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Found 359 Documents (Results 1–100)

Proceedings of the 3rd symposium of mathematics and its applications, Timişoara, Romania, November 3-4, 1989. (English, French) Zbl 0881.00030

Timişoara: Timişoara Research Centre of the Romanian Academy, Timişoara: “Traian Vuia” Polytechnical Institute, Department of Mathematics, vi, 272 p. (1990).
MSC:  00B25
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An unsaturated method for the discretization of systems of linear differential equations implicit with respect to derivatives. (English. Russian original) Zbl 0739.65060

U.S.S.R. Comput. Math. Math. Phys. 30, No. 5, 100-106 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 9, 1418-1425 (1990).
MSC:  65L05 65L20 34A34
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Best approximation of functions with bounded first derivative by piecewise constants in one and two dimensions. (English. Russian original) Zbl 0789.41015

Sov. J. Contemp. Math. Anal., Arm. Acad. Sci. 25, No. 3, 1-21 (1990); translation from Izv. Akad. Nauk Arm. SSR, Mat. 25, No. 3, 215-235 (1990).
MSC:  41A50 41A30
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Single-point and infinite alternants in the elementary \(\Sigma{}\Pi\)- approximation problem. (English. Russian original) Zbl 0768.41034

Vestn. Leningr. Univ., Math. 23, No. 2, 27-31 (1990); translation from Vestn. Leningr. Univ., Ser. I 1990, No. 2, 26-29 (1990).
Reviewer: T.Singh (Raipur)
MSC:  41A99
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Introduction to minimax. Translated from the Russian by D. Louvish. Reprint of the 1974 edition. (English) Zbl 0781.90079

New York: Dover Publications, Inc. vii, 307 p. (1990).
Reviewer: R.N.Kaul (Delhi)
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Theorie der majorisierbaren und stetigen Funktionale und ihre Anwendung bei der Extraktion von Schranken aus inkonstruktiven Beweisen: effektive Eindeutigkeitsmodule bei besten Approximationen aus ineffektiven Eindeutigkeitsbeweisen. (German) Zbl 0744.03056

Frankfurt a. M.: Univ. Frankfurt a. M., FB Math. xxii, 278 S. (1990).
MSC:  03F07 41A50
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Exact solutions of the nonlinear Dirac equation in terms of Bessel, Gauss and Legendre functions and Chebyshev-Hermite polynomials. (English. Russian original) Zbl 0739.35084

Ukr. Math. J. 42, No. 4, 500-503 (1990); translation from Ukr. Mat. Zh. 42, No. 4, 564-568 (1990).
MSC:  35Q40 33E99 33C45
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Anwendung der Tschebyscheff-Approximation auf analytische Lösungsmethoden zur Feldberechnung. (Application of the Chebyshev approximation to analytical solution methods for the field computation). (German) Zbl 0726.65143

Berlin: TU Berlin, FB 19/Elektrotechnik, Diss. 140 S. (1990).
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Spectral and high order methods for partial differential equations. Proceedings of the ICOSAHOM’89 conference, Villa Olmo, Como (Italy), 26- 29 June 1989. Repr. from the journal Computer Methods in Applied Mechanics and Engineering 80, Nos. 1-3 (1990). (English) Zbl 0744.73005

Amsterdam: North-Holland. 514 p. (1990).
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Introduction to analytic and probabilistic number theory. (Introduction à la théorie analytique et probabiliste des nombres.) (French) Zbl 0788.11001

Institut Élie Cartan, Université de Nancy I. 13. Nancy: Université de Nancy. xii, 499 p. (1990).
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Über komplexe Approximationsprobleme, die bei der iterativen Lösung linearer Gleichungssysteme entstehen. (On complex approximation problems resulting from the iterative solution of systems of linear equations). (German) Zbl 0697.65023

Hamburg: Universität, Fachbereich Mathematik, Diss. ii, 80 S. (1990).
Reviewer: Zhiping Dong
MSC:  65F10
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Numerische Algorithmen in Softwaresystemen unter besonderer Berücksichtigung der NAG-Bibliothek. (Numerical algorithms in software systems under special regard of the NAG library). (German) Zbl 0708.65001

Stuttgart: B.G. Teubner. xiv, 394 S. DM 58.00 (mit Diskette) (1990).
Reviewer: W.Govaerts
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Mathematical analysis and numerical methods for sciences and technology. (In six volumes). Volume 3: Spectral theory and applications. With the collaboration of Michel Artola and Michel Cessenat. Transl. from the French by John C. Amson. (English) Zbl 0766.47001

Berlin etc.: Springer-Verlag. x, 515 p. (1990).
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Some extremal problems on classes of functions determined by linear differential operators. (English. Russian original) Zbl 0729.42001

Math. USSR, Sb. 68, No. 1, 213-255 (1990); translation from Mat. Sb. 180, No. 10, 1355-1395 (1989).
Reviewer: B.Maslowski
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