Andrievskii, V. V.; Pritsker, I. E.; Varga, R. S. On zeros of polynomials orthogonal over a convex domain. (English) Zbl 0990.30003 Constructive Approximation 17, No. 2, 209-225 (2001). Reviewer: George Csordas (Honolulu) MSC: 30C10 30C15 30C85 41A10 41A50 PDFBibTeX XMLCite \textit{V. V. Andrievskii} et al., Constr. Approx. 17, No. 2, 209--225 (2001; Zbl 0990.30003) Full Text: DOI arXiv
Kroó, A.; Szabados, J.; Varga, R. S. Weighted polynomial approximation of some entire functions on the real line. (English) Zbl 0885.41008 Ann. Numer. Math. 4, No. 1-4, 405-413 (1997). Reviewer: G.D.Dikshit (Auckland) MSC: 41A10 41A50 PDFBibTeX XMLCite \textit{A. Kroó} et al., Ann. Numer. Math. 4, No. 1--4, 405--413 (1997; Zbl 0885.41008)
Manteuffel, Thomas A.; Starke, Gerhard; Varga, Richard S. Adaptive \(k\)-step iterative methods for nonsymmetric systems of linear equations. (English) Zbl 0858.65036 ETNA, Electron. Trans. Numer. Anal. 3, 50-65 (1995). Reviewer: D.Kershaw (Lancaster) MSC: 65F10 PDFBibTeX XMLCite \textit{T. A. Manteuffel} et al., ETNA, Electron. Trans. Numer. Anal. 3, 50--65 (1995; Zbl 0858.65036) Full Text: EuDML EMIS
Carpenter, Amos J.; Varga, Richard S. Some numerical results on best uniform polynomial approximation of \(x^ \alpha\) on \([0,1]\). (English) Zbl 0784.65009 Gonchar, A. A. (ed.) et al., Methods of approximation theory in complex analysis and mathematical physics. Selected papers of international seminars on “Methods of approximation theory in complex analysis and mathematical physics” held in Leningrad, Russia, May 13-26, 1991. Berlin: Springer-Verlag. Lect. Notes Math. 1550, 192-222 (1993). MSC: 65D15 41A50 41A10 PDFBibTeX XMLCite \textit{A. J. Carpenter} and \textit{R. S. Varga}, Lect. Notes Math. 1550, 192--222 (1993; Zbl 0784.65009)
Varga, R. S.; Ruttan, A.; Carpenter, A. J. Numerical results on best uniform rational approximation of \(| x|\) on \([-1,+1]\). (English. Russian original) Zbl 0774.65008 Math. USSR, Sb. 74, No. 2, 271-290 (1993); translation from Mat. Sb. 182, No. 11, 1523-1541 (1991). MSC: 65D15 41A60 41A50 41A20 PDFBibTeX XMLCite \textit{R. S. Varga} et al., Math. USSR, Sb. 74, No. 2, 271--290 (1993; Zbl 0774.65008); translation from Mat. Sb. 182, No. 11, 1523--1541 (1991) Full Text: DOI
Eiermann, M.; Niethammer, W.; Varga, R. S. Acceleration of relaxation methods for non-Hermitian linear systems. (English) Zbl 0757.65032 SIAM J. Matrix Anal. Appl. 13, No. 3, 979-991 (1992). Reviewer: J.P.Milaszewicz (Buenos Aires) MSC: 65F10 PDFBibTeX XMLCite \textit{M. Eiermann} et al., SIAM J. Matrix Anal. Appl. 13, No. 3, 979--991 (1992; Zbl 0757.65032) Full Text: DOI
Varga, Richard S. How high-precision calculations can stimulate mathematical research. (English) Zbl 0758.65001 Appl. Numer. Math. 10, No. 3-4, 177-193 (1992). Reviewer: W.Govaerts (Gent) MSC: 65-03 41A20 65D15 41-03 01A60 41A50 PDFBibTeX XMLCite \textit{R. S. Varga}, Appl. Numer. Math. 10, No. 3--4, 177--193 (1992; Zbl 0758.65001) Full Text: DOI
Varga, Richard S.; Carpenter, Amos J. Some numerical results on best uniform rational approximation of \(x^ \alpha\) on [0,1]. (English) Zbl 0763.41025 Numer. Algorithms 2, No. 2, 171-185 (1992). Reviewer: R.Heersink (Graz) MSC: 41A50 41A20 PDFBibTeX XMLCite \textit{R. S. Varga} and \textit{A. J. Carpenter}, Numer. Algorithms 2, No. 2, 171--185 (1992; Zbl 0763.41025) Full Text: DOI
Varga, Richard S.; Ruttan, Arden Real vs. complex best rational approximation. (English) Zbl 0719.41034 Approximation theory and functional analysis. In honor of George G. Lorentz on the occasion of his 80th birthday, Sev. Pap. Conf., Austin/TX (USA) 1990, 215-236 (1991). MSC: 41A50 41A20 30E10 PDFBibTeX XML
Varga, R. S.; Ruttan, A.; Carpenter, A. J. Numerical results on best uniform rational approximations of the function \(|{} x |\) on the closed interval [-1,1]. (Russian) Zbl 0739.65010 Mat. Sb. 182, No. 11, 1523-1541 (1991). Reviewer: J.Albrycht (Poznań) MSC: 65D15 41A60 41A50 41A20 PDFBibTeX XMLCite \textit{R. S. Varga} et al., Mat. Sb. 182, No. 11, 1523--1541 (1991; Zbl 0739.65010) Full Text: EuDML
Gautschi, Walter; Tychopoulos, E.; Varga, R. S. A note on the contour integral representation of the remainder term for a Gauss-Chebyshev quadrature rule. (English) Zbl 0685.41019 SIAM J. Numer. Anal. 27, No. 1, 219-224 (1990). MSC: 41A55 PDFBibTeX XMLCite \textit{W. Gautschi} et al., SIAM J. Numer. Anal. 27, No. 1, 219--224 (1990; Zbl 0685.41019) Full Text: DOI
Ruttan, Arden; Varga, Richard S. Real vs. complex rational Chebyshev approximation on an interval. (English) Zbl 0722.41018 Rocky Mt. J. Math. 19, No. 1, 375-381 (1989). Reviewer: P.Lappan (East Lansing) MSC: 41A20 41A50 30E10 PDFBibTeX XMLCite \textit{A. Ruttan} and \textit{R. S. Varga}, Rocky Mt. J. Math. 19, No. 1, 375--381 (1989; Zbl 0722.41018) Full Text: DOI
Ruttan, Arden; Varga, Richard S. A unified theory for real vs. complex rational Chebyshev approximation on an interval. (English) Zbl 0676.41019 Trans. Am. Math. Soc. 312, No. 2, 681-697 (1989). Reviewer: M.Gutknecht MSC: 41A20 41A50 PDFBibTeX XMLCite \textit{A. Ruttan} and \textit{R. S. Varga}, Trans. Am. Math. Soc. 312, No. 2, 681--697 (1989; Zbl 0676.41019) Full Text: DOI
Eiermann, M.; Li, X.; Varga, R. S. On hybrid semi-iterative methods. (English) Zbl 0669.65020 SIAM J. Numer. Anal. 26, No. 1, 152-168 (1989). Reviewer: U.Langer MSC: 65F10 65N22 65F50 35J05 PDFBibTeX XMLCite \textit{M. Eiermann} et al., SIAM J. Numer. Anal. 26, No. 1, 152--168 (1989; Zbl 0669.65020) Full Text: DOI
Ruscheweyh, Stephan; Varga, Richard S. On the minimum moduli of normalized polynomials with two prescribed values. (English) Zbl 0602.30008 Constructive Approximation 2, 349-368 (1986). Reviewer: D.W.Boyd MSC: 30C10 30C70 65H05 PDFBibTeX XMLCite \textit{S. Ruscheweyh} and \textit{R. S. Varga}, Constr. Approx. 2, 349--368 (1986; Zbl 0602.30008) Full Text: DOI
Varga, Richard S.; Carpenter, Amos J. On the Bernstein conjecture in approximation theory. (English) Zbl 0648.41013 Constructive Approximation 1, 333-348 (1985). MSC: 41A50 41A25 41A10 PDFBibTeX XMLCite \textit{R. S. Varga} and \textit{A. J. Carpenter}, Constr. Approx. 1, 333--348 (1985; Zbl 0648.41013) Full Text: DOI
Gautschi, Walter; Varga, Richard S. Error bounds for Gaussian quadrature of analytic functions. (English) Zbl 0545.41040 SIAM J. Numer. Anal. 20, 1170-1186 (1983). Reviewer: M.A.Jimenez MSC: 41A55 41A21 41A10 41A50 PDFBibTeX XMLCite \textit{W. Gautschi} and \textit{R. S. Varga}, SIAM J. Numer. Anal. 20, 1170--1186 (1983; Zbl 0545.41040) Full Text: DOI
Saff, E. B.; Varga, R. S. On incomplete polynomials. II. (English) Zbl 0424.41004 Pac. J. Math. 92, 161-172 (1981). MSC: 41A10 41A50 PDFBibTeX XMLCite \textit{E. B. Saff} and \textit{R. S. Varga}, Pac. J. Math. 92, 161--172 (1981; Zbl 0424.41004) Full Text: DOI
Saff, E. B.; Varga, R. S. Remarks on some conjectures of G. G. Lorentz. (English) Zbl 0454.41006 J. Approximation Theory 30, 29-36 (1980). MSC: 41A10 41A50 PDFBibTeX XMLCite \textit{E. B. Saff} and \textit{R. S. Varga}, J. Approx. Theory 30, 29--36 (1980; Zbl 0454.41006) Full Text: DOI
Lachance, M.; Saff, E. B.; Varga, R. S. Bounds for incomplete polynomials vanishing at both endpoints of an interval. (English) Zbl 0441.41004 Constructive approaches to mathematical models, Proc. Conf. in Honor of R. J. Duffin, Pittsburgh/Pa. 1978, 421-437 (1979). MSC: 41A10 41A20 PDFBibTeX XML
Roulier, John A.; Varga, Richard S. Another property of Chebyshev polynomials. (English) Zbl 0389.41015 J. Approximation Theory 22, 233-242 (1978). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{J. A. Roulier} and \textit{R. S. Varga}, J. Approx. Theory 22, 233--242 (1978; Zbl 0389.41015) Full Text: DOI
Saff, E. B.; Varga, R. S. Nonuniqueness of best complex rational approximations to real functions on real intervals. (English) Zbl 0375.41008 J. Approximation Theory 23, 78-85 (1978). MSC: 41A20 41A50 PDFBibTeX XMLCite \textit{E. B. Saff} and \textit{R. S. Varga}, J. Approx. Theory 23, 78--85 (1978; Zbl 0375.41008) Full Text: DOI
Saff, E. B.; Varga, R. S. Nonuniqueness of best approximating complex rational functions. (English) Zbl 0348.41020 Bull. Am. Math. Soc. 83, 375-377 (1977). MSC: 41A50 41A20 PDFBibTeX XMLCite \textit{E. B. Saff} and \textit{R. S. Varga}, Bull. Am. Math. Soc. 83, 375--377 (1977; Zbl 0348.41020) Full Text: DOI
Varga, Richard S. Chebyshev semi-discrete approximations for linear parabolic problems. (English) Zbl 0265.34022 Spline Functions Approx. Theory, Proc. Sympos. Univ. Alberta, Edmonton 1972, ISNM 21, 383-386 (1973). MSC: 34A45 65M12 PDFBibTeX XML
Meinardus, G.; Reddy, A. R.; Taylor, G. D.; Varga, R. S. Converse theorems and extensions in Chebyshev rational approximation to certain entire functions in \([0, + \infty)\). (English) Zbl 0279.41010 Trans. Am. Math. Soc. 170, 171-185 (1972). MSC: 41A20 PDFBibTeX XMLCite \textit{G. Meinardus} et al., Trans. Am. Math. Soc. 170, 171--185 (1972; Zbl 0279.41010) Full Text: DOI
Cavendish, J. C.; Culham, W. E.; Varga, R. S. A comparison of Crank-Nicolson and Chebyshev rational methods for numerically solving linear parabolic equations. (English) Zbl 0263.65090 J. Comput. Phys. 10, 354-368 (1972). MSC: 65N06 65N12 PDFBibTeX XMLCite \textit{J. C. Cavendish} et al., J. Comput. Phys. 10, 354--368 (1972; Zbl 0263.65090) Full Text: DOI
Varga, Richard S. Chebyshev semi-discrete approximations for linear parabolic problems. (English) Zbl 0253.41012 Linear Operators Approximation, Proc. Conf. Oberwolfach 1971, ISNM 20, 452-460 (1972). MSC: 41A20 30D15 65Nxx 35K05 65M99 65N99 PDFBibTeX XML
Meinardus, G.; Reddy, A. R.; Taylor, G. D.; Varga, R. S. Converse theorems and extensions in Chebyshev rational approximation to certain entire functions in \([0,+\infty)\). (English) Zbl 0213.08801 Bull. Am. Math. Soc. 77, 460-461 (1971). MSC: 41A50 PDFBibTeX XMLCite \textit{G. Meinardus} et al., Bull. Am. Math. Soc. 77, 460--461 (1971; Zbl 0213.08801) Full Text: DOI
Meinardus, Günter; Varga, Richard S. Chebyshev rational approximations to certain entire functions in \([0,+\infty)\). (English) Zbl 0213.08704 J. Approximation Theory 3, 300-309 (1970). MSC: 41A50 41A25 30D15 41A20 PDFBibTeX XMLCite \textit{G. Meinardus} and \textit{R. S. Varga}, J. Approx. Theory 3, 300--309 (1970; Zbl 0213.08704) Full Text: DOI
Cody, W. J.; Meinardus, G.; Varga, R. S. Chebyshev rational approximations to \(e^{-x}\) in \([0,+\infty)\) and applications to heat-conduction problems. (English) Zbl 0187.11602 J. Approximation Theory 2, 50-65 (1969). PDFBibTeX XMLCite \textit{W. J. Cody} et al., J. Approx. Theory 2, 50--65 (1969; Zbl 0187.11602) Full Text: DOI
Golub, Gene H.; Varga, Richard S. Chebyshev semi-iterative methods, successive overrelaxation iterative methods, and second order Richardson iterative methods. I, II. (English) Zbl 0099.10903 Numer. Math. 3, 147-156, 157-168 (1961). PDFBibTeX XMLCite \textit{G. H. Golub} and \textit{R. S. Varga}, Numer. Math. 3, 147--156, 157--168 (1961; Zbl 0099.10903) Full Text: DOI EuDML
Varga, Richard S. A comparison of the successive overrelaxation method and semi-iterative methods using Chebyshev polynomials. (English) Zbl 0080.10701 J. Soc. Ind. Appl. Math. 5, 39-46 (1957). PDFBibTeX XMLCite \textit{R. S. Varga}, J. Soc. Ind. Appl. Math. 5, 39--46 (1957; Zbl 0080.10701) Full Text: DOI