R}^d)$$. Zbl 1450.41004
Kolomoitsev, Yurii; Tikhonov, Sergey
2020
Identification of anisotropic mixed-norm Hardy spaces and certain homogeneous Triebel-Lizorkin spaces. Zbl 1448.42030
Huang, Long; Liu, Jun; Yang, Dachun; Yuan, Wen
2020
Exact asymptotic volume and volume ratio of Schatten unit balls. Zbl 1458.46011
Kabluchko, Zakhar; Prochno, Joscha; Thäle, Christoph
2020
Sampling, Marcinkiewicz-Zygmund inequalities, approximation, and quadrature rules. Zbl 1446.41005
Gröchenig, Karlheinz
2020
On the Widom factors for $$L_p$$ extremal polynomials. Zbl 1452.41003
Alpan, Gökalp; Zinchenko, Maxim
2020
Error analysis of Lagrange interpolation on tetrahedrons. Zbl 07135029
Kobayashi, Kenta; Tsuchiya, Takuya
2020
Multivariate bounded variation functions of Jordan-Wiener type. Zbl 1436.26012
Brudnyi, Alexander; Brudnyi, Yuri
2020
Sharp constants of approximation theory. III. Certain polynomial inequalities of different metrics on convex sets. Zbl 1435.41011
Ganzburg, Michael I.
2020
EC-tractability of $$\mathbb{L}_p$$-approximation in Korobov spaces with exponential weights. Zbl 1429.41032
Xu, Guiqiao
2020
On some classical type Sobolev orthogonal polynomials. Zbl 1454.42025
Zagorodnyuk, Sergey M.
2020
Dimension-dependent error estimates for sampling recovery on Smolyak grids based on B-spline quasi-interpolation. Zbl 1431.41003
Dũng, Dinh; Thao, Mai Xuan
2020
Two double-angle formulas of generalized trigonometric functions. Zbl 1431.33022
Sato, Shota; Takeuchi, Shingo
2020
Corrigendum on the proof of completeness for exceptional Hermite polynomials: “Rational extensions of the quantum harmonic oscillator and exceptional Hermite polynomials”. Zbl 1441.81087
Gómez-Ullate, David; Grandati, Yves; Milson, Robert
2020
Differential equations for the recurrence coefficients limits for multiple orthogonal polynomials from a Nevai class. Zbl 1440.42115
Aptekarev, Alexander I.; Kozhan, Rostyslav
2020
Simultaneous zero-free approximation and universal optimal polynomial approximants. Zbl 1443.30002
Bénéteau, Catherine; Ivrii, Oleg; Manolaki, Myrto; Seco, Daniel
2020
Pólya-type criteria for conditional strict positive definiteness of functions on spheres. Zbl 1446.41001
Buhmann, Martin; Jäger, Janin
2020
A higher order Faber spline basis for sampling discretization of functions. Zbl 1444.42035
2020
The limiting behavior of certain sampling series and cardinal splines. Zbl 1434.94044
2020
Constructive description of Hölder-like classes on an arc in $$\mathbb{R}^3$$ by means of harmonic functions. Zbl 1429.41014
Alexeeva, Tatyana A.; Shirokov, Nikolay A.
2020
Sharp $$L_p$$ Markov type inequality for cuspidal domainsin $$\mathbb{R}^d$$. Zbl 1431.41005
Kroó, András
2020
Arestov’s theorems on Bernstein’s inequality. Zbl 1439.41007
Erdélyi, Tamás
2020
Reverse Markov- and Bernstein-type inequalities for incomplete polynomials. Zbl 1434.41004
Erdélyi, Tamás
2020
Hermite pseudo-multipliers on new Besov and Triebel-Lizorkin spaces. Zbl 1437.42032
Bui, The Anh
2020
On the optimal relationships between $$L^P$$-norms for the Hardy operator and its dual for decreasing functions. Zbl 1435.26014
2020
Polynomial approximation in several variables. Zbl 1440.41007
Totik, Vilmos
2020
Corrigendum to the papers on exceptional orthogonal polynomials: “Exceptional Charlier and Hermite orthogonal polynomials”, “Exceptional Meixner and Laguerre orthogonal polynomials”, “Exceptional Hahn and Jacobi orthogonal polynomials”. Zbl 1443.42016
Durán, Antonio J.
2020
Asymptotics of the generalized Gegenbauer functions of fractional degree. Zbl 1435.30123
Liu, Wenjie; Wang, Li-Lian
2020
Holomorphic functions with universal boundary behaviour. Zbl 1460.30020
Charpentier, S.
2020
Supercritical regime for the kissing polynomials. Zbl 1440.42119
Celsus, Andrew F.; Silva, Guilherme L. F.
2020
Zero spacings of paraorthogonal polynomials on the unit circle. Zbl 1440.42123
Simanek, Brian
2020
An asymptotic holomorphic boundary problem on arbitrary open sets in Riemann surfaces. Zbl 1452.30020
Falcó, Javier; Gauthier, Paul M.
2020
Functions with identical $$L_p$$ norms. Zbl 1446.41004
Erdélyi, Tamás
2020
Atomic norm minimization for decomposition into complex exponentials and optimal transport in Fourier domain. Zbl 1455.42002
Condat, Laurent
2020
The spectral matrices associated with the stochastic Darboux transformations of random walks on the integers. Zbl 1455.60095
de la Iglesia, Manuel D.; Juarez, Claudia
2020
On the spacing of zeros of paraorthogonal polynomials for singular measures. Zbl 1454.42023
Breuer, Jonathan; Seelig, Eyal
2020
Rational approximation and Sobolev-type orthogonality. Zbl 1452.41006
Díaz-González, Abel; Pijeira-Cabrera, Héctor; Pérez-Yzquierdo, Ignacio
2020
Alternating projections, remotest projections, and greedy approximation. Zbl 1458.46020
Borodin, Petr A.; Kopecká, Eva
2020
On infinite Jacobi matrices with a trace class resolvent. Zbl 1428.42050
Šťovíček, Pavel
2020
The Eneström-Kakeya theorem for polynomials of a quaternionic variable. Zbl 1441.30070
Carney, N.; Gardner, R.; Keaton, R.; Powers, A.
2020
Sobolev functions on closed subsets of the real line. Zbl 1443.46023
Shvartsman, Pavel
2020
Nikishin systems on star-like sets: ratio asymptotics of the associated multiple orthogonal polynomials. II. Zbl 1440.42121
López-García, Abey; López Lagomasino, Guillermo
2020
Laguerre-Angelesco multiple orthogonal polynomials on an $$r$$-star. Zbl 1437.33008
Leurs, Marjolein; Van Assche, Walter
2020
Elastic splines III: existence of stable nonlinear splines. Zbl 1434.41003
Borbély, Albert; Johnson, Michael J.
2020
Corrigendum to: “Strong estimates of the weighted simultaneous approximation by the Bernstein and Kantorovich operators and their iterated Boolean sums”. Zbl 1471.41007
Draganov, Borislav R.
2020
A continuous function with universal Fourier series on a given closed set of Lebesgue measure zero. Zbl 1435.30118
Khrushchev, S.
2020
Extremal problems for polynomials with real roots. Zbl 1431.12001
Dubickas, Artūras; Pritsker, Igor
2020
Dimension independent Bernstein-Markov inequalities in Gauss space. Zbl 1478.41001
Eskenazis, Alexandros; Ivanisvili, Paata
2020
The essential spectrum of canonical systems. Zbl 1457.34122
Remling, Christian; Scarbrough, Kyle
2020
Interpolation by generalized exponential sums with equal weights. Zbl 1439.30055
Chunaev, Petr
2020
Sharp Hardy’s inequality for Jacobi and symmetrized Jacobi trigonometric expansions. Zbl 1440.42135
Plewa, Paweł
2020
Entropy numbers of compact embeddings of smoothness Morrey spaces on bounded domains. Zbl 1446.46019
Haroske, Dorothee D.; Skrzypczak, Leszek
2020
Bracketing numbers of convex and $$m$$-monotone functions on polytopes. Zbl 1439.52009
Doss, Charles R.
2020
Multiply monotone functions for radial basis function interpolation: extensions and new kernels. Zbl 1441.41001
Buhmann, Martin; Jäger, Janin
2020
Inverse results of approximation and the saturation order for the sampling Kantorovich series. Zbl 1416.41019
Costarelli, Danilo; Vinti, Gianluca
2019
Relevant sampling in finitely generated shift-invariant spaces. Zbl 1435.94106
Führ, Hartmut; Xian, Jun
2019
Exceptional Jacobi polynomials. Zbl 1410.33026
Bonneux, Niels
2019
Discrete and continuous Green energy on compact manifolds. Zbl 1402.31005
Beltrán, Carlos; Corral, Nuria; del Rey, Juan G. Criado
2019
Optimal stability of the Lagrange formula and conditioning of the Newton formula. Zbl 1407.41002
Carnicer, J. M.; Khiar, Y.; Peña, J. M.
2019
Improved estimates for condition numbers of radial basis function interpolation matrices. Zbl 1407.41003
Diederichs, Benedikt; Iske, Armin
2019
Approximation of multivariate periodic functions based on sampling along multiple rank-1 lattices. Zbl 1455.65240
Kämmerer, Lutz; Volkmer, Toni
2019
Limiting interpolation spaces via extrapolation. Zbl 1421.46023
Astashkin, Sergey V.; Lykov, Konstantin V.; Milman, Mario
2019
Average case tractability of multivariate approximation with Gaussian kernels. Zbl 1435.41035
Chen, Jia; Wang, Heping
2019
Interpolation of the measure of non-compactness of bilinear operators among quasi-Banach spaces. Zbl 1423.46102
Besoy, Blanca F.; Cobos, Fernando
2019
Averaging operators on decreasing or positive functions: equivalence and optimal bounds. Zbl 1412.26034
Boza, Santiago; Soria, Javier
2019
New “Verblunsky-type” coefficients of block Toeplitz and Hankel matrices and of corresponding Dirac and canonical systems. Zbl 1403.15019
Sakhnovich, Alexander
2019
Central limit theorems for multivariate Bessel processes in the freezing regime. Zbl 1432.60092
Voit, Michael
2019
Central limit theorems for multivariate Bessel processes in the freezing regime. II. The covariance matrices. Zbl 1461.60086
Andraus, Sergio; Voit, Michael
2019
On the existence of optimal meshes in every convex domain on the plane. Zbl 1408.41005
Kroó, András
2019
Characterizing best approximation from a convex set without convex representation. Zbl 1407.41012
Jeyakumar, V.; Mohebi, H.
2019
Fourier-Dunkl system of the second kind and Euler-Dunkl polynomials. Zbl 1429.33009
Durán, Antonio J.; Pérez, Mario; Varona, Juan L.
2019
Sharp exponential bounds for the Gaussian regularized Whittaker-Kotelnikov-Shannon sampling series. Zbl 1428.62042
Chen, Liang; Zhang, Haizhang
2019
Lagrange interpolation at Pollaczek-Laguerre zeros on the real semiaxis. Zbl 1423.41002
Mastroianni, G.; Notarangelo, I.
2019
Szegő’s condition on compact subsets of $$\mathbb{C}$$. Zbl 1435.31003
Alpan, Gökalp
2019
Best finite constrained approximations of one-dimensional probabilities. Zbl 1426.41037
Xu, Chuang; Berger, Arno
2019
Equilibrium problems in weakly admissible external fields created by pointwise charges. Zbl 1418.31011
Orive, R.; Sánchez Lara, J. F.; Wielonsky, F.
2019
Smooth fixed volume discrepancy, dispersion, and related problems. Zbl 1410.65073
Temlyakov, V. N.
2019
Extensions of linear operators from hyperplanes and strong uniqueness of best approximation in $$\mathcal{L}(X, W)$$. Zbl 1428.46013
Wójcik, Paweł
2019
Markov factors on average – an $$L_2$$ case. Zbl 07043335
Bos, Len
2019
Best polynomial approximation on the triangle. Zbl 1414.41018
Feng, Han; Krattenthaler, Christian; Xu, Yuan
2019
Algebraic genericity and the differentiability of the convolution. Zbl 1417.42009
Jiménez-Rodríguez, P.; Muñoz-Fernández, G. A.; Sáez-Maestro, E.; Seoane-Sepúlveda, J. B.
2019
The weighted property (A) and the greedy algorithm. Zbl 1440.46011
Berná, P. M.; Dilworth, S. J.; Kutzarova, D.; Oikhberg, T.; Wallis, B.
2019
Boundary conditions associated with the general left-definite theory for differential operators. Zbl 07015415
Fleeman, Matthew; Frymark, Dale; Liaw, Constanze
2019
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### Cited by 14,431 Authors

 134 Marcellán Español, Francisco 114 Lubinsky, Doron S. 76 Dunham, Charles B. 71 Saff, Edward Barry 71 Van Assche, Walter 63 Duran, Antonio J. 62 Chui, Charles Kam-tai 57 Kumam, Poom 53 Kuijlaars, Arno B. J. 53 Leviatan, Dany 53 Totik, Vilmos 52 Ditzian, Zeev 52 Gupta, Vijay 51 Kroó, András 51 Mastroianni, Giuseppe 50 Butzer, Paul Leo 49 Eshaghi Gordji, Madjid 49 Park, Choonkil 48 Erdélyi, Tamás 48 Ismail, Mourad El-Houssieny 48 López Lagomasino, Guillermo Tomás 48 Mazure, Marie-Laurence 48 Sloan, Ian Hugh 47 Chand, Arya Kumar Bedabrata 47 Shahzad, Naseer 47 Vinti, Gianluca 46 Costarelli, Danilo 46 Mhaskar, Hrushikesh N. 46 Rasa, Ioan 45 Li, Chong 44 Dyn, Nira 44 Peherstorfer, Franz 44 Wang, Heping 43 Rassias, John Michael 43 Xu, Yuan 42 Chu, Yuming 42 Woźniakowski, Henryk 41 Bauschke, Heinz H. 41 Mir, Abdullah 41 Temlyakov, Vladimir Nikolaevich 41 Weisz, Ferenc 40 Martínez-Finkelshtein, Andrei 40 Takahashi, Wataru 39 Cao, Feilong 39 Dai, Feng 39 Simon, Barry 38 Agarwal, Ravi P. 38 Aptekarev, Alexander Ivanovich 38 Schumaker, Larry L. 38 Tikhonov, Sergey Yur’evich 37 Anastassiou, George Angelos 37 Goginava, Ushangi 37 Goodman, Timothy N. T. 37 Micchelli, Charles A. 37 Nürnberger, Günther 37 Serra-Capizzano, Stefano 37 Yao, Jen-Chih 36 Bardaro, Carlo 36 Deutsch, Frank 36 Gonska, Heinz Herbert 36 Milovanović, Gradimir V. 36 Shi, Yingguang 35 Han, Bin 35 Hudzik, Henryk 35 Ward, Joseph Dinneen 35 Wasilkowski, Grzegorz W. 34 Abel, Ulrich 34 Bultheel, Adhemar François 34 Cobos, Fernando 34 Nevai, Paul G. 34 Piñar, Miguel A. 33 Ding, Jiu 33 Moreno-Balcázar, Juan José 33 Njåstad, Olav 32 Bos, Len P. 32 Cho, Yeol Je 32 Cuyt, Annie A. M. 32 Manni, Carla 32 Reich, Simeon 32 Varga, Richard Steven 32 Viswanathan, Puthan Veedu 31 Conti, Costanza 31 Mantellini, Ilaria 31 Navascués, María Antonia 31 Ranga, A. Sri 31 Sickel, Winfried 30 Driver, Kathy A. 30 Guo, Ben-Yu 30 Haroske, Dorothee D. 30 Schaback, Robert 30 Shen, Zuowei 30 Vianello, Marco 29 Blatt, Hans-Peter 29 Carnicer, Jésus Miguel 29 Chang, Shih-Sen 29 Li, Song 29 Peña, Juan Manuel 29 Sommer, Manfred 29 Speleers, Hendrik 29 Taylor, Gerald D. ...and 14,331 more Authors
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### Cited in 896 Journals

 2,829 Journal of Approximation Theory 991 Journal of Mathematical Analysis and Applications 894 Journal of Computational and Applied Mathematics 421 Constructive Approximation 392 Applied Mathematics and Computation 297 Numerical Functional Analysis and Optimization 292 Proceedings of the American Mathematical Society 286 Numerische Mathematik 256 Mathematics of Computation 247 Computers & Mathematics with Applications 241 Numerical Algorithms 240 Journal of Inequalities and Applications 223 Computer Aided Geometric Design 210 Mathematical Notes 207 Journal of Functional Analysis 204 Applied and Computational Harmonic Analysis 200 Advances in Computational Mathematics 185 Journal of Complexity 183 Results in Mathematics 183 Linear Algebra and its Applications 179 Abstract and Applied Analysis 177 Transactions of the American Mathematical Society 170 Acta Mathematica Hungarica 162 The Journal of Fourier Analysis and Applications 158 Applied Numerical Mathematics 157 Fixed Point Theory and Applications 149 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 121 Integral Transforms and Special Functions 119 Analysis Mathematica 118 Ukrainian Mathematical Journal 117 Computer Methods in Applied Mechanics and Engineering 113 Journal of Mathematical Physics 110 Acta Mathematica Sinica. English Series 108 Rocky Mountain Journal of Mathematics 104 Journal of Computational Physics 103 Proceedings of the Steklov Institute of Mathematics 100 Applicable Analysis 100 Mediterranean Journal of Mathematics 99 Advances in Mathematics 93 Mathematische Nachrichten 91 Journal of Optimization Theory and Applications 91 Mathematische Zeitschrift 90 Computational Methods and Function Theory 88 Bulletin of the Australian Mathematical Society 88 Communications in Mathematical Physics 88 International Journal of Wavelets, Multiresolution and Information Processing 86 BIT 85 Applied Mathematics Letters 82 Calcolo 81 Computing 81 Analysis in Theory and Applications 79 Israel Journal of Mathematics 77 Journal of Mathematical Sciences (New York) 75 International Journal of Computer Mathematics 74 Journal d’Analyse Mathématique 70 Engineering Analysis with Boundary Elements 69 Journal of Difference Equations and Applications 69 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 66 Optimization 64 Aequationes Mathematicae 64 Indagationes Mathematicae. New Series 62 Complex Analysis and Operator Theory 61 Journal of Scientific Computing 61 The Ramanujan Journal 59 Positivity 58 Science China. Mathematics 55 Archiv der Mathematik 55 Analysis and Applications (Singapore) 55 Journal of Function Spaces 54 Mathematische Annalen 52 Acta Applicandae Mathematicae 52 Mathematical and Computer Modelling 52 Foundations of Computational Mathematics 52 Advances in Difference Equations 51 Fractals 50 Monatshefte für Mathematik 46 Applied Mathematics. Series B (English Edition) 45 SIAM Journal on Numerical Analysis 45 The Journal of Geometric Analysis 45 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences 44 Integral Equations and Operator Theory 43 Mathematics and Computers in Simulation 43 Nonlinear Analysis. Theory, Methods & Applications 42 Siberian Mathematical Journal 42 SIAM Journal on Scientific Computing 41 International Journal of Mathematics and Mathematical Sciences 41 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications 40 Journal of Differential Equations 40 Journal of Fixed Point Theory and Applications 39 Comptes Rendus. Mathématique. Académie des Sciences, Paris 38 Periodica Mathematica Hungarica 38 Journal of Statistical Planning and Inference 38 Journal of Global Optimization 37 Russian Mathematics 36 The Annals of Statistics 35 Statistics & Probability Letters 35 Mathematical Programming. Series A. Series B 35 Journal of Applied Mathematics 35 Optimization Letters 34 Advances in Applied Mathematics ...and 796 more Journals
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### Cited in 61 Fields

 7,804 Approximations and expansions (41-XX) 4,744 Numerical analysis (65-XX) 3,585 Harmonic analysis on Euclidean spaces (42-XX) 2,422 Operator theory (47-XX) 2,358 Functional analysis (46-XX) 2,009 Special functions (33-XX) 1,618 Functions of a complex variable (30-XX) 1,080 Real functions (26-XX) 934 Partial differential equations (35-XX) 820 Probability theory and stochastic processes (60-XX) 657 Ordinary differential equations (34-XX) 623 Operations research, mathematical programming (90-XX) 580 Difference and functional equations (39-XX) 577 Linear and multilinear algebra; matrix theory (15-XX) 577 Statistics (62-XX) 565 Information and communication theory, circuits (94-XX) 479 Computer science (68-XX) 439 Calculus of variations and optimal control; optimization (49-XX) 402 Number theory (11-XX) 380 Measure and integration (28-XX) 363 General topology (54-XX) 293 Convex and discrete geometry (52-XX) 289 Integral equations (45-XX) 275 Dynamical systems and ergodic theory (37-XX) 261 Combinatorics (05-XX) 249 Potential theory (31-XX) 246 Integral transforms, operational calculus (44-XX) 244 Quantum theory (81-XX) 236 Abstract harmonic analysis (43-XX) 232 Sequences, series, summability (40-XX) 186 Several complex variables and analytic spaces (32-XX) 181 Mechanics of deformable solids (74-XX) 179 Fluid mechanics (76-XX) 179 Statistical mechanics, structure of matter (82-XX) 159 Systems theory; control (93-XX) 121 Global analysis, analysis on manifolds (58-XX) 121 Biology and other natural sciences (92-XX) 116 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 81 Differential geometry (53-XX) 62 Topological groups, Lie groups (22-XX) 57 History and biography (01-XX) 55 Algebraic geometry (14-XX) 51 Mathematical logic and foundations (03-XX) 45 Optics, electromagnetic theory (78-XX) 43 Geophysics (86-XX) 39 Field theory and polynomials (12-XX) 39 Group theory and generalizations (20-XX) 37 Geometry (51-XX) 35 Order, lattices, ordered algebraic structures (06-XX) 29 Classical thermodynamics, heat transfer (80-XX) 27 Commutative algebra (13-XX) 27 Mechanics of particles and systems (70-XX) 23 General and overarching topics; collections (00-XX) 22 Nonassociative rings and algebras (17-XX) 16 Associative rings and algebras (16-XX) 15 Relativity and gravitational theory (83-XX) 12 Algebraic topology (55-XX) 10 Manifolds and cell complexes (57-XX) 8 Mathematics education (97-XX) 5 Category theory; homological algebra (18-XX) 5 Astronomy and astrophysics (85-XX)