Edit Profile (opens in new tab) Sharma, Ambikeshwar (b. 1920 d. 2003) Co-Author Distance Author ID: sharma.ambikeshwar Published as: Sharma, A.; Sharma, Ambikeshwar; Sarma, A. more...less External Links: MGP · GND Documents Indexed: 215 Publications since 1945, including 1 Book 3 Contributions as Editor Reviewing Activity: 88 Reviews Biographic References: 3 Publications Co-Authors: 60 Co-Authors with 192 Joint Publications 1,770 Co-Co-Authors all top 5 Co-Authors 25 single-authored 25 Meir, Amram 19 Tzimbalario, Jean 16 Goodman, Timothy N. T. 15 Cavaretta, Alfred S. jun. 13 Varga, Richard Steven 12 Szabados, Jozsef 11 de Bruin, Marcel G. 9 Micchelli, Charles A. 8 Ivanov, Kamen G. 8 Jakimovski, Amnon 8 Lee, Seng Luan 7 Dikshit, Hanuman Prasad 7 Schoenberg, Isaac Jacob 6 Saxena, R. B. 5 Varma, Arun Kumar 4 Chak, A. M. 4 Mitra, S. Ch. 4 Riemenschneider, Sherman D. 4 Smith, Philip W. 4 Ziegler, Zvi 3 Akhlaghi, M. Reza 3 Bokhari, M. A. 3 Brück, Rainer 3 Greville, Thomas Nall Eden 3 Mohapatra, Ram Narayan 3 Motzkin, Theodore Samuel 3 Saff, Edward Barry 2 Alexits, György 2 Chen, Weiyu 2 Cheney, Elliott Ward jun. 2 Cimbalario, I. 2 Freud, Géza 2 Jia, Rong-Qing 2 Leeming, D. 2 Mathur, Kapil K. 2 Pethe, S. P. 2 Singh, Vikramaditya 2 Straus, Ernst G. 1 Alhlaghi, M. R. 1 Askey, Richard Allen 1 Atkinson, Kendall Eugene 1 Botto, M. A. 1 DeVore, Ronald A. 1 Ditzian, Zeev 1 Erdős, Pál 1 Fabrykowski, Jacek 1 Frank, Evelyn 1 Govil, Narenda Kumar 1 Jakomovski, A. 1 Müller, Jürgen 1 Nashed, Zuhair 1 Selvaraj, Chikkanna Ramalingam 1 Stenger, Frank 1 Sun, Xiehua 1 Tan, Hwee Huat 1 Underhill, B. 1 Vértesi, Péter 1 Walsh, Joseph Leonard 1 Xu, Yuan 1 Zassenhaus, Hans Julius all top 5 Serials 14 Journal of Approximation Theory 12 Canadian Journal of Mathematics 7 Acta Mathematica Academiae Scientiarum Hungaricae 6 SIAM Journal on Numerical Analysis 6 Approximation Theory and its Applications 5 Canadian Mathematical Bulletin 5 Gaṇita 4 Annales Polonici Mathematici 4 Bulletin of the Calcutta Mathematical Society 4 Analysis 4 Linear Algebra and its Applications 3 Journal of Mathematical Analysis and Applications 3 Duke Mathematical Journal 3 The Mathematics Student 3 Pacific Journal of Mathematics 3 Proceedings of the Edinburgh Mathematical Society. Series II 3 Results in Mathematics 3 Studia Scientiarum Mathematicarum Hungarica 3 Transactions of the American Mathematical Society 3 Numerical Algorithms 3 SIAM Journal on Mathematical Analysis 3 The Journal of Analysis 3 Nederlandse Akademie van Wetenschappen. Proceedings. Series A. Indagationes Mathematicae 3 Proceedings of the Benares Mathematical Society (New Series) 2 Analysis Mathematica 2 Periodica Mathematica Hungarica 2 Rocky Mountain Journal of Mathematics 2 Studia Mathematica 2 Illinois Journal of Mathematics 2 Journal of Computational and Applied Mathematics 2 The Journal of the Indian Mathematical Society. New Series 2 Journal für die Reine und Angewandte Mathematik 2 Constructive Approximation 2 Mathematica Balkanica. New Series 2 Aequationes Mathematicae 2 Methods and Applications of Analysis 2 Annals of Numerical Mathematics 1 American Mathematical Monthly 1 Israel Journal of Mathematics 1 Mathematical Notes 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Matematicheskie Zametki 1 Zeitschrift für Angewandte Mathematik und Mechanik (ZAMM) 1 Arkiv för Matematik 1 Acta Scientiarum Mathematicarum 1 Demonstratio Mathematica 1 Indian Journal of Mathematics 1 International Journal of Mathematics and Mathematical Sciences 1 Mathematische Zeitschrift 1 Numerische Mathematik 1 Proceedings of the American Mathematical Society 1 Publicationes Mathematicae Debrecen 1 RAIRO. Analyse Numérique 1 Rendiconti di Matematica e delle sue Applicazioni. Serie VII 1 Annales Universitatis Scientiarum Budapestinensis de Rolando Eötvös Nominatae. Sectio Computatorica 1 Acta Mathematica Hungarica 1 Journal of National Academy of Mathematics, India 1 RAIRO. Modélisation Mathématique et Analyse Numérique 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 SIAM Review 1 Bulletin of the Polish Academy of Sciences, Mathematics 1 Applied and Computational Harmonic Analysis 1 Acta Universitatis Lodziensis. Folia Mathematica 1 Advances in Computational Mathematics 1 Serdica Mathematical Journal 1 East Journal on Approximations 1 Journal of Inequalities and Applications 1 Analysis (München) 1 Computational Methods and Function Theory 1 Proceedings of the Cambridge Philosophical Society 1 Bulletin of the American Mathematical Society 1 Journal of Mathematics and Mechanics 1 Rivista di Matematica della Università di Parma 1 Rivista di Matematica della Universitá di Parma, II. Serie 1 CMS Conference Proceedings 1 ISNM. International Series of Numerical Mathematics 1 Pure and Applied Mathematics, Marcel Dekker 1 Proceedings of the National Institute of Sciences of India 1 Mathematica 1 Journal of the Society for Industrial and Applied Mathematics. Series B, Numerical Analysis 1 Springer Monographs in Mathematics all top 5 Fields 119 Approximations and expansions (41-XX) 39 Functions of a complex variable (30-XX) 25 Harmonic analysis on Euclidean spaces (42-XX) 12 Numerical analysis (65-XX) 10 Real functions (26-XX) 3 General and overarching topics; collections (00-XX) 3 Several complex variables and analytic spaces (32-XX) 3 Ordinary differential equations (34-XX) 3 Operator theory (47-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Special functions (33-XX) 2 Difference and functional equations (39-XX) 2 Sequences, series, summability (40-XX) 2 Integral transforms, operational calculus (44-XX) 1 History and biography (01-XX) 1 Number theory (11-XX) 1 Field theory and polynomials (12-XX) 1 Functional analysis (46-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 131 Publications have been cited 853 times in 643 Documents Cited by ▼ Year ▼ Bernstein power series. Zbl 0128.29001 Cheney, E. W.; Sharma, A. 89 1964 A partial characterization of poised Hermite-Birkhoff interpolation problems. Zbl 0182.21604 Atkinson, K. E.; Sharma, A. 57 1969 Degree of approximation of spline interpolation. Zbl 0158.30702 Sharma, A.; Meir, A. 45 1966 A modified Bernstein-Schoenberg operator. Zbl 0737.41023 Goodman, T. N. T.; Sharma, A. 38 1988 Interpolation in the roots of unity: An extension of a theorem of J. L. Walsh. Zbl 0447.30020 Cavaretta, A. S. jun.; Sharma, A.; Varga, R. S. 25 1980 Some poised and nonpoised problems of interpolation. Zbl 0314.65001 Sharma, A. 24 1972 Trigonometric interpolation. Zbl 0154.31401 Sharma, A.; Varma, A. K. 22 1965 Quadratic splines. Zbl 0354.41006 Sharma, A.; Tzimbalario, J. 20 1977 Convergence of a class of interpolatory splines. Zbl 0186.11402 Meir, A.; Sharma, A. 19 1968 A Bernstein type operator on the simplex. Zbl 0761.41019 Goodman, T. N. T.; Sharma, A. 19 1991 On a generalization of Bernstein polynomials. Zbl 0146.08202 Cheney, E. W.; Sharma, A. 13 1964 Cardinal interpolation and spline functions. V. The B-splines for cardinal Hermite interpolation. Zbl 0278.41010 Schoenberg, I. J.; Sharma, A. 13 1973 Cardinal lacunary interpolation by g-splines. I: The characteristic polynomials. Zbl 0351.41006 Lee, S. L.; Sharma, A. 13 1976 On Ilyeff’s conjecture. Zbl 0194.10202 Meir, A.; Sharma, A. 12 1969 Multivariate interpolation and the Radon transform. Zbl 0425.46054 Cavaretta, Alfred S. jun.; Micchelli, Charles A.; Sharma, Ambikeshwar 12 1980 Hausdorff’s moment problem and expansions in Legendre polynomials. Zbl 0483.44012 Askey, R.; Schoenberg, I. J.; Sharma, A. 10 1982 On a problem of Turan: multiple node Gaussian quadrature. Zbl 0551.41045 Micchelli, Charles A.; Sharma, A. 10 1983 The basic analogue of a class of polynominals. Zbl 0058.01301 Sharma, A.; Chak, A. M. 10 1954 On uniform approximation by cubic splines. Zbl 0183.33002 Meir, A.; Sharma, A. 10 1969 Modified Abel expansion and a subclass of completely convex functions. Zbl 0242.41001 Pethe, S. P.; Sharma, A. 10 1972 Strongly and weakly non-poised H-B interpolation problems. Zbl 0278.41003 DeVore, R.; Meir, A.; Sharma, A. 10 1973 Some good sequences of interpolatory polynomials. Zbl 0287.41003 Freud, G.; Sharma, A. 10 1974 Quasi-Hermite-Fejer type interpolation of higher order. Zbl 0302.41001 Sharma, A.; Tzimbalario, J. 10 1975 Birkhoff type interpolation on perturbed roots of unity. Zbl 0907.41001 de Bruin, M. G.; Sharma, A.; Szabados, J. 9 1998 Lacunary interpolation by splines. Zbl 0255.65005 Meir, A.; Sharma, A. 9 1973 The interpolatory background of the Euler-MacLaurin quadrature formula. Zbl 0271.41010 Schoenberg, I. J.; Sharma, A. 9 1971 Lacunary trigonometric interpolation on equidistant nodes. Zbl 0496.42001 Cavaretta, A. S. jun.; Sharma, A.; Varga, R. S. 8 1980 Mean convergence and interpolation in roots of unity. Zbl 0523.30029 Sharma, A.; Vertesi, P. 8 1983 Lacunary interpolation on some non-uniformly distributed nodes on the unit circle. Zbl 0913.41001 Chen, Weiyu; Sharma, A. 8 1996 On some interpolatory properties of Legendre polynomials. Zbl 0085.05103 Saxena, R. B.; Sharma, A. 8 1958 \(q\)-Bernoulli and Euler numbers of higher order. Zbl 0102.03105 Sharma, A. 8 1958 The influence of Lebesgue functions on the convergence and summability of function series. Zbl 0237.42002 Alexits, G.; Sharma, A. 8 1972 Hermite-Birkhoff interpolation in the \(n\)-th roots of unity. Zbl 0431.41001 Cavaretta jun., A. S.; Sharma, A.; Varga, R. S. 8 1980 Birkhoff interpolation at the \(n\)th roots of unity: Convergence. Zbl 0466.30031 Riemenschneider, S. D.; Sharma, A. 8 1981 Birkhoff interpolation on unity and on Möbius transform of the roots of unity. Zbl 0961.41002 de Bruin, M. G.; Dikshit, H. P.; Sharma, A. 7 2000 Birkhoff interpolation on some perturbed roots of unity: Revisited. Zbl 1160.41301 Bokhari, M. A.; Dikshit, H. P.; Sharma, A. 7 2000 Next-to-interpolatory approximation on sets with multiplicities. Zbl 0152.25402 Motzkin, T. S.; Sharma, A. 7 1966 Some remarks on lacunary interpolation in the roots of unity. Zbl 0171.03803 Sharma, A. 7 1964 A variation of the Tchebicheff quadrature problem. Zbl 0175.06302 Meir, A.; Sharma, A. 7 1967 Spectral properties of continuous refinement operators. Zbl 0897.41010 Jia, R. Q.; Lee, S. L.; Sharma, A. 7 1998 Certain linear differential operators and generalized differences. Zbl 0386.41019 Sharma, A.; Cimbalario, I. 7 1977 On Abel-Hermite-Birkhoff interpolation. Zbl 0174.35503 Sharma, A.; Prasad, J. 6 1969 One-sided spline approximation. Zbl 0175.35002 Meir, A.; Sharma, A. 6 1968 Multivariate interpolation and the Radon transform. Part II: Some further examples. Zbl 0601.41002 Cavaretta, A. S. jun.; Micchelli, Charles A.; Sharma, A. 6 1980 On a Schoenberg-type conjecture. Zbl 0945.30003 de Bruin, M. G.; Sharma, A. 5 1999 Birkhoff interpolation on perturbed roots of unity on the unit circle. Zbl 0940.30016 de Bruin, Marcel G.; Sharma, A. 5 1997 Lacunary interpolation in the roots of unity. Zbl 0146.14103 Sharma, A. 5 1966 Simultaneous approximation of a function and its derivatives. Zbl 0148.29301 Meir, A.; Sharma, A. 5 1966 Least squares and interpolation in roots of unity. Zbl 0192.16802 Walsh, J. L.; Sharma, A. 5 1964 Lacunary interpolation by splines. Zbl 0253.41007 Meir, A.; Sharma, A. 5 1973 Hermite-Fejer type interpolation processes. Zbl 0315.41001 Meir, A.; Sharma, A.; Tzimbalario, J. 5 1975 The spline interpolation of sequences satisfying a linear recurrence relation. Zbl 0332.41004 Greville, T. N. E.; Schoenberg, I. J.; Sharma, A. 5 1976 Multivariate interpolation and the Radon transform. III: Lagrange representation. Zbl 0578.41001 Cavaretta, A. S. jun.; Goodman, T. N. T.; Micchelli, C. A.; Sharma, A. 5 1983 Spline functions on the circle: cardinal L-splines revisited. Zbl 0461.41008 Micchelli, Charles A.; Sharma, A. 5 1980 A class of cardinal trigonometric splines. Zbl 0341.41012 Sharma, A.; Tzimbalario, J. 4 1976 Convergence of interpolatory polynomials. Zbl 0087.05703 Saxena, R. B.; Sharma, A. 4 1959 Some interpolatory properties of Tchebyscheff polynomials. Zbl 0100.28303 Varma, A. K.; Sharma, A. 4 1961 On the convergence of multiplicatively orthogonal series. Zbl 0237.42009 Alexits, G.; Sharma, A. 4 1971 Some recent results on Walsh theory of equiconvergence. Zbl 0612.42011 Sharma, A. 4 1986 2-periodic lacunary trigonometric interpolation: the \((0;M)\) case. Zbl 0763.42003 Sharma, A.; Szabados, J.; Varga, R. S. 4 1988 Solvability of some multivariate interpolation problems. Zbl 0735.41002 Jia, Rong-Qing; Sharma, A. 4 1991 Some good sequences of interpolatory polynomials: Addendum. Zbl 0367.41003 Freud, G.; Sharma, A. 4 1977 Lacunary trigonometric interpolation: convergence. Zbl 0478.42001 Riemenschneider, S. D.; Sharma, A.; Smith, P. W. 3 1980 An extension to rational functions of a theorem of J. L. Walsh on differences of interpolating polynomials. Zbl 0485.41003 Saff, E. B.; Sharma, A.; Varga, R. S. 3 1981 Hermite-Birkhoff interpolation on roots of unity and Walsh equiconvergence. Zbl 0519.41003 Saxena, R. B.; Sharma, A.; Ziegler, Z. 3 1983 A conjecture of Schoenberg. Zbl 0954.30002 de Bruin, M. G.; Ivanov, K. G.; Sharma, A. 3 1999 Some interpolatory properties of Hermite polynomials. Zbl 0098.27101 Mathur, K. K.; Sharma, A. 3 1961 Trigonometric interpolation (0,2,3) case. Zbl 0175.35101 Sharma, A.; Varma, A. 3 1968 A sequence of linear polynomial operators and their approximation- theoretic proxperties. Zbl 0237.41002 Motzkin, T. S.; Sharma, A. 3 1972 Functions analogues to completely convex functions. Zbl 0272.41002 Pethe, S. P.; Sharma, A. 3 1973 A generalization of the class of completely convex functions. Zbl 0302.30029 Leeming, D.; Sharma, A. 3 1972 Walsh equiconvergence of complex interpolating polynomials. Zbl 1093.41001 Jakimovski, Amnon; Sharma, Ambikeshwar; Szabados, József 3 2006 Asymptotic formula for the Berstein-Schoenberg operator. Zbl 0674.41010 Goodman, T. N. T.; Lee, S. L.; Sharma, A. 2 1988 Convergence rates for some lacunary interpolators on the roots of unity. Zbl 0676.41005 Sharma, A.; Szabados, J. 2 1988 Landau-type inequalities for some linear differential operators. Zbl 0479.41008 Sharma, A.; Tzimbalario, J. 2 1977 On a problem of P. Turán. Zbl 0532.41002 Chak, A. M.; Sharma, A.; Szabados, Jozsef 2 1980 Hermite interpolation on some perturbed roots of unity. Zbl 0943.30027 Sharma, A.; Ziegler, Z. 2 1999 Quadratic mean radius of a polynomial in \(\mathbb{C}(z)\). Zbl 0939.30006 Ivanov, K.; Sharma, A. 2 1996 Spline interpolation and wavelet construction. Zbl 0914.42024 Lee, S. L.; Sharma, A.; Tan, H. H. 2 1998 Birkhoff interpolation on non-uniformly distributed roots of unity. Zbl 1001.41002 de Bruin, Marcel G.; Sharma, A. 2 2000 Birkhoff interpolation on nonuniformly distributed roots of unity. II. Zbl 1152.41302 de Bruin, Marcel G.; Sharma, A. 2 2001 On the method of Romberg quadrature. Zbl 0133.39203 Meir, A.; Sharma, A. 2 1965 Interpolation by polynomials in \(z\) and \(z^{-1}\) in the roots of unity. Zbl 0171.03801 Sharma, A. 2 1967 An extension of Obreshkov’s formula. Zbl 0177.43401 Meir, A.; Sharma, A. 2 1968 Remarks on quasi-Hermite-Fejer interpolation. Zbl 0263.65010 Sharma, A. 2 1964 Convergence of averaging interpolation operators. Zbl 0294.41004 Saxena, R. B.; Sharma, A. 2 1974 Landau-type inequalities for some linear differential operators. Zbl 0332.41006 Sharma, A.; Tzimbalario, J. 2 1976 Averaging interpolation on sets with multiplicities. Zbl 0356.41001 Botto, M. A.; Sharma, A. 2 1977 Some Bernstein type inequalities for polynomials. Zbl 0581.30003 Sharma, A.; Singh, V. 2 1985 A property of Bernstein-Schoenberg spline operators. Zbl 0596.41023 Goodman, T. N. T.; Sharma, A. 2 1985 (0.3) interpolation on the zeros of \(\pi _ n(x)\). Zbl 0694.41003 Akhlaghi, M. R.; Chak, A. M.; Sharma, A. 2 1989 On a particular 2-periodic lacunary trigonometric interpolation problem on equidistant nodes. Zbl 0712.42009 Sharma, A.; Varga, R. S. 2 1989 Variation diminishing properties and convexity for the tensor product Bernstein operator. Zbl 0768.33001 Cavaretta, A. S. jun.; Sharma, A. 2 1992 Classes of functions defined by differential inequalities. Zbl 0429.26010 Sharma, A.; Tzimbalario, J. 2 1977 A class of cardinal splines with Hermite type interpolation. Zbl 0442.41013 Lee, S. L.; Sharma, A.; Tzimbalario, J. 2 1976 More quantitive results on Walsh equiconvergence: I. Lagrange case. Zbl 0626.41002 Ivanov, K. G.; Sharma, A. 1 1987 Approximation and interpolation by complex splines on the torus. Zbl 0647.41010 Goodman, T. N. T.; Lee, S. L.; Sharma, A. 1 1989 Discrete exponential Abel-Euler splines. Zbl 0485.41008 Mohapatra, R. N.; Sharma, A. 1 1978 Convergence of lacunary trigonometric interpolation on equidistant nodes. Zbl 0493.42007 Riemenschneider, S.; Sharma, A.; Smith, P. W. 1 1982 Some properties of periodic B-spline collocation matrices. Zbl 0537.41005 Lee, S. L.; Micchelli, C. A.; Sharma, A.; Smith, P. W. 1 1983 Walsh equiconvergence of complex interpolating polynomials. Zbl 1093.41001 Jakimovski, Amnon; Sharma, Ambikeshwar; Szabados, József 3 2006 Birkhoff interpolation on nonuniformly distributed roots of unity. II. Zbl 1152.41302 de Bruin, Marcel G.; Sharma, A. 2 2001 Birkhoff interpolation on unity and on Möbius transform of the roots of unity. Zbl 0961.41002 de Bruin, M. G.; Dikshit, H. P.; Sharma, A. 7 2000 Birkhoff interpolation on some perturbed roots of unity: Revisited. Zbl 1160.41301 Bokhari, M. A.; Dikshit, H. P.; Sharma, A. 7 2000 Birkhoff interpolation on non-uniformly distributed roots of unity. Zbl 1001.41002 de Bruin, Marcel G.; Sharma, A. 2 2000 On a Schoenberg-type conjecture. Zbl 0945.30003 de Bruin, M. G.; Sharma, A. 5 1999 A conjecture of Schoenberg. Zbl 0954.30002 de Bruin, M. G.; Ivanov, K. G.; Sharma, A. 3 1999 Hermite interpolation on some perturbed roots of unity. Zbl 0943.30027 Sharma, A.; Ziegler, Z. 2 1999 Birkhoff type interpolation on perturbed roots of unity. Zbl 0907.41001 de Bruin, M. G.; Sharma, A.; Szabados, J. 9 1998 Spectral properties of continuous refinement operators. Zbl 0897.41010 Jia, R. Q.; Lee, S. L.; Sharma, A. 7 1998 Spline interpolation and wavelet construction. Zbl 0914.42024 Lee, S. L.; Sharma, A.; Tan, H. H. 2 1998 Quantitative results in some problems on Walsh equiconvergence. Zbl 1054.41005 Sharma, A.; Szabados, J. 1 1998 Birkhoff interpolation on perturbed roots of unity on the unit circle. Zbl 0940.30016 de Bruin, Marcel G.; Sharma, A. 5 1997 Lacunary interpolation on some non-uniformly distributed nodes on the unit circle. Zbl 0913.41001 Chen, Weiyu; Sharma, A. 8 1996 Quadratic mean radius of a polynomial in \(\mathbb{C}(z)\). Zbl 0939.30006 Ivanov, K.; Sharma, A. 2 1996 Hermite interpolation in the roots of unity. Zbl 0846.41002 Goodman, T. N. T.; Ivanov, K. G.; Sharma, A. 1 1996 On some general lacunary interpolation problems. Zbl 0862.41004 Sharma, A.; Szabados, J.; Underhill, B.; Varma, A. K. 1 1996 A Bernstein-Schoenberg type operator: Shape preserving and limiting behaviour. Zbl 0836.41014 Goodman, T. N. T.; Sharma, A. 1 1995 Remarks on (0,2) interpolation. Zbl 0854.41003 Sharma, A.; Szabados, J. 1 1995 An extension of a result of Rivlin of Walsh equiconvergence (Faber nodes). Zbl 0840.30025 Brück, R.; Sharma, A.; Varga, R. S. 1 1994 An extension of a result of Rivlin on Walsh equiconvergence. Zbl 0840.30024 Brück, R.; Sharma, A.; Varga, R. S. 1 1994 Variation diminishing properties and convexity for the tensor product Bernstein operator. Zbl 0768.33001 Cavaretta, A. S. jun.; Sharma, A. 2 1992 A 2-periodic trigonometric interpolation problem. Zbl 0769.42003 Sharma, A.; Sun, Xiehua 1 1992 A Bernstein type operator on the simplex. Zbl 0761.41019 Goodman, T. N. T.; Sharma, A. 19 1991 Solvability of some multivariate interpolation problems. Zbl 0735.41002 Jia, Rong-Qing; Sharma, A. 4 1991 Almost Hermitian trigonometric interpolation on three equidistant nodes. Zbl 0734.42001 Sharma, A.; Saxena, R. B. 1 1991 Mean convergence of trigonometric interpolants on equidistant nodes: Birkhoff data. Zbl 0783.42005 Sharma, Ambikeshwar; Xu, Yuan 1 1991 Some Pál type interpolation problems. Zbl 0939.41504 Alhlaghi, M. R.; Sharma, A. 1 1990 (0.3) interpolation on the zeros of \(\pi _ n(x)\). Zbl 0694.41003 Akhlaghi, M. R.; Chak, A. M.; Sharma, A. 2 1989 On a particular 2-periodic lacunary trigonometric interpolation problem on equidistant nodes. Zbl 0712.42009 Sharma, A.; Varga, R. S. 2 1989 Approximation and interpolation by complex splines on the torus. Zbl 0647.41010 Goodman, T. N. T.; Lee, S. L.; Sharma, A. 1 1989 A modified Bernstein-Schoenberg operator. Zbl 0737.41023 Goodman, T. N. T.; Sharma, A. 38 1988 2-periodic lacunary trigonometric interpolation: the \((0;M)\) case. Zbl 0763.42003 Sharma, A.; Szabados, J.; Varga, R. S. 4 1988 Asymptotic formula for the Berstein-Schoenberg operator. Zbl 0674.41010 Goodman, T. N. T.; Lee, S. L.; Sharma, A. 2 1988 Convergence rates for some lacunary interpolators on the roots of unity. Zbl 0676.41005 Sharma, A.; Szabados, J. 2 1988 Rivlin’s theorem on Walsh equiconvergence. Zbl 0696.30035 Dikshit, H. P.; Sharma, A.; Singh, V.; Stenger, F. 1 1988 More quantitive results on Walsh equiconvergence: I. Lagrange case. Zbl 0626.41002 Ivanov, K. G.; Sharma, A. 1 1987 Certain mapping properties of rational complex planar splines. Zbl 0624.30041 Dikshit, H. P.; Ojha, A.; Sharma, A. 1 1987 Some recent results on Walsh theory of equiconvergence. Zbl 0612.42011 Sharma, A. 4 1986 Quantitative results on Walsh equiconvergence. II. Hermite interpolation and \(\ell_ 2\)-approximation. Zbl 0594.41003 Ivanov, K. G.; Sharma, A. 1 1986 Piecewise smooth solutions of some difference-differential equations. Zbl 0606.34040 Goodman, T. N. T.; Schoenberg, I. J.; Sharma, A. 1 1986 Some Bernstein type inequalities for polynomials. Zbl 0581.30003 Sharma, A.; Singh, V. 2 1985 A property of Bernstein-Schoenberg spline operators. Zbl 0596.41023 Goodman, T. N. T.; Sharma, A. 2 1985 Some Birkhoff interpolation problems on the roots of unity. Zbl 0565.41005 Fabrykowski, J.; Sharma, A.; Zassenhaus, Hans 1 1985 Convergence of complete spline interpolation for holomorphic functions. Zbl 0568.30031 Micchelli, C. A.; Sharma, A. 1 1985 Asymptotic error expansions for spline interpolation. Zbl 0551.41016 Dikshit, H. P.; Sharma, A.; Tzimbalario, J. 1 1984 An extension of a theorem of Walsh. Zbl 0554.41015 Cavaretta, A. S. jun.; Dikshit, H. P.; Sharma, A. 1 1984 On equiconvergence of certain sequences of rational interpolants. Zbl 0558.41007 Saff, E. B.; Sharma, A. 1 1984 On a problem of Turan: multiple node Gaussian quadrature. Zbl 0551.41045 Micchelli, Charles A.; Sharma, A. 10 1983 Mean convergence and interpolation in roots of unity. Zbl 0523.30029 Sharma, A.; Vertesi, P. 8 1983 Multivariate interpolation and the Radon transform. III: Lagrange representation. Zbl 0578.41001 Cavaretta, A. S. jun.; Goodman, T. N. T.; Micchelli, C. A.; Sharma, A. 5 1983 Hermite-Birkhoff interpolation on roots of unity and Walsh equiconvergence. Zbl 0519.41003 Saxena, R. B.; Sharma, A.; Ziegler, Z. 3 1983 Some properties of periodic B-spline collocation matrices. Zbl 0537.41005 Lee, S. L.; Micchelli, C. A.; Sharma, A.; Smith, P. W. 1 1983 Hausdorff’s moment problem and expansions in Legendre polynomials. Zbl 0483.44012 Askey, R.; Schoenberg, I. J.; Sharma, A. 10 1982 Convergence of lacunary trigonometric interpolation on equidistant nodes. Zbl 0493.42007 Riemenschneider, S.; Sharma, A.; Smith, P. W. 1 1982 Birkhoff interpolation at the \(n\)th roots of unity: Convergence. Zbl 0466.30031 Riemenschneider, S. D.; Sharma, A. 8 1981 An extension to rational functions of a theorem of J. L. Walsh on differences of interpolating polynomials. Zbl 0485.41003 Saff, E. B.; Sharma, A.; Varga, R. S. 3 1981 Interpolation in the roots of unity: An extension of a theorem of J. L. Walsh. Zbl 0447.30020 Cavaretta, A. S. jun.; Sharma, A.; Varga, R. S. 25 1980 Multivariate interpolation and the Radon transform. Zbl 0425.46054 Cavaretta, Alfred S. jun.; Micchelli, Charles A.; Sharma, Ambikeshwar 12 1980 Lacunary trigonometric interpolation on equidistant nodes. Zbl 0496.42001 Cavaretta, A. S. jun.; Sharma, A.; Varga, R. S. 8 1980 Hermite-Birkhoff interpolation in the \(n\)-th roots of unity. Zbl 0431.41001 Cavaretta jun., A. S.; Sharma, A.; Varga, R. S. 8 1980 Multivariate interpolation and the Radon transform. Part II: Some further examples. Zbl 0601.41002 Cavaretta, A. S. jun.; Micchelli, Charles A.; Sharma, A. 6 1980 Spline functions on the circle: cardinal L-splines revisited. Zbl 0461.41008 Micchelli, Charles A.; Sharma, A. 5 1980 Lacunary trigonometric interpolation: convergence. Zbl 0478.42001 Riemenschneider, S. D.; Sharma, A.; Smith, P. W. 3 1980 On a problem of P. Turán. Zbl 0532.41002 Chak, A. M.; Sharma, A.; Szabados, Jozsef 2 1980 Discrete polynomial splines on the circle. Zbl 0406.41005 Mathur, K. K.; Sharma, A. 1 1979 Discrete exponential Abel-Euler splines. Zbl 0485.41008 Mohapatra, R. N.; Sharma, A. 1 1978 Some strongly non-poised H-B problems. Zbl 0382.41005 Sharma, A.; Tzimbalario, J. 1 1978 Quadratic splines. Zbl 0354.41006 Sharma, A.; Tzimbalario, J. 20 1977 Certain linear differential operators and generalized differences. Zbl 0386.41019 Sharma, A.; Cimbalario, I. 7 1977 Some good sequences of interpolatory polynomials: Addendum. Zbl 0367.41003 Freud, G.; Sharma, A. 4 1977 Landau-type inequalities for some linear differential operators. Zbl 0479.41008 Sharma, A.; Tzimbalario, J. 2 1977 Averaging interpolation on sets with multiplicities. Zbl 0356.41001 Botto, M. A.; Sharma, A. 2 1977 Classes of functions defined by differential inequalities. Zbl 0429.26010 Sharma, A.; Tzimbalario, J. 2 1977 Cardinal lacunary interpolation by g-splines. I: The characteristic polynomials. Zbl 0351.41006 Lee, S. L.; Sharma, A. 13 1976 The spline interpolation of sequences satisfying a linear recurrence relation. Zbl 0332.41004 Greville, T. N. E.; Schoenberg, I. J.; Sharma, A. 5 1976 A class of cardinal trigonometric splines. Zbl 0341.41012 Sharma, A.; Tzimbalario, J. 4 1976 Landau-type inequalities for some linear differential operators. Zbl 0332.41006 Sharma, A.; Tzimbalario, J. 2 1976 A class of cardinal splines with Hermite type interpolation. Zbl 0442.41013 Lee, S. L.; Sharma, A.; Tzimbalario, J. 2 1976 Quasi-Hermite-Fejer type interpolation of higher order. Zbl 0302.41001 Sharma, A.; Tzimbalario, J. 10 1975 Hermite-Fejer type interpolation processes. Zbl 0315.41001 Meir, A.; Sharma, A.; Tzimbalario, J. 5 1975 Some good sequences of interpolatory polynomials. Zbl 0287.41003 Freud, G.; Sharma, A. 10 1974 Convergence of averaging interpolation operators. Zbl 0294.41004 Saxena, R. B.; Sharma, A. 2 1974 On the irreducibility of a class of Euler Frobenius polynomials. Zbl 0289.12104 Sharma, A.; Straus, E. G. 1 1974 Cardinal interpolation and spline functions. V. The B-splines for cardinal Hermite interpolation. Zbl 0278.41010 Schoenberg, I. J.; Sharma, A. 13 1973 Strongly and weakly non-poised H-B interpolation problems. Zbl 0278.41003 DeVore, R.; Meir, A.; Sharma, A. 10 1973 Lacunary interpolation by splines. Zbl 0255.65005 Meir, A.; Sharma, A. 9 1973 Lacunary interpolation by splines. Zbl 0253.41007 Meir, A.; Sharma, A. 5 1973 Functions analogues to completely convex functions. Zbl 0272.41002 Pethe, S. P.; Sharma, A. 3 1973 Averaging interpolation. Zbl 0256.41001 Motzkin, T. S.; Sharma, A.; Straus, E. G. 1 1973 Some poised and nonpoised problems of interpolation. Zbl 0314.65001 Sharma, A. 24 1972 Modified Abel expansion and a subclass of completely convex functions. Zbl 0242.41001 Pethe, S. P.; Sharma, A. 10 1972 The influence of Lebesgue functions on the convergence and summability of function series. Zbl 0237.42002 Alexits, G.; Sharma, A. 8 1972 A sequence of linear polynomial operators and their approximation- theoretic proxperties. Zbl 0237.41002 Motzkin, T. S.; Sharma, A. 3 1972 A generalization of the class of completely convex functions. Zbl 0302.30029 Leeming, D.; Sharma, A. 3 1972 Some poised problems of interpolation. Zbl 0237.41001 Sharma, A. 1 1972 The interpolatory background of the Euler-MacLaurin quadrature formula. Zbl 0271.41010 Schoenberg, I. J.; Sharma, A. 9 1971 On the convergence of multiplicatively orthogonal series. Zbl 0237.42009 Alexits, G.; Sharma, A. 4 1971 A generalization of the \(S_\alpha\)-summation method. Zbl 0186.10801 Meir, A.; Sharma, A. 1 1970 A partial characterization of poised Hermite-Birkhoff interpolation problems. Zbl 0182.21604 Atkinson, K. E.; Sharma, A. 57 1969 ...and 31 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 567 Authors 39 Sharma, Ambikeshwar 17 Acu, Ana Maria 17 Varma, Arun Kumar 15 Goodman, Timothy N. T. 15 Rasa, Ioan 14 Vértesi, Péter 12 Dikshit, Hanuman Prasad 11 Varga, Richard Steven 9 Boyanov, Borislav Dechev 9 de Bruin, Marcel G. 9 Doğru, Ogün 9 Ivan, Mircea Dumitru 9 Lee, Seng Luan 8 Gonska, Heinz Herbert 8 Gupta, Vijay 8 Saxena, R. B. 8 Szabados, Jozsef 8 Tzimbalario, Jean 7 Costabile, Francesco Aldo 7 Gavrea, Ioan 7 Lorentz, Georg Gunther 6 Abel, Ulrich 6 Cavaretta, Alfred S. jun. 6 Lorentz, Rudolph Alexander 6 Shevaldin, Valeriĭ Trifonovich 5 de la Cal, Jesús 5 Dyn, Nira 5 Georgieva, Irina 5 Mathur, Kapil K. 5 Micchelli, Charles A. 5 Napoli, Anna 5 Schoenberg, Isaac Jacob 4 Acar, Tuncer 4 Bascanbaz-Tunca, Gulen 4 Berman, David L’vovich 4 Bokhari, M. A. 4 Cheney, Elliott Ward jun. 4 de Boor, Carl 4 Duman, Oktay 4 Gal, Sorin Gheorghe 4 Hall, Charles Allan 4 Heilmann, Margareta 4 Hofreither, Clemens 4 Holhoş, Adrian 4 Ivanov, Kamen G. 4 Karlin, Samuel 4 Kimchi, Esther 4 Leviatan, Dany 4 Mahmudov, Nazim Idrisoglu 4 Ozarslan, Mehmet Ali 4 Pathak, Anil Kumar 4 Tandori, Károly 4 Taşdelen, Fatma 4 Volkov, Yuriĭ Stepanovich 3 Agrawal, Purshottam Narain 3 Birou, Marius Mihai 3 Botto, M. A. 3 Deo, Naokant 3 Dubeau, François 3 Fawzy, Tharwat 3 Floater, Michael S. 3 Gori, Laura 3 Gualtieri, Maria Italia 3 Kacsó, Daniela P. 3 Kapica, Rafał 3 Kumar, Arun 3 Meir, Amram 3 Merz, Gerhard 3 Mohiuddine, Syed Abdul 3 Morawiec, Janusz 3 Neuman, Edward 3 Nevai, Paul G. 3 Nikolov, Geno P. 3 Păltănea, Radu 3 Park, Jin Woo 3 Riemenschneider, Sherman D. 3 Rivlin, Theodore Joseph 3 Rodriguez, Giuseppe 3 Savoie, Jean 3 Schempp, Walter Johannes 3 Seatzu, Sebastiano 3 Soylemez, Dilek 3 Spalević, Miodrag M. 3 Stieglitz, Michael 3 Taylor, Gerald D. 3 Velikin, V. L. 3 Zeller, Karl Longin 3 Zeng, Xiaoming 2 Adell, José Antonio 2 Al-Salam, Waleed A. 2 Alghamdi, Mohammed Ali 2 Alotaibi, Abdullah M. 2 Andria, George D. 2 Ari, Didem Aydin 2 Bahadur, Swarnima 2 Berriochoa, Elías 2 Brown, Johnny E. 2 Bustamante González, Jorge 2 Byrne, George D. 2 Cachafeiro, Alicia ...and 467 more Authors all top 5 Cited in 144 Serials 129 Journal of Approximation Theory 41 Journal of Mathematical Analysis and Applications 33 Acta Mathematica Academiae Scientiarum Hungaricae 31 Journal of Computational and Applied Mathematics 24 Acta Mathematica Hungarica 20 Numerische Mathematik 16 Results in Mathematics 13 Calcolo 13 Transactions of the American Mathematical Society 12 Applied Mathematics and Computation 11 Mathematical and Computer Modelling 9 Mathematics of Computation 9 Mathematische Zeitschrift 8 Constructive Approximation 8 Linear Algebra and its Applications 7 Mathematical Notes 7 Proceedings of the American Mathematical Society 7 Aequationes Mathematicae 7 Advances in Computational Mathematics 7 Mediterranean Journal of Mathematics 6 Periodica Mathematica Hungarica 6 Numerical Algorithms 5 Ukrainian Mathematical Journal 5 Journal of Complexity 5 Filomat 5 Proceedings of the Steklov Institute of Mathematics 5 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. 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Series Mathematics and Informatics 1 Computational Mechanics 1 Journal of Scientific Computing ...and 44 more Serials all top 5 Cited in 36 Fields 456 Approximations and expansions (41-XX) 119 Numerical analysis (65-XX) 62 Functions of a complex variable (30-XX) 59 Harmonic analysis on Euclidean spaces (42-XX) 26 Special functions (33-XX) 23 Real functions (26-XX) 20 Sequences, series, summability (40-XX) 19 Operator theory (47-XX) 17 Combinatorics (05-XX) 17 Number theory (11-XX) 17 Linear and multilinear algebra; matrix theory (15-XX) 14 Ordinary differential equations (34-XX) 13 Integral transforms, operational calculus (44-XX) 12 Probability theory and stochastic processes (60-XX) 6 Partial differential equations (35-XX) 5 History and biography (01-XX) 5 Statistics (62-XX) 4 Difference and functional equations (39-XX) 4 Integral equations (45-XX) 4 Functional analysis (46-XX) 3 Field theory and polynomials (12-XX) 3 Several complex variables and analytic spaces (32-XX) 2 Algebraic geometry (14-XX) 2 Group theory and generalizations (20-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Computer science (68-XX) 2 Information and communication theory, circuits (94-XX) 1 Measure and integration (28-XX) 1 Potential theory (31-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Mechanics of deformable solids (74-XX) 1 Fluid mechanics (76-XX) 1 Quantum theory (81-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Operations research, mathematical programming (90-XX) 1 Biology and other natural sciences (92-XX) Citations by Year