Prasanna, Shanti; Sheth, I. H. Role of compactness in normality conditions for operators. (English) Zbl 0635.47026 J. Indian Math. Soc., New Ser. 45(1984), 181-192 (1981). MSC: 47B20 47B06 47B15 PDFBibTeX XMLCite \textit{S. Prasanna} and \textit{I. H. Sheth}, J. Indian Math. Soc., New Ser. 45, 181--192 (1981; Zbl 0635.47026)
Zhanlav, T.; Miroshnichenko, V. L. The spline-collocation method for parabolic equations with continuous and discontinuous coefficients. (Russian) Zbl 0585.41012 Vychisl. Sist. 87, 77-98 (1981). Reviewer: J.Gregor MSC: 41A15 65N35 PDFBibTeX XMLCite \textit{T. Zhanlav} and \textit{V. L. Miroshnichenko}, Vychisl. Sist. 87, 77--98 (1981; Zbl 0585.41012)
Ageev, A. L.; Babanov, Yu. A.; Vasin, V. V.; Ershov, N. V. Construction of regularizing algorithms for the determination of the structure of amorphous bodies by the method of X-ray-spectral structural analysis. (Russian) Zbl 0573.73116 Numerical and analytical methods for the solution of problems of continuum mechanics, Collect. Artic., Sverdlovsk 1981, 3-25 (1981). MSC: 74A60 74M25 45B05 45L05 PDFBibTeX XML
Beex, A. A. Louis; Scharf, Louis L. Covariance sequence approximation for parametric spectrum modeling. (English) Zbl 0539.62101 IEEE Trans. Acoust. Speech Signal Process. 29, 1042-1052 (1981). MSC: 62M15 62B10 PDFBibTeX XMLCite \textit{A. A. L. Beex} and \textit{L. L. Scharf}, IEEE Trans. Acoust. Speech Signal Process. 29, 1042--1052 (1981; Zbl 0539.62101) Full Text: DOI
Gottlieb, David; Orszag, Steven A.; Turkel, Eli Stability of pseudospectral and finite-difference methods for variable coefficient problems. (English) Zbl 0537.65084 Math. Comput. 37, 293-305 (1981). Reviewer: L.Boubelíková MSC: 65N35 65N12 35L50 PDFBibTeX XMLCite \textit{D. Gottlieb} et al., Math. Comput. 37, 293--305 (1981; Zbl 0537.65084) Full Text: DOI
Onishi, Kazuei; Kuroki, Takemi; Ohura, Yoko; Obata, Kinko; Ito, Tomoko Boundary element method in transient heat transfer problems. (English) Zbl 0534.73069 Bull. Inst. Adv. Res. Fukuoka Univ. 55, Nat. Sci. 11, 1-166 (1981). MSC: 74S30 74-04 65R20 65N35 74A15 74S99 80A20 PDFBibTeX XMLCite \textit{K. Onishi} et al., Bull. Inst. Adv. Res. Fukuoka Univ., Nat. Sci. 55(11), 1--166 (1981; Zbl 0534.73069)
Kantorovich, L. V.; Akilov, G. P. Analyse functionnelle. Traduit du russe par Djilali Embarek. (French) Zbl 0531.46001 Moscou: Editions Mir. 342 p. (1981). MSC: 46-01 47B06 47A50 46B03 46B10 47A05 47B15 47H10 65J10 65J15 91B99 PDFBibTeX XML
Joseph, Daniel D. Stability of fluid motions. Vol. I, II. (Ustojchivost’dvizhenij zhidkosti. Tom 1, 2). Transl. from the English by Yu. N. Belyaev and I. M. Yavorskaya. (Russian) Zbl 0528.76046 Moskva: Izdatel’stvo ”Mir”. 640 p. (1981). MSC: 76Exx 76-02 76E99 49S05 76A05 76D05 76A10 76T99 76S05 PDFBibTeX XML
Drygajlo, A.; Pietraszek, S. Natural, dyadic and sequential orders in fast Walsh transform algorithms. (Polish) Zbl 0527.65100 Arch. Autom. Telemech. 26, 445-463 (1981). MSC: 65C99 65F30 62M10 62M15 65T40 PDFBibTeX XMLCite \textit{A. Drygajlo} and \textit{S. Pietraszek}, Arch. Autom. Telemech. 26, 445--463 (1981; Zbl 0527.65100)
Huang, Renlin; Hu, Shan Wen On the approximation of operators. (Chinese) Zbl 0516.41018 J. East China Norm. Univ., Nat. Sci. Ed. 1981, No. 4, 19-24 (1981). MSC: 41A36 47A55 47B15 PDFBibTeX XMLCite \textit{R. Huang} and \textit{S. W. Hu}, J. East China Norm. Univ., Nat. Sci. Ed. 1981, No. 4, 19--24 (1981; Zbl 0516.41018)
Dewilde, Patrick Stochastic modeling with orthogonal filters. (English) Zbl 0508.93059 Algorithmes rapides pour le traitement des systemes dynamiques lineaires, Colloq., Aussois/France 1981, Tome 1, Exp. No. 6, 68 p. (1981). MSC: 93E12 60G10 93E11 47A40 62M20 93B17 93E10 94A17 PDFBibTeX XML
Koscinski, Jan; Trybus, Leszek Kalman filter simulation for tubular isothermal reactor with recycling. (English) Zbl 0508.93055 Syst. Sci. 7, 149-166 (1981). MSC: 93E11 80A32 93C20 65C99 65N35 PDFBibTeX XMLCite \textit{J. Koscinski} and \textit{L. Trybus}, Syst. Sci. 7, 149--166 (1981; Zbl 0508.93055)
Krejn, M. G.; Yavryan, V. A. The spectral shift function arising from perturbations of a positive operator. (Russian) Zbl 0505.47016 J. Oper. Theory 6, 155-191 (1981). MSC: 47B25 47A55 47B10 47B06 PDFBibTeX XMLCite \textit{M. G. Krejn} and \textit{V. A. Yavryan}, J. Oper. Theory 6, 155--191 (1981; Zbl 0505.47016)
Csernyak, L.; Joo, I. A new proof of a theorem of Szegoe by a method of Il’in. (English) Zbl 0505.42001 Approximation and function spaces, Proc. int. Conf., Gdansk 1979, 233-238 (1981). MSC: 42A10 35P99 PDFBibTeX XML
Dieudonné, Jean Éléments d’analyse. Tome I: Fondements de l’analyse moderne. Traduit de l’anglais par D. Huet. Avant-propos de M. G. Julia. 3e ed. (French) Zbl 0504.46001 Cahiers Scientifiques, Fasc. XXVIII. Paris: Gauthier-Villars. XXI, 390 p. (1981). MSC: 46-02 47-02 46G05 46C05 54E35 46B03 46B10 32Axx 47B06 PDFBibTeX XML
Filippov, V. N. Spectral synthesis in certain spaces of entire functions of exponential type. (English. Russian original) Zbl 0501.46025 Math. Notes 30, 756-760 (1982); translation from Mat. Zametki 30, 527-534 (1981). MSC: 46E10 32A15 32E30 PDFBibTeX XMLCite \textit{V. N. Filippov}, Math. Notes 30, 756--760 (1981; Zbl 0501.46025); translation from Mat. Zametki 30, 527--534 (1981) Full Text: DOI
Goodrich, R. Kent; Gustafson, Karl E. Higher dimensional spectral factorization with applications to digital filtering. (English) Zbl 0496.93054 Spectral theory of differential operators, Proc. Conf., Birmingham/ USA 1981, North-Holland Math. Stud. 55, 199-205 (1981). MSC: 93E11 41A63 42A10 PDFBibTeX XML
Krasichkov-Ternovskij, I. F. For every invariant subspace admitting spectral synthesis there exists a method of approximation. (English. Russian original) Zbl 0495.43004 Sib. Math. J. 22, 386-399 (1982); translation from Sib. Mat. Zh. 22, No. 3, 74-90 (1981). MSC: 43A45 PDFBibTeX XMLCite \textit{I. F. Krasichkov-Ternovskij}, Sib. Math. J. 22, 386--399 (1981; Zbl 0495.43004); translation from Sib. Mat. Zh. 22, No. 3, 74--90 (1981) Full Text: DOI EuDML
Stetsenko, V. Ya. A criterion for indecomposability of a product of linear operators. (Russian) Zbl 0493.47018 Dokl. Akad. Nauk Tadzh. SSR 24, 280-283 (1981). MSC: 47B60 47B06 47B15 47Gxx PDFBibTeX XMLCite \textit{V. Ya. Stetsenko}, Dokl. Akad. Nauk Tadzh. SSR 24, 280--283 (1981; Zbl 0493.47018)
Swarztrauber, Paul N. The approximation of vector functions and their derivatives on the sphere. (English) Zbl 0492.65010 SIAM J. Numer. Anal. 18, 191-210 (1981). MSC: 65D15 65D25 PDFBibTeX XMLCite \textit{P. N. Swarztrauber}, SIAM J. Numer. Anal. 18, 191--210 (1981; Zbl 0492.65010) Full Text: DOI
Angelini, Jean; Boujot, Jacqueline; Durand, Marc Sur une propriété de compacité pour la résolution d’un problème de couplage exterieur. (French) Zbl 0491.35075 C. R. Acad. Sci., Paris, Sér. I 293, 327-330 (1981). MSC: 35R15 35A35 74A55 74M15 35J05 45K05 47B06 PDFBibTeX XMLCite \textit{J. Angelini} et al., C. R. Acad. Sci., Paris, Sér. I 293, 327--330 (1981; Zbl 0491.35075)
Wegman, Edward J. Vector splines and the estimation of filter functions. (English) Zbl 0485.62110 Technometrics 23, 83-89 (1981). MSC: 62M15 93E14 93E10 62M20 41A15 65D10 PDFBibTeX XMLCite \textit{E. J. Wegman}, Technometrics 23, 83--89 (1981; Zbl 0485.62110) Full Text: DOI
Maday, Yvon; Quarteroni, Alfio Approximation de l’équation de Burgers stationnaire par des méthodes spectrales. (French) Zbl 0483.35073 C. R. Acad. Sci., Paris, Sér. I 293, 143-146 (1981). MSC: 35Q99 35A35 35P30 PDFBibTeX XMLCite \textit{Y. Maday} and \textit{A. Quarteroni}, C. R. Acad. Sci., Paris, Sér. I 293, 143--146 (1981; Zbl 0483.35073)
Kurepa, Svetozar Functional analysis. Elements of operator theory. (Funkcionalna analiza. Elementi teorije operatora). (Serbo-Croatian) Zbl 0482.47002 Zagreb: Skolska Knjiga. XV, 561 p. Dinar 550.00 (1981). MSC: 47-01 46-01 47B15 46B03 46B10 46C05 47A10 47A60 47B06 46A08 46A30 PDFBibTeX XML
Rogers, Donald D.; Ward, Joseph D. \(C_ p-\)minimal positive approximants. (English) Zbl 0481.47012 Acta Sci. Math. 43, 109-115 (1981). MSC: 47B10 47B15 41A36 PDFBibTeX XMLCite \textit{D. D. Rogers} and \textit{J. D. Ward}, Acta Sci. Math. 43, 109--115 (1981; Zbl 0481.47012)
Weiss, Gary The Fuglede commutativity theorem modulo the Hilbert-Schmidt class and generating functions for matrix operators. II. (English) Zbl 0478.47005 J. Oper. Theory 5, 3-16 (1981). MSC: 47A30 47B47 47A67 47B06 47B10 47B15 PDFBibTeX XMLCite \textit{G. Weiss}, J. Oper. Theory 5, 3--16 (1981; Zbl 0478.47005)
Weiss, Gary The Fuglede commutativity theorem modulo operator ideals. (English) Zbl 0478.47004 Proc. Am. Math. Soc. 83, 113-118 (1981). MSC: 47A30 47B06 47B47 47B10 47A55 47L30 47B15 PDFBibTeX XMLCite \textit{G. Weiss}, Proc. Am. Math. Soc. 83, 113--118 (1981; Zbl 0478.47004) Full Text: DOI
Dewilde, Patrick; Dym, Harry Schur recursions, error formulas, and convergence of rational estimators for stationary stochastic sequences. (English) Zbl 0477.93057 IEEE Trans. Inf. Theory 27, 446-461 (1981). MSC: 93E10 93E11 93E25 94A17 60G25 62J10 PDFBibTeX XMLCite \textit{P. Dewilde} and \textit{H. Dym}, IEEE Trans. Inf. Theory 27, 446--461 (1981; Zbl 0477.93057) Full Text: DOI
Freeden, W. On approximation by harmonic splines. (English) Zbl 0475.41010 Manuscr. Geod. 6, 193-244 (1981). MSC: 41A15 65D05 65D07 31B05 65D10 65N35 41A05 41A50 PDFBibTeX XMLCite \textit{W. Freeden}, Manuscr. Geod. 6, 193--244 (1981; Zbl 0475.41010)
Mercier, B.; Osborn, J.; Rappaz, J.; Raviart, P. A. Eigenvalue approximation by mixed and hybrid methods. (English) Zbl 0472.65080 Math. Comput. 36, 427-453 (1981). MSC: 65N25 65N30 35P15 65N15 PDFBibTeX XMLCite \textit{B. Mercier} et al., Math. Comput. 36, 427--453 (1981; Zbl 0472.65080) Full Text: DOI
Chatelin, Francoise The spectral approximation of linear operators with applications to the computation of eigenelements of differential and integral operators. (English) Zbl 0472.65048 SIAM Rev. 23, 495-522 (1981). MSC: 65J10 65R20 65L15 47A10 45C05 34L99 PDFBibTeX XMLCite \textit{F. Chatelin}, SIAM Rev. 23, 495--522 (1981; Zbl 0472.65048) Full Text: DOI
Moszynski, Krzysztof Approximation of the spectrum of a bounded, normal operator with the help of its spectral density functions. (English) Zbl 0472.47004 Prepr., Inst. Math., Pol. Acad. Sci., Warsz. 249, 41 p. (1981). MSC: 47A10 47B15 65J99 41A55 PDFBibTeX XML
Gomez Gil, Javier Spectrum and prismary ideals of the algebra \(Cwb^ p(\)E) of weakly differentiable functions on a Banach space. (Spanish) Zbl 0468.46014 Rev. R. Acad. Cienc. Exactas Fis. Nat. Madr. 75, 514-519 (1981). MSC: 46E10 PDFBibTeX XMLCite \textit{J. Gomez Gil}, Rev. R. Acad. Cienc. Exactas Fís. Nat. Madr. 75, 514--519 (1981; Zbl 0468.46014) Full Text: EuDML
Achieser, N. I.; Glasmann, I. M. Theorie der linearen Operatoren im Hilbert-Raum. 8., erw. Aufl. Hrsg. von H. Baumgärtel. Übers. aus dem Russischen. Lizenzausg. (German) Zbl 0467.47002 Thun, Frankfurt am Main: Verlag Harri Deutsch. 496 S. SFr./DM 59.80 (1981). MSC: 47-02 47C05 47B06 47B10 47B15 47B25 47E05 47Gxx PDFBibTeX XML
Akhiezer, N. I.; Glazman, I. M. Theory of linear operators in Hilbert space. Vol. I, II. Transl. from the 3rd Russian ed. by E. R. Dawson, ed. by W. N. Everitt. (English) Zbl 0467.47001 Monographs and Studies in Mathematics, 9, 10. Publ. in association with Scottish Academic Press, Edinburgh. Boston - London -Melbourne: Pitman Advanced Publishing Program. XXXII, 552 p. £38.50 (Vol. 1); £29.50 (Vol. 2) (1981). MSC: 47-02 46C05 47B06 47B10 47B15 47B25 47E05 47Gxx PDFBibTeX XML
Driscoll, Richard J.; Kennedy, Lawrence A. Spectral transfer and velocity derivative skewness equation for a turbulent velocity field. (English) Zbl 0466.76050 Phys. Fluids 24, 1428-1430 (1981). MSC: 76F99 PDFBibTeX XMLCite \textit{R. J. Driscoll} and \textit{L. A. Kennedy}, Phys. Fluids 24, 1428--1430 (1981; Zbl 0466.76050) Full Text: DOI
Hayes, L. J. A comparison of alternating-direction collocation methods for the transport equation. (English) Zbl 0463.65076 New concepts in finite element analysis, Appl. Mech. Conf., Boulder/Colo. 1981, AMD-Vol. 44, 169-177 (1981). MSC: 65N35 65F10 35K20 76R99 PDFBibTeX XML
Ng, Edward W. Simplification of multiple Fourier series: An example of algorithmic approach. (English) Zbl 0461.68045 Comput. Math. Appl. 7, 355-359 (1981). MSC: 68W30 62M10 65T40 PDFBibTeX XMLCite \textit{E. W. Ng}, Comput. Math. Appl. 7, 355--359 (1981; Zbl 0461.68045) Full Text: DOI
Griffel, D. H. Applied functional analysis. (English) Zbl 0461.46001 Ellis Horwood Series in Mathematics and its Applications. Chichester: Ellis Horwood Limited, Publishers. New York etc.: Halsted Press: a division of John Wiley & Sons. 386 p. £25.00 (1981). MSC: 46-01 46C05 46F05 46B03 46B10 46E15 46E20 46E30 46E35 46F10 46F12 47A05 47A10 47A53 47A70 47B06 47B38 47D03 47E05 47F05 47Gxx 47H10 47J05 47J25 49R50 34A30 34A35 34L99 34C15 34D99 34E99 35A05 35A08 35A15 35A22 35B32 35B35 35C20 35E05 35J05 35K05 35L05 35J15 35J20 35J30 35J35 35P05 42A16 42A20 42A65 42B05 45B05 45C05 45D05 45G10 70J25 70K20 70K30 37G99 76R99 76U05 PDFBibTeX XML
Krasichkov-Ternovskij, I. F. Spectral synthesis on systems of unbounded convex domains. (English) Zbl 0461.43010 Math. USSR, Sb. 39, 343-357 (1981). MSC: 43A45 41A40 46J15 30D15 30D20 30E10 PDFBibTeX XMLCite \textit{I. F. Krasichkov-Ternovskij}, Math. USSR, Sb. 39, 343--357 (1981; Zbl 0461.43010) Full Text: DOI
Krasichkov-Ternovskij, I. F. Spectral synthesis of analytic functions on systems of convex domains. (English) Zbl 0461.43009 Math. USSR, Sb. 39, 1-35 (1981). MSC: 43A45 47A50 30E10 30H05 PDFBibTeX XMLCite \textit{I. F. Krasichkov-Ternovskij}, Math. USSR, Sb. 39, 1--35 (1981; Zbl 0461.43009) Full Text: DOI
Descloux, Jean; Luskin, Mitchell; Rappaz, Jacques Approximation of the spectrum of closed operators: The determination of normal modes of a rotating basin. (English) Zbl 0458.65084 Math. Comput. 36, 137-154 (1981). MSC: 65N25 47A10 65N30 65J10 76B10 47F05 35P05 35P15 PDFBibTeX XMLCite \textit{J. Descloux} et al., Math. Comput. 36, 137--154 (1981; Zbl 0458.65084) Full Text: DOI