Schwartz, Paul Two theorems on sums in continuous function spaces. (English) Zbl 0374.41014 Approx. Theory, Proc. int. Symp., Austin 1973, 477-480 (1973). MSC: 41A65 41A50 PDFBibTeX XML
Deutsch, Frank Cardinality of extreme points of the unit sphere with applications to nonexistence theorems in approximation theory. (English) Zbl 0332.41022 Approx. Theory, Proc. int. Symp., Austin 1973, 319-323 (1973). MSC: 41A65 41A50 PDFBibTeX XML
Carroll, M. P. On simultaneous \(L_1\) approximation. (English) Zbl 0332.41021 Approx. Theory, Proc. int. Symp., Austin 1973, 295-297 (1973). MSC: 41A65 41A50 PDFBibTeX XML
Popov, V. A. Direct and converse theorem for spline approximation with free knots. (English) Zbl 0332.41008 C. r. Acad. Bulg. Sci. 26, 1297-1299 (1973). MSC: 41A15 41A50 PDFBibTeX XMLCite \textit{V. A. Popov}, C. R. Acad. Bulg. Sci. 26, 1297--1299 (1973; Zbl 0332.41008)
Kosmol, Peter Grenzwerte des Polya-Algorithmus und Vektormaximumproblem. (German) Zbl 0331.90048 Operations Res.-Verf. 17, 201-206 (1973). MSC: 90C25 41A50 PDFBibTeX XML
Sippel, Wilhelm Approximation by functions with restricted ranges. (English) Zbl 0331.41020 Approx. Theory, Proc. int. Symp., Austin 1973, 481-484 (1973). MSC: 41A50 41A30 PDFBibTeX XML
Blatter, J.; Seever, G. L. Inclusions, interposition and approximation. (English) Zbl 0329.41020 Approx. Theory. Proc. int. Symp., Austin 1973, 257-261 (1973). MSC: 41A50 41A65 46A40 PDFBibTeX XML
Hallstrom, Alfred P. Some spaces where best uniform approximation always fails. (English) Zbl 0329.41019 Approx. Theory, Proc. int. Symp., Austin 1973, 369-371 (1973). MSC: 41A50 PDFBibTeX XML
de Figueiredo, Rui J. P. Butterworth and Chebyshev splines. (English) Zbl 0329.41013 Approx. Theory, Proc. int. Symp., Austin 1973, 341-343 (1973). MSC: 41A15 PDFBibTeX XML
Amir, Dan; Ziegler, Zvi Characterizations of generalized convex functions by their best \(L^p\)- approximations. (English) Zbl 0325.41021 Approx. Theory, Proc. int. Symp., Austin 1973, 241-245 (1973). MSC: 41A50 PDFBibTeX XML
Kammler, David W. Existence of best approximations by exponential sums in several independent variables. (English) Zbl 0321.41013 Approx. Theory, Proc. int. Symp., Austin 1973, 383-386 (1973). MSC: 41A30 41A50 41A63 PDFBibTeX XML
Elliott, D. A direct method for ’almost’ best uniform approximation. (English) Zbl 0319.65005 Error, Approx., Accuracy; Proc. Semin. Aust. natl. Univ. 1972, 129-143 (1973). MSC: 65D10 41A10 41A20 41A50 PDFBibTeX XML
Görlich, E. Bohr type inequalities for Fourier expansions in Banach spaces. (English) Zbl 0319.42010 Approx. Theory, Proc. int. Symp., Austin 1973, 359-363 (1973). MSC: 42C10 41A50 42A45 41A10 41A30 PDFBibTeX XML
Chui, Charles K.; Ching, Chin-Hung Approximation of functions from their means. (English) Zbl 0319.41031 Approx. Theory, Proc. int. Symp., Austin 1973, 307-311 (1973). MSC: 41A50 30E10 40A05 41A10 41A65 PDFBibTeX XML
Ling, William H.; Tornga, J. Edward The constant error curve problem for varisolvent families. (English) Zbl 0319.41026 Approx. Theory, Proc. int. Symp., Austin 1973, 411-414 (1973). MSC: 41A50 41A30 PDFBibTeX XML
Brosowski, B.; Hoffmann, K.-H. A variational inequality and some applications in approximation theory. (English) Zbl 0317.41030 Approx. Theory, Proc. int. Symp., Austin 1973, 283-289 (1973). MSC: 41A65 49J99 41A50 PDFBibTeX XML
Braess, Dietrich Global analysis and Chebyshev approximation by exponentials. (English) Zbl 0317.41027 Approx. Theory, Proc. int. Symp., Austin 1973, 277-282 (1973). MSC: 41A50 41A30 PDFBibTeX XML
Dunham, Charles B. Varisolvent Chebyshev approximation on subsets. (English) Zbl 0317.41022 Approx. Theory, Proc. int. Symp., Austin 1973, 337-340 (1973). MSC: 41A50 PDFBibTeX XML
Rice, John R. On the computational complexity of approximation operators. (English) Zbl 0317.41019 Approx. Theory, Proc. int. Symp., Austin 1973, 449-455 (1973). MSC: 41A50 41A10 41A15 41A35 PDFBibTeX XML
Hovanskii, G. S. Geradlinige graphische Darstellung einer Funktion im binären Feld und ihre Verwendung für die Cebysevsche Approximation von Funktionen und die Näherungsnomographierung. (Russian) Zbl 0314.65068 Nomograf. Sb. 9, 137-151 (1973). MSC: 65S05 41A50 65D10 PDFBibTeX XML
Tudor, Gh. Une formule generale pour calculer certaines integrales definites. (Romanian) Zbl 0313.65016 Bul. Ştiinţ. Teh. Inst. Politeh. Timişoara, Ser. Mat.-Fiz.-Mec. teor. apl. 17(31) (1972), 131-135 (1973). MSC: 65D30 41A50 PDFBibTeX XMLCite \textit{Gh. Tudor}, Bul. Științ. Teh. Inst. Politeh. Timișoara, Ser. Mat.-Fiz.-Mec. teor. apl. 17(31), 131--135 (1973; Zbl 0313.65016)
Dunham, Charles B. Numerical best approximation. (English) Zbl 0307.65016 Proc. 2nd Manit. Conf. numer. Math., Winnipeg 1972, 153 (1973). MSC: 65D10 65D15 41A20 41A50 PDFBibTeX XML
Popescu, Liana Alexandra Eine Methode der effektiven Konstruktion algebraischer Polynome bester Approximation von Funktionen. (Romanian) Zbl 0306.41012 Bul. Inst. Politeh. Bucur. 35, No. 5, 21-27 (1973). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{L. A. Popescu}, Bul. Inst. Politeh. Bucur. 35, No. 5, 21--27 (1973; Zbl 0306.41012)
Alefeld, G. Zur Konvergenz des Verfahrens der tangierenden Hyperbeln und des Tschebyscheff-Verfahrens bei konvexen Abbildungen. (German) Zbl 0305.65025 Computing 11, 379-390 (1973). MSC: 65H10 46J10 PDFBibTeX XMLCite \textit{G. Alefeld}, Computing 11, 379--390 (1973; Zbl 0305.65025) Full Text: DOI
Malozemov, V. N.; Pevnyi, A. B. Alternation properties of solutions of nonlinear minimax problems. (English. Russian original) Zbl 0302.49006 Sov. Math., Dokl. 14, 1303-1306 (1973); translation from Dokl. Akad. Nauk SSSR 212, 37-39 (1973). MSC: 49J35 41A50 PDFBibTeX XMLCite \textit{V. N. Malozemov} and \textit{A. B. Pevnyi}, Sov. Math., Dokl. 14, 1303--1306 (1973; Zbl 0302.49006); translation from Dokl. Akad. Nauk SSSR 212, 37--39 (1973)
Popov, V. Ju. Über die im quadratischen Mittel besten Approximationen von Funktionen von m Variablen. (Russian) Zbl 0299.41012 Mat. Zametki 14, 913-924 (1973). MSC: 41A30 41A50 41A63 PDFBibTeX XMLCite \textit{V. Ju. Popov}, Mat. Zametki 14, 913--924 (1973; Zbl 0299.41012)
Lanczos, C. Legendre versus Chebyshev polynomials. (English) Zbl 0297.65008 Topics numer. Analysis, Proc. Royal Irish Acad. Conf., Dublin 1972, 191-201 (1973). MSC: 65D10 65D20 65L05 65B10 65J99 PDFBibTeX XML
Butzer, Paul L.; Wagner, H. J. A new calculus for Walsh functions with applications. (English) Zbl 0296.42020 Theory and Appl. of Walsh Functions Coll. Hatfield Polytechnic, 16 p. (1973). MSC: 42C10 33C45 41A50 42C05 PDFBibTeX XML
Gaimnazarov, G.; Kagadii, L. Partielle beste Approximationen und Fourierkoeffizienten von Funktionen mehrerer Variablen. (Russian) Zbl 0295.42002 Dokl. Akad. Nauk Tadzh. SSR 16, No. 10, 3-4 (1973). MSC: 42A16 42B05 41A50 PDFBibTeX XMLCite \textit{G. Gaimnazarov} and \textit{L. Kagadii}, Dokl. Akad. Nauk Tadzh. SSR 16, No. 10, 3--4 (1973; Zbl 0295.42002)
Henry, M. S.; Brown, J. A. Best rational product approximations of functions. (English) Zbl 0295.41013 J. Approximation Theory 9, 287-294 (1973). MSC: 41A50 41A20 PDFBibTeX XMLCite \textit{M. S. Henry} and \textit{J. A. Brown}, J. Approx. Theory 9, 287--294 (1973; Zbl 0295.41013) Full Text: DOI
Motornyi, V. P. On the best quadrature formula of the form \(\sum\limits_{k=1}^n p_k f(x_k)\) for some classes of periodic differentiable functions. (English. Russian original) Zbl 0294.41029 Sov. Math., Dokl. 14, 1180-1183 (1973); translation from Dokl. Akad. Nauk SSSR 211, 1060-1062 (1973). MSC: 41A55 41A50 PDFBibTeX XMLCite \textit{V. P. Motornyi}, Sov. Math., Dokl. 14, 1180--1183 (1973; Zbl 0294.41029); translation from Dokl. Akad. Nauk SSSR 211, 1060--1062 (1973)
Zhuk, V. V.; Natanson, G. I. Properties of functions and the growth of derivatives of approximating polynomials. (English. Russian original) Zbl 0294.26006 Sov. Math., Dokl. 14, 1281-1285 (1973); translation from Dokl. Akad. Nauk SSSR 212, 19-22 (1973). MSC: 26A15 41A50 42A10 PDFBibTeX XMLCite \textit{V. V. Zhuk} and \textit{G. I. Natanson}, Sov. Math., Dokl. 14, 1281--1285 (1973; Zbl 0294.26006); translation from Dokl. Akad. Nauk SSSR 212, 19--22 (1973)
Vaindiner, A. I. Einige Fragen der Approximation von Funktionen von mehreren Veränderlichen und effektiv direkte Methoden zur Lösung von Problemen der Elastizitätstheorie. (Russian) Zbl 0293.41030 Uprug. Neuprug. 3, 16-46 (1973). MSC: 41A63 41A50 41A10 74B99 74H99 PDFBibTeX XML
Jarv, E. A. On Zolotarev critical intervals. (English. Russian original) Zbl 0293.41027 Sov. Math., Dokl. 14, 1333-1337 (1973); translation from Dokl. Akad. Nauk SSSR 212, 60-63 (1973). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{E. A. Jarv}, Sov. Math., Dokl. 14, 1333--1337 (1973; Zbl 0293.41027); translation from Dokl. Akad. Nauk SSSR 212, 60--63 (1973)
Zamyatin, V. N. Relative Cebysev centers in a space of continuous functions. (English. Russian original) Zbl 0292.46019 Sov. Math., Dokl. 14, 610-614 (1973); translation from Dokl. Akad. Nauk SSSR 209, 1267-1270 (1973). MSC: 46E15 28A10 46B99 41A50 PDFBibTeX XMLCite \textit{V. N. Zamyatin}, Sov. Math., Dokl. 14, 610--614 (1973; Zbl 0292.46019); translation from Dokl. Akad. Nauk SSSR 209, 1267--1270 (1973)
Doronin, V. G.; Ligun, A. A. Über die beste einseitige Approximation einer Funktionenklasse durch eine andere. (Russian) Zbl 0292.41018 Mat. Zametki 14, 627-632 (1973). MSC: 41A50 41A30 PDFBibTeX XMLCite \textit{V. G. Doronin} and \textit{A. A. Ligun}, Mat. Zametki 14, 627--632 (1973; Zbl 0292.41018)
Zhuk, V. V. Einige Ungleichungen zwischen den besten Approximationen periodischer Funktionen. (Russian) Zbl 0291.42001 Izv. Vyssh. Uchebn. Zaved., Mat. 1973, No. 9(136), 18-26 (1973). MSC: 42A10 41A50 PDFBibTeX XMLCite \textit{V. V. Zhuk}, Izv. Vyssh. Uchebn. Zaved., Mat. 1973, No. 9(136), 18--26 (1973; Zbl 0291.42001)
Garkavi, A. L. Über das bedingte Cebysevsche Zentrum einer kompakten Menge stetiger Funktionen. (Russian) Zbl 0291.41021 Mat. Zametki 14, 469-478 (1973). MSC: 41A50 PDFBibTeX XMLCite \textit{A. L. Garkavi}, Mat. Zametki 14, 469--478 (1973; Zbl 0291.41021)
Mamazanov, B. Beste gewichtete Approximation einer Funktion mittels Polynome auf dem Äußeren eines Segments und einer Halbachse. (Russian) Zbl 0291.41008 Izv. Akad. Nauk UzSSR, Ser. fiz.-Mat. Nauk 17, Nr.4, 29-33 (1973). MSC: 41A10 41A50 PDFBibTeX XML
Rafal’son, S. Z. On approximation of functions by algebraic polynomials in the L\(_p\) metric. (English. Russian original) Zbl 0291.41006 Sov. Math., Dokl. 14, 137-140 (1973); translation from Dokl. Akad. Nauk SSSR 208, 545-547 (1973). MSC: 41A10 41A50 PDFBibTeX XMLCite \textit{S. Z. Rafal'son}, Sov. Math., Dokl. 14, 137--140 (1973; Zbl 0291.41006); translation from Dokl. Akad. Nauk SSSR 208, 545--547 (1973)
Basu, N. K. Error estimates for two Tschebyscheff quadrature methods. (English) Zbl 0289.65007 Mathematica, Cluj 15(38), 175-181 (1973). MSC: 65D30 PDFBibTeX XMLCite \textit{N. K. Basu}, Mathematica, Cluj 15(38), 175--181 (1973; Zbl 0289.65007)
Watson, G. A. The calculation of best linear one-sided L\(_p\) approximations. (English) Zbl 0289.65004 Math. Comput. 27, 607-620 (1973). MSC: 65D15 41A50 PDFBibTeX XMLCite \textit{G. A. Watson}, Math. Comput. 27, 607--620 (1973; Zbl 0289.65004) Full Text: DOI
Kornejchuk, N. P. On uniform approximation of periodic functions by subspaces of finite dimension. (English. Russian original) Zbl 0288.41021 Sov. Math., Dokl. 14, 1736-1741 (1973); translation from Dokl. Akad. Nauk SSSR 213, 525-528 (1973). MSC: 41A65 41A50 41A15 41A30 41A63 42A10 PDFBibTeX XMLCite \textit{N. P. Kornejchuk}, Sov. Math., Dokl. 14, 1736--1741 (1973; Zbl 0288.41021); translation from Dokl. Akad. Nauk SSSR 213, 525--528 (1973)
Krabs, W. Unsymmetrische gleichmäßige Approximation. (German) Zbl 0288.41020 Z. angew. Math. Mech. 53, 541-552 (1973). MSC: 41A65 41A50 41A45 PDFBibTeX XMLCite \textit{W. Krabs}, Z. Angew. Math. Mech. 53, 541--552 (1973; Zbl 0288.41020) Full Text: DOI
Brosowski, Bruno; Wegmann, Rudolf On the lower semicontinuity of the set-valued metric projection. (English) Zbl 0288.41016 J. Approximation Theory 8, 84-100 (1973). MSC: 41A50 41A65 46E30 PDFBibTeX XMLCite \textit{B. Brosowski} and \textit{R. Wegmann}, J. Approx. Theory 8, 84--100 (1973; Zbl 0288.41016) Full Text: DOI
Yanagiwara, Hiroki; Shibata, Kiyomi A Chebyshev quadrature formula for twelve nodes. (English) Zbl 0286.65014 Bull. Fukuoka Univ. Education, Part III 23, 45-51 (1973). MSC: 65D30 PDFBibTeX XMLCite \textit{H. Yanagiwara} and \textit{K. Shibata}, Bull. Fukuoka Univ. Educ., Part III 23, 45--51 (1973; Zbl 0286.65014)
Meinardus, G.; Taylor, G. D. Optimal starting approximations for iterative schemes. (English) Zbl 0286.41029 J. Approximation Theory 9, 1-19 (1973). MSC: 41A65 41A50 41A45 41A30 PDFBibTeX XMLCite \textit{G. Meinardus} and \textit{G. D. Taylor}, J. Approx. Theory 9, 1--19 (1973; Zbl 0286.41029) Full Text: DOI
Sterlin, M. D. Estmates of constants in inverse theorems of constructive function theory. (English. Russian original) Zbl 0286.41023 Sov. Math., Dokl. 14, 647-650 (1973); translation from Dokl. Akad. Nauk SSSR 209, 1296-1298 (1973). MSC: 41A50 42A10 PDFBibTeX XMLCite \textit{M. D. Sterlin}, Sov. Math., Dokl. 14, 647--650 (1973; Zbl 0286.41023); translation from Dokl. Akad. Nauk SSSR 209, 1296--1298 (1973)
Vaindiner, A. I. Generalized polynomials, deviating least from zero, and effective direct methods for solving boundary-value problems. (English. Russian original) Zbl 0286.41022 Sov. Math., Dokl. 14, 871-876 (1973); translation from Dokl. Akad. Nauk SSSR 210, 1265-1268 (1973). MSC: 41A50 41A10 26C05 65N15 PDFBibTeX XMLCite \textit{A. I. Vaindiner}, Sov. Math., Dokl. 14, 871--876 (1973; Zbl 0286.41022); translation from Dokl. Akad. Nauk SSSR 210, 1265--1268 (1973)
Khalilova, B. A. Über die Fourier-Jacobi-Koeffizienten und über die Approximation von Funktionen durch ultrasphärische Polynome. (Russian) Zbl 0286.41021 Izv. Akad. Nauk Az. SSR, Ser. Fiz.-Tekh. Mat. Nauk 1973, No. 2, 87-94 (1973). MSC: 41A50 33C55 42A16 41A10 PDFBibTeX XMLCite \textit{B. A. Khalilova}, Izv. Akad. Nauk Az. SSR, Ser. Fiz.-Tekh. Mat. Nauk 1973, No. 2, 87--94 (1973; Zbl 0286.41021)
Oguztöreli, M. N.; Mangeron, D. J. On the construction of systems of polywave polynomials. I. (English. Russian original) Zbl 0286.35013 Sov. Math., Dokl. 14, 176-181 (1973); translation from Dokl. Akad. Nauk SSSR 208, 779-781 (1973). MSC: 35C05 35Q99 41A50 PDFBibTeX XMLCite \textit{M. N. Oguztöreli} and \textit{D. J. Mangeron}, Sov. Math., Dokl. 14, 176--181 (1973; Zbl 0286.35013); translation from Dokl. Akad. Nauk SSSR 208, 779--781 (1973)
Atkinson, F. V. Bilateral approximation and Cebysev systems. (English) Zbl 0285.41014 Arch. Math. 24, 297-302 (1973). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{F. V. Atkinson}, Arch. Math. 24, 297--302 (1973; Zbl 0285.41014) Full Text: DOI
Raicin, R. A. On the best approximation of a class of functions by algebraic polynomials. (English. Russian original) Zbl 0284.41008 Sov. Math., Dokl. 14, 730-733 (1973); translation from Dokl. Akad. Nauk SSSR 210, 274-277 (1973). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{R. A. Raicin}, Sov. Math., Dokl. 14, 730--733 (1973; Zbl 0284.41008); translation from Dokl. Akad. Nauk SSSR 210, 274--277 (1973)
Koromyslichenko, V. D. Verallgemeinerte Cebysevsche und extremale Approximationen. (Ukrainian) Zbl 0283.41012 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1973, 687-692 (1973). MSC: 41A50 PDFBibTeX XMLCite \textit{V. D. Koromyslichenko}, Dopov. Akad. Nauk Ukr. RSR, Ser. A 1973, 687--692 (1973; Zbl 0283.41012)
Kammler, David W. Chebyshev polynomials corresponding to a semi-infinite interval and an exponential weight factor. (English) Zbl 0282.65036 Math. Comput. 27, 633-637 (1973). MSC: 65H05 41A50 65D20 PDFBibTeX XMLCite \textit{D. W. Kammler}, Math. Comput. 27, 633--637 (1973; Zbl 0282.65036) Full Text: DOI
Hemming, Fredric W.; Vandelinde, V. David Necessary conditions for Chebyshev-Bolza optimal control problems. (English) Zbl 0282.49018 J. Franklin Inst. 296, 123-135 (1973). MSC: 49K99 49K35 PDFBibTeX XMLCite \textit{F. W. Hemming} and \textit{V. D. Vandelinde}, J. Franklin Inst. 296, 123--135 (1973; Zbl 0282.49018) Full Text: DOI
Gearhart, William B. Some Chebyshev approximations by polynomials in two variables. (English) Zbl 0282.41009 J. Approximation Theory 8, 195-209 (1973). MSC: 41A50 41A10 41A63 PDFBibTeX XMLCite \textit{W. B. Gearhart}, J. Approx. Theory 8, 195--209 (1973; Zbl 0282.41009) Full Text: DOI
Johnson, Lee W. Minimal H-sets and unicity of best approximations. (English) Zbl 0282.41008 J. Approximation Theory 7, 352-354 (1973). MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{L. W. Johnson}, J. Approx. Theory 7, 352--354 (1973; Zbl 0282.41008) Full Text: DOI
Salkauskas, K. Almost-interpolatory Chebyshev quadrature. (English) Zbl 0281.65016 Math. Comput. 27, 645-654 (1973). MSC: 65D30 41A55 PDFBibTeX XMLCite \textit{K. Salkauskas}, Math. Comput. 27, 645--654 (1973; Zbl 0281.65016) Full Text: DOI
Hays, Richard O. Multi-dimensional extensions of the Chebyshev polynomials. (English) Zbl 0281.65011 Math. Comput. 27, 621-624 (1973). MSC: 65D15 05A15 32A05 65H05 33C45 39A10 65Q05 PDFBibTeX XMLCite \textit{R. O. Hays}, Math. Comput. 27, 621--624 (1973; Zbl 0281.65011) Full Text: DOI
Kornejchuk, N. P. Ungleichungen für differenzierbare periodische Funktionen und die beste Approximation einer Klasse von Funktionen vermittels einer anderen. (English. Russian original) Zbl 0281.41004 Math. USSR, Izv. 6(1972), 417-428 (1973); translation from Izv. Akad. Nauk SSSR, Ser. Mat. 36, 423-434 (1972). MSC: 41A50 41A30 PDFBibTeX XMLCite \textit{N. P. Kornejchuk}, Math. USSR, Izv. 6, 417--428 (1973; Zbl 0281.41004); translation from Izv. Akad. Nauk SSSR, Ser. Mat. 36, 423--434 (1972) Full Text: DOI
Mühlbach, G. Cebysev-Systeme und Lipschitzklassen. (German) Zbl 0279.41034 J. Approximation Theory 9, 192-203 (1973). MSC: 41A65 41A50 26A16 26A15 PDFBibTeX XMLCite \textit{G. Mühlbach}, J. Approx. Theory 9, 192--203 (1973; Zbl 0279.41034) Full Text: DOI
Smirnov, G. S. Kriterium des Polynoms der besten Approximation in den Räumen \(L_{p,1}\) und \(L_{1,q}\). (Russian) Zbl 0279.41026 Ukr. Mat. Zh. 25, 415-419 (1973). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{G. S. Smirnov}, Ukr. Mat. Zh. 25, 415--419 (1973; Zbl 0279.41026) Full Text: DOI
Dzjadyk, V. K. Über die effektive Konstruktion von Polynomen, die die Funktionen e\(^x\), sin x und anderen am besten approximieren. (Russian) Zbl 0279.41025 Ukr. Mat. Zh. 25, 435-453 (1973). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{V. K. Dzjadyk}, Ukr. Mat. Zh. 25, 435--453 (1973; Zbl 0279.41025)
Barrar, R. B.; Loeb, Henry L.; Werner, Helmut Optimal integration-formulas for analytic functions. (English) Zbl 0278.41031 Bull. Am. Math. Soc. 79, 1296-1298 (1973). MSC: 41A55 41A50 41A30 PDFBibTeX XMLCite \textit{R. B. Barrar} et al., Bull. Am. Math. Soc. 79, 1296--1298 (1973; Zbl 0278.41031) Full Text: DOI
Subrahmanya, M. R. On a solution to a problem of Rivlin. (English) Zbl 0278.41028 GWDG-Bericht No. 6. Göttingen: Gesellschaft für wissenschaftliche Datenverarbeitung mbH. 11 S. (1973). MSC: 41A50 41-02 41A10 PDFBibTeX XML
Rozema, Edward Almost Chebyshev subspaces, lower semicontinuity, and Hahn-Banach extensions. (English) Zbl 0278.41027 Proc. Am. Math. Soc. 39, 117-121 (1973). MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{E. Rozema}, Proc. Am. Math. Soc. 39, 117--121 (1973; Zbl 0278.41027) Full Text: DOI
Malbrock, Jane Chebychev subspaces in the space of bounded linear operators from c\(_0\) to c\(_0\). (English) Zbl 0278.41026 J. Approximation Theory 9, 149-164 (1973). MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{J. Malbrock}, J. Approx. Theory 9, 149--164 (1973; Zbl 0278.41026) Full Text: DOI
Gutknecht, Martin Ein Abstiegsverfahren für gleichmäßige Approximation, mit Anwendungen. Diss. (German) Zbl 0277.65004 Zürich: Eidgenössische Technische Hochschule. 201 S. (1973). MSC: 65D15 65-02 65D10 41A50 PDFBibTeX XML
Bel’skiĭ, Z. I. Three-webs with semi-Chebyshev and semigeodesic Hesse nets. (Über 3-Gewebe mit halb-Chebyshevschen und halbgeodätischen Hesseschen Netzen.) (Russian) Zbl 0277.53002 Izv. Akad. Nauk BSSR, Ser. Fiz.-Mat. Nauk 1973, No. 5, 119-122 (1973). MSC: 53A60 53A05 PDFBibTeX XMLCite \textit{Z. I. Bel'skiĭ}, Izv. Akad. Nauk BSSR, Ser. Fiz.-Mat. Nauk 1973, No. 5, 119--122 (1973; Zbl 0277.53002)
Erickson, R. V. On L\(_p\) Chebyshev-Cramer asymptotic expansions. (English) Zbl 0276.60027 Ann. Probab. 1, 355-361 (1973). MSC: 60F05 60F99 60E05 PDFBibTeX XMLCite \textit{R. V. Erickson}, Ann. Probab. 1, 355--361 (1973; Zbl 0276.60027) Full Text: DOI
Schur, I. Arithmetisches über die Tschebyscheffschen Polynome. (German) Zbl 0275.10003 Issai Schur, Gesammelte Abhandlungen Band III, 422-453, Berlin-Heidelberg-New York: Springer-Verlag (1973). Reviewer: Emil Grosswald (Philadelphia) MSC: 11A07 11B39 33C45 PDFBibTeX XML
Kolyada, V. I. Über die Einbettung gewisser Klassen von Funktionen von mehreren Veränderlichen. (Russian) Zbl 0274.46028 Sib. Mat. Zh. 14, 766-790 (1973). MSC: 46E30 41A50 46E35 PDFBibTeX XMLCite \textit{V. I. Kolyada}, Sib. Mat. Zh. 14, 766--790 (1973; Zbl 0274.46028)
Cline, A. K. Lipschitz conditions on uniform approximation operators. (English) Zbl 0274.41022 J. Approximation Theory 8, 160-172 (1973). MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{A. K. Cline}, J. Approx. Theory 8, 160--172 (1973; Zbl 0274.41022) Full Text: DOI
Blatt, H.-P. Rationale Approximation auf \([0, \infty]\). (German) Zbl 0274.41013 Z. angew. Math. Mech. 53, Sonderheft, T182-T183 (1973). MSC: 41A20 41A50 PDFBibTeX XMLCite \textit{H. P. Blatt}, Z. Angew. Math. Mech. 53, T182--T183 (1973; Zbl 0274.41013)
McCabe, J. H.; Phillips, G. M. On a certain class of Lebesgue constants. (English) Zbl 0274.41002 BIT, Nord. Tidskr. Inf.-behandl. 13, 434-442 (1973). MSC: 41A50 65D05 41A05 PDFBibTeX XMLCite \textit{J. H. McCabe} and \textit{G. M. Phillips}, BIT, Nord. Tidskr. Inf.-behandl. 13, 434--442 (1973; Zbl 0274.41002) Full Text: DOI
Riess, R. D. Hermite-Fejer interpolation at the ”practical” Chebyshev nodes. (English) Zbl 0274.41001 Bull. Aust. Math. Soc. 9, 379-390 (1973). MSC: 41A05 65D05 PDFBibTeX XMLCite \textit{R. D. Riess}, Bull. Aust. Math. Soc. 9, 379--390 (1973; Zbl 0274.41001) Full Text: DOI
Shapiro, Harold S. Regularity properties of the element of closest approximation. (English) Zbl 0273.43005 Trans. Am. Math. Soc. 181, 127-142 (1973). MSC: 43A15 41A50 42A45 PDFBibTeX XMLCite \textit{H. S. Shapiro}, Trans. Am. Math. Soc. 181, 127--142 (1973; Zbl 0273.43005) Full Text: DOI
Mühlbach, G. A recurrence formula for generalized divided differences and some applications. (English) Zbl 0273.41026 J. Approximation Theory 9, 165-172 (1973). MSC: 41-00 41A50 PDFBibTeX XMLCite \textit{G. Mühlbach}, J. Approx. Theory 9, 165--172 (1973; Zbl 0273.41026) Full Text: DOI
Passow, Eli Alternating parity of Tchebycheff systems. (English) Zbl 0273.41024 J. Approximation Theory 9, 295-298 (1973). MSC: 41A05 41A65 41A50 PDFBibTeX XMLCite \textit{E. Passow}, J. Approx. Theory 9, 295--298 (1973; Zbl 0273.41024) Full Text: DOI
Zielke, Roland On transforming a Tchebyshev-system into a Markov-system. (English) Zbl 0273.41023 J. Approximation Theory 9, 357-366 (1973). MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{R. Zielke}, J. Approx. Theory 9, 357--366 (1973; Zbl 0273.41023) Full Text: DOI
Benitez, Carlos Die Charakterisierung bester Approximationen in Produkträumen. (Spanish) Zbl 0273.41022 Collect. Math. 24, 19-26 (1973). MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{C. Benitez}, Collect. Math. 24, 19--26 (1973; Zbl 0273.41022) Full Text: EuDML
Spiess, J. Uniqueness theorems for nonlinear \(L_2\)-approximation problems. (English) Zbl 0273.41021 Computing 11, 327-335 (1973). MSC: 41A50 65D10 41A65 PDFBibTeX XMLCite \textit{J. Spiess}, Computing 11, 327--335 (1973; Zbl 0273.41021) Full Text: DOI
Bartelt, M. W.; McLaughlin, H. W. Characterizations of strong unicity in approximation theory. (English) Zbl 0273.41019 J. Approximation Theory 9, 255-266 (1973). MSC: 41A50 41A65 41A10 PDFBibTeX XMLCite \textit{M. W. Bartelt} and \textit{H. W. McLaughlin}, J. Approx. Theory 9, 255--266 (1973; Zbl 0273.41019) Full Text: DOI
Wuytack, L. On the existence of best rational approximation using a generalized weight function. (English) Zbl 0273.41018 J. Approximation Theory 9, 237-254 (1973). MSC: 41A50 41A20 41A30 41A65 PDFBibTeX XMLCite \textit{L. Wuytack}, J. Approx. Theory 9, 237--254 (1973; Zbl 0273.41018) Full Text: DOI
Weiss, Michael D. Topological entropy of Chebyshev polynomials and related real mappings. (English) Zbl 0272.54035 J. Math. Anal. Appl. 43, 816-822 (1973). MSC: 54H20 PDFBibTeX XMLCite \textit{M. D. Weiss}, J. Math. Anal. Appl. 43, 816--822 (1973; Zbl 0272.54035) Full Text: DOI
Blatter, Jörg; Seever, G. L. The disc algebra is not an existence subspace of its bidual. (English) Zbl 0272.46032 J. Math. Anal. Appl. 44, 88-91 (1973). MSC: 46J15 46J10 41A50 PDFBibTeX XMLCite \textit{J. Blatter} and \textit{G. L. Seever}, J. Math. Anal. Appl. 44, 88--91 (1973; Zbl 0272.46032) Full Text: DOI
Ligun, A. A. Exact inequalities for the upper bounds of seminorms on a class of periodic functions. (English) Zbl 0272.42002 Math. Notes 13, 389-393 (1973). MSC: 42A10 41A50 PDFBibTeX XMLCite \textit{A. A. Ligun}, Math. Notes 13, 389--393 (1973; Zbl 0272.42002) Full Text: DOI
Romanova, Z. S. Über die Approximierung durch Elemente einer konvexen Menge im Raum \(C(Q)\). (Russian) Zbl 0272.41017 Litov. Mat. Sb. 13, No. 3, 183-190 (1973). MSC: 41A65 41A50 PDFBibTeX XMLCite \textit{Z. S. Romanova}, Litov. Mat. Sb. 13, No. 3, 183--190 (1973; Zbl 0272.41017)
Kammler, David W. Characterization of best approximations by sums of exponentials. (English) Zbl 0272.41013 J. Approximation Theory 9, 173-191 (1973). MSC: 41A50 41A30 PDFBibTeX XMLCite \textit{D. W. Kammler}, J. Approx. Theory 9, 173--191 (1973; Zbl 0272.41013) Full Text: DOI
Erdős, Paul; Reddy, A. R. Rational approximation to certain entire functions in \([0,+\infty)\). (English) Zbl 0272.41007 Bull. Am. Math. Soc. 79, 992-993 (1973). MSC: 41A20 41A50 41A25 PDFBibTeX XMLCite \textit{P. Erdős} and \textit{A. R. Reddy}, Bull. Am. Math. Soc. 79, 992--993 (1973; Zbl 0272.41007) Full Text: DOI
Robert, Alain Systemes de polynômes. (French) Zbl 0272.33002 Queen’s Papers in Pure and Applied Mathematics, 35. Kingston, Ontario, Canada: Queen’s University. 108 p. (1973). MSC: 33-02 42C05 33C45 41A10 41A50 PDFBibTeX XML
Henry, Myron S. Approximate solutions of functional differential equations. (English) Zbl 0271.65046 Numer., Approx.-theor. Behandlg. Funktionalgl., Tagung Oberwolfach 1972, Lect. Notes Math. 333, 144-152 (1973). MSC: 65L05 65Q05 41A10 34A12 41A50 PDFBibTeX XML
van Wyk, D. J.; Roode, J. D. An algorithm for continuous linear Chebyshev approximation. (English) Zbl 0271.65011 Math. Colloq., Univ. Cape Town 8, 89-100 (1973). MSC: 65D10 65K05 41A50 PDFBibTeX XML
Singer, Ivan Best approximation in normed linear spaces. (English) Zbl 0271.41026 C.I.M.E., II Ciclo Erice 1971, constr. Aspects functional Analysis, 687-792 (1973). MSC: 41A65 41A50 PDFBibTeX XML
Appa, Gautam; Smith, Cyril On L\(_1\) and Chebyshev estimation. (English) Zbl 0271.41021 Math. Program. 5, 73-87 (1973). MSC: 41A50 90C05 PDFBibTeX XMLCite \textit{G. Appa} and \textit{C. Smith}, Math. Program. 5, 73--87 (1973; Zbl 0271.41021) Full Text: DOI
Kammler, David W. Existence of best approximations by sums of exponentials. (English) Zbl 0271.41020 J. Approximation Theory 9, 78-90 (1973). MSC: 41A50 41A30 PDFBibTeX XMLCite \textit{D. W. Kammler}, J. Approx. Theory 9, 78--90 (1973; Zbl 0271.41020) Full Text: DOI
Roulier, John A. Polynomials of best approximation which are monotone. (English) Zbl 0271.41019 J. Approximation Theory 9, 212-217 (1973). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{J. A. Roulier}, J. Approx. Theory 9, 212--217 (1973; Zbl 0271.41019) Full Text: DOI
Blau, Roger A. Decomposition techniques for the Chebyshev problem. (English) Zbl 0269.90047 Oper. Res. 21, 1157-1163 (1973). MSC: 90C30 PDFBibTeX XMLCite \textit{R. A. Blau}, Oper. Res. 21, 1157--1163 (1973; Zbl 0269.90047) Full Text: DOI
Mittermayer, E. Eine Iterationsmethode zur mehrdimensionalen gleichmäßigen Approximation bei gegebener Näherung. (German) Zbl 0269.65009 Numer. Math. 21, 298-302 (1973). MSC: 65D10 41A50 41A63 PDFBibTeX XMLCite \textit{E. Mittermayer}, Numer. Math. 21, 298--302 (1973; Zbl 0269.65009) Full Text: DOI EuDML