zu Castell, W. (ed.); Ehrich, S. (ed.); Filbir, F. (ed.) Special issue: Special functions in harmonic analysis and applications, Kloster Irsee, Germany, July 19–23, 2004. (English) Zbl 1099.33500 J. Comput. Appl. Math. 199, No. 1, 196 p. (2007). MSC: 33-06 42-06 43-06 65-06 00B25 PDF BibTeX XML Cite \textit{W. zu Castell} (ed.) et al., J. Comput. Appl. Math. 199, No. 1, 196 p. (2007; Zbl 1099.33500)
Prestin, Jürgen (ed.); Ehrich, Sven (ed.); Filbir, Frank (ed.); Girgensohn, Roland (ed.); Lasser, Rupert (ed.); Obermaier, Josef (ed.) Special volume on orthogonal polynomials, approximation theory, and harmonic analysis. Selected papers from the third international workshop on orthogonal polynomials, approximation theory, and harmonic analysis, April 14–18, 2000, Inzell, Germany. (English) Zbl 1011.00034 ETNA, Electron. Trans. Numer. Anal. 14, 1-235 (2002). MSC: 00B25 65-06 68-06 33-06 PDF BibTeX XML Cite \textit{J. Prestin} (ed.) et al., ETNA, Electron. Trans. Numer. Anal. 14, 1--235 (2002; Zbl 1011.00034)
Ehrich, S. Pointwise error bounds for orthogonal cardinal spline approximation. (English) Zbl 1019.41007 Appl. Math. Comput. 128, No. 2-3, 237-260 (2002). MSC: 41A15 65D07 PDF BibTeX XML Cite \textit{S. Ehrich}, Appl. Math. Comput. 128, No. 2--3, 237--260 (2002; Zbl 1019.41007) Full Text: DOI
Ehrich, Sven Explicit inequalities for wavelet coefficients. (English) Zbl 1018.42022 Appl. Anal. 78, No. 1-2, 1-8 (2001). MSC: 42C40 65T60 41A15 PDF BibTeX XML Cite \textit{S. Ehrich}, Appl. Anal. 78, No. 1--2, 1--8 (2001; Zbl 1018.42022) Full Text: DOI
Ehrich, S.; Rathsfeld, A. Piecewise linear wavelet collocation, approximation of the boundary manifold, and quadrature. (English) Zbl 1002.65144 ETNA, Electron. Trans. Numer. Anal. 12, 149-192 (2001). Reviewer: I.V.Boikov (Penza) MSC: 65R20 65N38 35J25 65N15 65N35 45E10 65T60 PDF BibTeX XML Cite \textit{S. Ehrich} and \textit{A. Rathsfeld}, ETNA, Electron. Trans. Numer. Anal. 12, 149--192 (2001; Zbl 1002.65144) Full Text: EMIS EuDML
Ehrich, Sven Error bounds for linear approximations on the real line. (English) Zbl 0980.41032 Analysis, München 20, No. 1, 51-63 (2000). Reviewer: Costica Mustăţa (Cluj-Napoca) MSC: 41A80 65D99 PDF BibTeX XML Cite \textit{S. Ehrich}, Analysis, München 20, No. 1, 51--63 (2000; Zbl 0980.41032) Full Text: DOI
Ehrich, Sven Stieltjes polynomials and the error of Gauss-Kronrod quadrature formulas. (English) Zbl 0941.65021 Gautschi, W. (ed.) et al., Applications and computation of orthogonal polynomials. Conference at the Mathematical Research Institute Oberwolfach, Germany, March 22-29, 1998. Dedicated to the memory of Günther Hämmerlin. Basel: Birkhäuser. ISNM, Int. Ser. Numer. Math. 131, 57-77 (1999). MSC: 65D32 41A55 42C05 PDF BibTeX XML Cite \textit{S. Ehrich}, ISNM, Int. Ser. Numer. Math. 131, 57--77 (1999; Zbl 0941.65021)
Ehrich, Sven On orthogonal polynomials for certain nondefinite linear functionals. (English) Zbl 0942.42014 J. Comput. Appl. Math. 99, No. 1-2, 119-128 (1998). Reviewer: Václav Burjan (Praha) MSC: 42C05 33C45 26C10 65D07 41A15 PDF BibTeX XML Cite \textit{S. Ehrich}, J. Comput. Appl. Math. 99, No. 1--2, 119--128 (1998; Zbl 0942.42014) Full Text: DOI
Ehrich, Sven Sard-optimal prefilters for the fast wavelet transform. (English) Zbl 0902.65097 Numer. Algorithms 16, No. 3-4, 303-319 (1997). Reviewer: Khalifa Trimèche (Tunis) MSC: 65T60 42C40 PDF BibTeX XML Cite \textit{S. Ehrich}, Numer. Algorithms 16, No. 3--4, 303--319 (1997; Zbl 0902.65097) Full Text: DOI
Ehrich, Sven; Mastroianni, Giuseppe Stieltjes polynomials and Lagrange interpolation. (English) Zbl 0854.41002 Math. Comput. 66, No. 217, 311-331 (1997). MSC: 41A05 65D05 33C45 PDF BibTeX XML Cite \textit{S. Ehrich} and \textit{G. Mastroianni}, Math. Comput. 66, No. 217, 311--331 (1997; Zbl 0854.41002) Full Text: DOI
Ehrich, S.; Mastroianni, G. On generalized Stieltjes polynomials and Lagrange interpolation. (English) Zbl 0863.41002 Vértesi, P. (ed.) et al., Approximation theory and function series. Proceedings of the international conference dedicated to Károly Tandori on his 70th birthday, Budapest, Hungary, August 21–25, 1995. Budapest: János Bolyai Mathematical Society. Bolyai Soc. Math. Stud. 5, 187-203 (1996). Reviewer: G.D.Dikshit (Auckland) MSC: 41A05 65D05 PDF BibTeX XML Cite \textit{S. Ehrich} and \textit{G. Mastroianni}, Bolyai Soc. Math. Stud. 5, 187--203 (1996; Zbl 0863.41002)
Ehrich, Sven High order error constants of Gauss-Kronrod quadrature formulas. (English) Zbl 0859.41022 Analysis 16, No. 4, 335-345 (1996). MSC: 41A55 65D32 PDF BibTeX XML Cite \textit{S. Ehrich}, Analysis 16, No. 4, 335--345 (1996; Zbl 0859.41022) Full Text: DOI
Ehrich, S.; Förster, K.-J. On exit criteria in quadrature using Peano kernel inclusions. II: Exit criteria for Gauss-type quadrature formulas. (English) Zbl 0850.65033 Z. Angew. Math. Mech. 75, Suppl. 2, S627-S628 (1995). MSC: 65D32 41A55 PDF BibTeX XML Cite \textit{S. Ehrich} and \textit{K. J. Förster}, Z. Angew. Math. Mech. 75, S627--S628 (1995; Zbl 0850.65033)
Ehrich, S.; Förster, K.-J. On exit criteria in quadrature using Peano kernel inclusions. I: Introduction and basic results. (English) Zbl 0850.65032 Z. Angew. Math. Mech. 75, Suppl. 2, S625-S626 (1995). MSC: 65D32 41A55 PDF BibTeX XML Cite \textit{S. Ehrich} and \textit{K. J. Förster}, Z. Angew. Math. Mech. 75, S625--S626 (1995; Zbl 0850.65032)
Ehrich, S. Gauss-Kronrod quadrature error estimates for analytic functions. (English) Zbl 0806.41018 Z. Angew. Math. Mech. 74, No. 6, T691-T693 (1994). Reviewer: S.Ehrich (Hildesheim) MSC: 41A55 41A80 30E20 33C45 65D32 PDF BibTeX XML Cite \textit{S. Ehrich}, Z. Angew. Math. Mech. 74, No. 6, T691--T693 (1994; Zbl 0806.41018)
Ehrich, S. Einige neue Ergebnisse zu den Fehlerkonstanten der Gauß-Kronrod- Quadraturformel. (German) Zbl 0804.41026 Z. Angew. Math. Mech. 73, No. 7-8, T882-T886 (1993). Reviewer: S.Ehrich MSC: 41A55 65D30 65D32 65G50 PDF BibTeX XML Cite \textit{S. Ehrich}, Z. Angew. Math. Mech. 73, No. 7--8, T882--T886 (1993; Zbl 0804.41026)
Ehrich, Sven On the construction of Gaussian quadrature formulae containing preassigned nodes. (English) Zbl 0799.65024 Brass, H. (ed.) et al., Numerical integration IV. Proceedings of the conference at the Mathematical Research Institute, Oberwolfach, Germany, November 8-14, 1992. Berlin: Birkhäuser. ISNM, Int. Ser. Numer. Math. 112, 67-76 (1993). Reviewer: A.C.Genz (Pullman) MSC: 65D32 41A55 PDF BibTeX XML Cite \textit{S. Ehrich}, ISNM, Int. Ser. Numer. Math. 112, 67--76 (1993; Zbl 0799.65024)