L₁-APPROXIMATION VERALLGEMEINERTER KONVEXER FUNKTIONEN DURCH SPLINES MIT FREIEN KNOTEN = APPROXIMATION L₁ DE FONCTIONS CONVEXES GENERALES AVEC NOEUDS LIBRESJETTER K.1978; MATH. Z.; DEU; DA. 1978; VOL. 164; NO 1; PP. 53-66; BIBL. 28 REF.Article

A NEW CLASS OF GAUSSIAN QUADRATURE FORMULAS BASED ON BIRKHOFF TYPE DATAJETTER K.1982; SIAM J. NUMER. ANAL.; ISSN 0036-1429; USA; DA. 1982; VOL. 19; NO 5; PP. 1081-1089; BIBL. 10 REF.Article

NULLSTELLEN VON SPLINES. = POINTS NULS DE FONCTIONS SPLINESJETTER K.1976; LECTURE NOTES MATH.; GERM.; DA. 1976; NO 556; PP. 291-304; BIBL. 1 P. 1/2; (APPROXIMATION THEORY. PROC. INT. COLLOQ.; BONN; 1976)Conference Paper

FEHLERBETRACHTUNGEN BEI INTERPOLATORISCHEN QUADRATURFORMELN. = CONSIDERATIONS SUR LES ERREURS DANS LES FORMULES DE QUADRATURE INTERPOLATOIRESJETTER K.1975; Z. ANGEW. MATH. MECH.; DTSCH.; DA. 1975; VOL. 55; NO 4; PP. 242-243; BIBL. 2 REF.; (WISS. JAHRESTAG. GES. ANGEW. MATH. MECH. VORTR.; BOCHUM; 1974)Conference Paper

MINIMUM NORM QUADRATURE IN THE SOBOLEV SPACES W_Q^MJETTER K.1979; SER. INTERNATION. ANAL. NUMER.; CHE; DA. 1979; VOL. 45; PP. 165-174; BIBL. 19 REF.Conference Paper

DUALE HERMITE-BIRKHOFF-PROBLEME. = PROBLEME D'HERMITE-BIRKHOFFDUALJETTER K.1976; J. APPROXIM. THEORY; U.S.A.; DA. 1976; VOL. 17; NO 2; PP. 119-134; BIBL. 12 REF.Article

EIN ELEMENTARER BEWEIS DES SATZES VON KREIN = UNE DEMONSTRATION ELEMENTAIRE DU THEOREME DE KREINJETTER K.1982; SER. INT. ANAL. NUMER.; ISSN 0373-3149; CHE; DA. 1982; VOL. 57; PP. 148-153; BIBL. 7 REF.Conference Paper

Eine kurze Anmerkung zur Romberg-Integration = Une courte note sur l'intégration de Romberg = A short note on Romberg integrationJETTER, K.Numerische Mathematik. 1984, Vol 45, Num 2, pp 275-281, issn 0029-599XArticle

A NOTE ON NUMERICAL FOURIER ANALYSIS AND UNIFORM APPROXIMATION ON CUBES.JETTER K; LOCHER F.1977; LECTURE NOTES MATH.; GERM.; DA. 1977; NO 571; PP. 109-118; BIBL. 7 REF.; (CONSTRUCTIVE THEORY FUNCT. SEVERAL VARIABLES. PROC. CONF.; OBERWOLFACH; 1976)Conference Paper

DIE EINDEUTIGKEIT L₂-OPTIMALER POLYNOMIALER MONOSPLINES. = L'UNICITE DES MONOSPLINES POLYNOMIAUX L₂-OPTIMAUXJETTER K; LANGE G.1978; MATH. Z.; DTSCH.; DA. 1978; VOL. 158; NO 1; PP. 23-34; ABS. ANGL.; BIBL. 28 REF.Article

Uniqueness of Gauss-Birkhoff quadrature formulasJETTER, K.SIAM journal on numerical analysis. 1987, Vol 24, Num 1, pp 147-154, issn 0036-1429Article

Cardinal interpolation with shifted three-directional box splinesBINEV, P; JETTER, K.Proceedings of the Royal Society of Edinburgh. Section A. Mathematics. 1992, Vol 122, Num 3-4, pp 205-220, issn 0308-2105Article

Existence of a Gaussian quadrature formulas for Birkhoff type dataDYN, N; JETTER, K.Archiv der Mathematik. 1989, Vol 52, Num 6, pp 588-594, issn 0003-889XArticle

Jackson-type theorems on approximation by trigonometric and algebric pseudopolynomialsGONSKA, H; JETTER, K.Journal of approximation theory. 1986, Vol 48, Num 4, pp 396-406, issn 0021-9045Article

A new subdivision method for bivariate splines on the four-directional meshCONTI, C; JETTER, K.Journal of computational and applied mathematics. 2000, Vol 119, Num 1-2, pp 81-96, issn 0377-0427Article

Methoden der Fourier-Transformation bei der kardinalen Interpolation periodischer DatenJETTER, K; KOCH, P.International series of numerical mathematics. 1989, Vol 90, pp 201-208, issn 0373-3149Conference Paper

Algorithms for cardinal interpolation using box splines and radial basis functionsJETTER, K; STÖCKLER, J.Numerische Mathematik. 1991, Vol 60, Num 1, pp 97-114, issn 0029-599XArticle

Schoenberg's exponential Euler spline curvesJETTER, K; RIEMENSCHNEIDER, S. D; SIVAKUMAR, N et al.Proceedings of the Royal Society of Edinburgh. Section A. Mathematics. 1991, Vol 118, Num 1-2, pp 21-33, issn 0308-2105Article

Cardinal interpolation with differences of tempered functionsCHUI, C. K; WARD, J. D; JETTER, K et al.Computers & mathematics with applications (1987). 1992, Vol 24, Num 12, pp 35-48, issn 0898-1221Article

Best harmonic L¹ approximation to subharmonic functionsGOLDSTEIN, M; HAUSSMANN, W; JETTER, K et al.Journal of the London Mathematical Society. 1984, Vol 30, Num 2, pp 257-264, issn 0024-6107Article

Error estimates for scattered data interpolation on spheresJETTER, K; STÖCKLER, J; WARD, J. D et al.Mathematics of computation. 1999, Vol 68, Num 226, pp 733-747, issn 0025-5718Article

Degree of best approximation by trigonometric blending functionsHAUSSMANN, W; JETTER, K; STEINHAUS, B et al.Mathematische Zeitschrift. 1985, Vol 189, Num 1, pp 143-150, issn 0025-5874Article

Smoothed hat functions in subdivisionCONTI, C; JETTER, K.Journal of computational and applied mathematics. 2008, Vol 221, Num 2, pp 330-345, issn 0377-0427, 16 p.Conference Paper

Principles and applications of wavelet transformation to chemometricsJETTER, K; DEPCZYNSKI, U; MOLT, K et al.Analytica chimica acta. 2000, Vol 420, Num 2, pp 169-180, issn 0003-2670Conference Paper