Lukashov, A. L. Rational interpolation processes on two intervals. (English. Russian original) Zbl 1497.41011 Russ. Math. 42, No. 5, 33-40 (1998); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1998, No. 5, 35-42 (1998). MSC: 41A20 41A05 PDFBibTeX XMLCite \textit{A. L. Lukashov}, Russ. Math. 42, No. 5, 33--40 (1998; Zbl 1497.41011); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1998, No. 5, 35--42 (1998) Full Text: MNR
Adiga, Chandrashekar; Vasuki, K. R. A note on rational appoximations. (English) Zbl 1075.41501 J. Indian Math. Soc., New Ser. 65, No. 1-4, 181-189 (1998). MSC: 41A20 33C10 PDFBibTeX XMLCite \textit{C. Adiga} and \textit{K. R. Vasuki}, J. Indian Math. Soc., New Ser. 65, No. 1--4, 181--189 (1998; Zbl 1075.41501)
Rovba, E. A. On the approximation of functions of bounded variation by Fejér and Jackson rational operators. (Russian. English summary) Zbl 1039.41501 Dokl. Nats. Akad. Nauk Belarusi 42, No. 4, 13-17 (1998). MSC: 41A35 41A20 PDFBibTeX XMLCite \textit{E. A. Rovba}, Dokl. Nats. Akad. Nauk Belarusi 42, No. 4, 13--17 (1998; Zbl 1039.41501)
Gkhashim, M.; Malozemov, V. N. The Helly theorem for cones and the duality in the best fractional rational approximations. (English. Russian original) Zbl 1041.41016 Vestn. St. Petersbg. Univ., Math. 31, No. 4, 14-18 (1998); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 1998, No. 4, 16-20 (1998). MSC: 41A20 41A50 PDFBibTeX XMLCite \textit{M. Gkhashim} and \textit{V. N. Malozemov}, Vestn. St. Petersbg. Univ., Math. 31, No. 4, 14--18 (1998; Zbl 1041.41016); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 1998, No. 4, 16--20 (1998)
Belykh, V. M.; Shul’ts, A. A. On characterization of solution for a copositive fractionally rational approximation problem. (English. Russian original) Zbl 1041.41014 Vestn. St. Petersbg. Univ., Math. 31, No. 3, 1-3 (1998); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 1998, No. 3, 3-5 (1998). MSC: 41A20 41A29 PDFBibTeX XMLCite \textit{V. M. Belykh} and \textit{A. A. Shul'ts}, Vestn. St. Petersbg. Univ., Math. 31, No. 3, 1--3 (1998; Zbl 1041.41014); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 1998, No. 3, 3--5 (1998)
Radyno, A. Ya. About the rate of rational approximation of some analytic functions. (English) Zbl 1065.30037 Math. Model. Anal. 3, 168-176 (1998). MSC: 30E10 41A20 PDFBibTeX XMLCite \textit{A. Ya. Radyno}, Math. Model. Anal. 3, 168--176 (1998; Zbl 1065.30037)
Ying, Liyi; Guo, Weijuan A matrix algorithm for bivariate matrix valued rational interpolants. (Chinese. English summary) Zbl 0964.65005 J. Shanghai Univ., Nat. Sci. 4, No. 3, 328-323 (1998). MSC: 65D05 41A20 15A09 PDFBibTeX XMLCite \textit{L. Ying} and \textit{W. Guo}, J. Shanghai Univ., Nat. Sci. 4, No. 3, 328--323 (1998; Zbl 0964.65005)
Ambroladze, Amiran; Wallin, Hans Padé type approximants with preassigned zeros. (English) Zbl 0971.41008 Bank, Bernd (ed.) et al., 3rd international conference on approximation and optimization in the Caribbean, Puebla, México, October 8-13, 1995. México: Sociedad Matemática Mexicana. Aportaciones Mat., Comun. 24, 11-18 (1998). Reviewer: Jesus Illán González (Vigo) MSC: 41A20 30E10 65D05 PDFBibTeX XMLCite \textit{A. Ambroladze} and \textit{H. Wallin}, Aportaciones Mat., Comun. 24, 11--18 (1998; Zbl 0971.41008) Full Text: EMIS
Wing, Omar; Jiang, Yao-Lin; Yu, Qing-Jian Rational approximation of irrational functions by linear fractional transformations. (English) Zbl 0953.41010 IEEE Trans. Circuits Syst., I, Fundam. Theory Appl. 45, No. 11, 1216-1221 (1998). Reviewer: Jacek Gilewicz (Marseille) MSC: 41A20 30E10 94C05 PDFBibTeX XMLCite \textit{O. Wing} et al., IEEE Trans. Circuits Syst., I, Fundam. Theory Appl. 45, No. 11, 1216--1221 (1998; Zbl 0953.41010) Full Text: DOI
Rusak, V. N. Best rational approximations and estimates for deviations of rational operators. (Russian) Zbl 0947.41009 Samoilenko, A. M. (ed.) et al., Fourier series: Theory and applications. Section: Function theory. Kyïv: Instytut Matematyky NAN Ukraïny. Pr. Inst. Mat. Nats. Akad. Nauk Ukr., Mat. Zastos. 20, 255-262 (1998). Reviewer: Alexander Gomilko (Kyïv) MSC: 41A20 41A35 PDFBibTeX XMLCite \textit{V. N. Rusak}, in: Ryady Fur'eh: Teoriya i zastosuvannya. Sektsiya: Teoriya funktsij. Kyïv: Instytut Matematyky NAN Ukraïny. 255--262 (1998; Zbl 0947.41009)
Nazarenko, M. A. On the best local non-global rational approximation in the space \(H_2\). (Russian. English summary) Zbl 0948.41007 Fundam. Prikl. Mat. 4, No. 4, 1423-1426 (1998). Reviewer: L.Leindler (Szeged) MSC: 41A20 PDFBibTeX XMLCite \textit{M. A. Nazarenko}, Fundam. Prikl. Mat. 4, No. 4, 1423--1426 (1998; Zbl 0948.41007)
Pan, Jie On nonuniqueness of rational \(L_p\)-approximation. (Chinese. English summary) Zbl 0941.41006 Numer. Math., Nanjing 20, No. 4, 373-376 (1998). Reviewer: Shi Ying-Guang (Beijing) MSC: 41A20 PDFBibTeX XMLCite \textit{J. Pan}, Numer. Math., Nanjing 20, No. 4, 373--376 (1998; Zbl 0941.41006)
Zhu, Gongqin; Wang, Hongyan An algorithm and characteristic property of vector valued rational interpolants over discrete data set. (Chinese. English summary) Zbl 0940.65009 Numer. Math., Nanjing 20, No. 4, 315-320 (1998). MSC: 65D05 41A20 41A63 PDFBibTeX XMLCite \textit{G. Zhu} and \textit{H. Wang}, Numer. Math., Nanjing 20, No. 4, 315--320 (1998; Zbl 0940.65009)
Gu, Chuanqing Complex matrix valued rational interpolation for Lagrange basic functions and continued fraction interpolation. (Chinese. English summary) Zbl 0938.65016 Numer. Math., Nanjing 20, No. 4, 306-314 (1998). MSC: 65D05 41A05 41A20 PDFBibTeX XMLCite \textit{C. Gu}, Numer. Math., Nanjing 20, No. 4, 306--314 (1998; Zbl 0938.65016)
Jiang, Chuanhai; Wu, Tao Approximation by the superpositions of one function with its translation and dilation in \(L^p(\mathbb{R}^d)\). (English) Zbl 0947.41010 Math. Appl. 11, No. 2, 94-97 (1998). Reviewer: Shi Ying-Guang (Beijing) MSC: 41A20 41A30 PDFBibTeX XMLCite \textit{C. Jiang} and \textit{T. Wu}, Math. Appl. 11, No. 2, 94--97 (1998; Zbl 0947.41010)
Kai, Hiroshi; Saito, Tomokatsu; Noda, Matu-Tarow A relation between approximate-GCD and error of hybrid rational function approximation. (Japanese) Zbl 0944.65504 RIMS Kokyuroku 1038, 139-145 (1998). MSC: 65D15 41A20 PDFBibTeX XMLCite \textit{H. Kai} et al., RIMS Kokyuroku 1038, 139--145 (1998; Zbl 0944.65504)
Kravanja, Peter; Van Barel, Marc A fast Hankel solver based on an inversion formula for Loewner matrices. (English) Zbl 0943.65041 Linear Algebra Appl. 282, No. 1-3, 275-295 (1998). Reviewer: D.Braess (Bochum) MSC: 65F05 65T50 41A20 PDFBibTeX XMLCite \textit{P. Kravanja} and \textit{M. Van Barel}, Linear Algebra Appl. 282, No. 1--3, 275--295 (1998; Zbl 0943.65041) Full Text: DOI
Illán, J. Piecewise rational approximation to continuous functions with characteristic singularities. (English) Zbl 0934.41011 J. Comput. Appl. Math. 99, No. 1-2, 195-203 (1998). Reviewer: S.M.Mazhar (Kuwait) MSC: 41A20 PDFBibTeX XMLCite \textit{J. Illán}, J. Comput. Appl. Math. 99, No. 1--2, 195--203 (1998; Zbl 0934.41011) Full Text: DOI
Bello Hernández, M.; Cala Rodríguez, F.; Guadalupe, J. J.; López Lagomasino, G. Convergence rate of Padé-type approximants for Stieltjes functions. (English) Zbl 0934.41010 J. Comput. Appl. Math. 99, No. 1-2, 47-53 (1998). Reviewer: J.Müller (Trier) MSC: 41A20 PDFBibTeX XMLCite \textit{M. Bello Hernández} et al., J. Comput. Appl. Math. 99, No. 1--2, 47--53 (1998; Zbl 0934.41010) Full Text: DOI
Lu, Ya Yan A complex coefficient rational approximation of \(\sqrt{1+x}\). (English) Zbl 0930.41015 Appl. Numer. Math. 27, No. 2, 141-154 (1998). Reviewer: A.Bultheel (Leuven) MSC: 41A20 PDFBibTeX XMLCite \textit{Y. Y. Lu}, Appl. Numer. Math. 27, No. 2, 141--154 (1998; Zbl 0930.41015) Full Text: DOI
Bultheel, Adhemar; Gonzáles-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Interpolation of Nevanlinna functions by rationals with poles on the real line. (English) Zbl 0928.30018 Jones, William B. (ed.) et al., Orthogonal functions, moment theory, and continued fractions: theory and applications. Proceedings of a research conference/workshop, Campinas, São Paulo, Brazil, June 19–28, 1996. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 199, 101-110 (1998). Reviewer: Guillermo López Lagomasino (Leganes) MSC: 30E05 30E15 41A20 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Lect. Notes Pure Appl. Math. 199, 101--110 (1998; Zbl 0928.30018)
Min, G. \(L_p\) convergence of Lagrange-type interpolation in the rational space. (English) Zbl 0923.41007 Chui, Charles K. (ed.) et al., Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3–6, 1998. Nashville, TN: Vanderbilt University Press. Innovations in Applied Mathematics. 255-262 (1998). Reviewer: Eleonora Storozhenko (Odessa) MSC: 41A20 PDFBibTeX XMLCite \textit{G. Min}, in: Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3--6, 1998. Nashville, TN: Vanderbilt University Press. 255--262 (1998; Zbl 0923.41007)
Tumarkin, Genrikh Ts. On approximation of Cauchy-type integrals by sequences of rational functions with preassigned poles. (English) Zbl 0926.30025 Chui, Charles K. (ed.) et al., Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3–6, 1998. Nashville, TN: Vanderbilt University Press. Innovations in Applied Mathematics. 331-338 (1998). Reviewer: Guido Walz (Mannheim) MSC: 30E20 41A20 PDFBibTeX XMLCite \textit{G. Ts. Tumarkin}, in: Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3--6, 1998. Nashville, TN: Vanderbilt University Press. 331--338 (1998; Zbl 0926.30025)
Lutterodt, Clement; Einstein-Matthews, Stanley Rational approximation in logarithmic capacity of meromorphic maps from \(C^n\) to \(C^m\). (English) Zbl 0935.41012 Chui, Charles K. (ed.) et al., Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3-6, 1998. Nashville, TN: Vanderbilt University Press. Innovations in Applied Mathematics. 239-245 (1998). MSC: 41A20 32H04 PDFBibTeX XMLCite \textit{C. Lutterodt} and \textit{S. Einstein-Matthews}, in: Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3--6, 1998. Nashville, TN: Vanderbilt University Press. 239--245 (1998; Zbl 0935.41012)
Krot, A. V.; Prokhorov, V. A.; Saff, E. B. Ray sequences of best rational approximants to entire functions. (English) Zbl 0947.41008 Chui, Charles K. (ed.) et al., Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3-6, 1998. Nashville, TN: Vanderbilt University Press. Innovations in Applied Mathematics. 175-200 (1998). Reviewer: E.Deeba (Houston) MSC: 41A20 PDFBibTeX XMLCite \textit{A. V. Krot} et al., in: Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3--6, 1998. Nashville, TN: Vanderbilt University Press. 175--200 (1998; Zbl 0947.41008)
Borwein, Peter B.; Zhou, Ping On the irrationality of \(\sum_{i=0}^\infty q^{-i}\prod_{j=0}^i(1+q^{-j}r+q^{-2j}s)\). (English) Zbl 0930.11052 Chui, Charles K. (ed.) et al., Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3–6, 1998. Nashville, TN: Vanderbilt University Press. Innovations in Applied Mathematics. 51-58 (1998). Reviewer: R.Wallisser (Freiburg i.Br.) MSC: 11J72 41A21 41A20 PDFBibTeX XMLCite \textit{P. B. Borwein} and \textit{P. Zhou}, in: Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3--6, 1998. Nashville, TN: Vanderbilt University Press. 51--58 (1998; Zbl 0930.11052)
Neamtu, Marian; Pottmann, Helmut; Schumaker, Larry L. Dual focal splines and rational curves with rational offsets. (English) Zbl 0940.65010 Math. Eng. Ind. 7, No. 2, 139-154 (1998). Reviewer: P.K.Mahanti (Ranchi) MSC: 65D07 41A15 41A20 42A10 65T40 PDFBibTeX XMLCite \textit{M. Neamtu} et al., Math. Eng. Ind. 7, No. 2, 139--154 (1998; Zbl 0940.65010)
Steffens, Karl-Georg A general necessary condition for the lower semicontinuity of best rational Chebyshev approximation to differentiable functions. (English) Zbl 1054.41024 East J. Approx. 4, No. 3, 337-369 (1998). MSC: 41A63 41A20 41A52 41A30 49J45 PDFBibTeX XMLCite \textit{K.-G. Steffens}, East J. Approx. 4, No. 3, 337--369 (1998; Zbl 1054.41024)
Tan, Jieqing Algorithms for lacunary vector valued rational interpolants. (English) Zbl 0926.41011 Numer. Math., J. Chin. Univ. 7, No. 2, 169-182 (1998). Reviewer: J.Gilewicz (Marseille) MSC: 41A20 65D15 65D05 PDFBibTeX XMLCite \textit{J. Tan}, Numer. Math., J. Chin. Univ. 7, No. 2, 169--182 (1998; Zbl 0926.41011)
Nazarenko, M. A. Some properties of rational approximations of degree \((k,1)\) in the Hardy space \(H_2({\mathcal D})\). (English. Russian original) Zbl 0926.41010 Math. Notes 64, No. 2, 213-219 (1998); translation from Mat. Zametki 64, No. 2, 251-259 (1998). Reviewer: S.Norvidas (Vilnius) MSC: 41A20 PDFBibTeX XMLCite \textit{M. A. Nazarenko}, Math. Notes 64, No. 2, 213--219 (1998; Zbl 0926.41010); translation from Mat. Zametki 64, No. 2, 251--259 (1998) Full Text: DOI
Min, G. Hermite-Fejér interpolation for rational systems. (English) Zbl 0932.41013 Constructive Approximation 14, No. 4, 517-529 (1998). Reviewer: Váslaw Burjan (Praha) MSC: 41A20 41A05 41A30 PDFBibTeX XMLCite \textit{G. Min}, Constr. Approx. 14, No. 4, 517--529 (1998; Zbl 0932.41013) Full Text: DOI
Szabó, Zoltán \(L^p\) norm convergence of rational operators on the unit circle. (English) Zbl 0916.41011 Math. Pannonica 9, No. 2, 281-292 (1998). Reviewer: László Leindler (Szeged) MSC: 41A20 42C15 41A05 PDFBibTeX XMLCite \textit{Z. Szabó}, Math. Pannonica 9, No. 2, 281--292 (1998; Zbl 0916.41011) Full Text: EuDML
Lukashov, A. L. The algebraic fractions of Chebyshev and Markov on several segments. (Russian) Zbl 0916.41012 Anal. Math. 24, No. 2, 111-130 (1998). Reviewer: Gerlind Plonka (Rostock) MSC: 41A20 41A50 PDFBibTeX XMLCite \textit{A. L. Lukashov}, Anal. Math. 24, No. 2, 111--130 (1998; Zbl 0916.41012) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions and interpolatory product rules on the unit circle. II: Quadrature and convergence. (English) Zbl 0929.30027 Analysis, München 18, No. 2, 185-200 (1998). Reviewer: Váslaw Burjan (Praha) MSC: 30E05 33C45 41A20 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Analysis, München 18, No. 2, 185--200 (1998; Zbl 0929.30027)
Lukashov, A. L. On Chebyshev-Markov rational functions over several intervals. (English) Zbl 0926.41012 J. Approximation Theory 95, No. 3, 333-352 (1998). Reviewer: J.Kofroň (Praha) MSC: 41A20 PDFBibTeX XMLCite \textit{A. L. Lukashov}, J. Approx. Theory 95, No. 3, 333--352 (1998; Zbl 0926.41012) Full Text: DOI
Sweatman, Winston L. Vector rational interpolation algorithms of Bulirsch-Stoer-Neville form. (English) Zbl 0915.65006 Proc. R. Soc. Lond., Ser. A, Math. Phys. Eng. Sci. 454, No. 1975, 1923-1932 (1998). Reviewer: J.Illán González (Vigo) MSC: 65D05 41A20 65L06 65L05 PDFBibTeX XMLCite \textit{W. L. Sweatman}, Proc. R. Soc. Lond., Ser. A, Math. Phys. Eng. Sci. 454, No. 1975, 1923--1932 (1998; Zbl 0915.65006) Full Text: DOI
Le Bailly, B.; Thiran, J. P. Optimum parameters for the generalized ADI method. (English) Zbl 0915.65013 Numer. Math. 80, No. 3, 377-395 (1998). Reviewer: W.Govaerts (Gent) MSC: 65D15 41A20 65F10 PDFBibTeX XMLCite \textit{B. Le Bailly} and \textit{J. P. Thiran}, Numer. Math. 80, No. 3, 377--395 (1998; Zbl 0915.65013) Full Text: DOI
Kuijlaars, A. B. J. Best constants in one-sided weak-type inequalities. (English) Zbl 0911.44003 Methods Appl. Anal. 5, No. 1, 95-108 (1998). Reviewer: P.Szeptycki (Lawrence) MSC: 44A15 41A20 26D10 41A44 PDFBibTeX XMLCite \textit{A. B. J. Kuijlaars}, Methods Appl. Anal. 5, No. 1, 95--108 (1998; Zbl 0911.44003) Full Text: DOI
Brutman, Lev On rational interpolation to \(| x|\) at the adjusted Chebyshev nodes. (English) Zbl 0917.41009 J. Approximation Theory 95, No. 1, 146-152 (1998). Reviewer: Miguel A.Jiménez (Puebla) MSC: 41A20 41A05 PDFBibTeX XMLCite \textit{L. Brutman}, J. Approx. Theory 95, No. 1, 146--152 (1998; Zbl 0917.41009) Full Text: DOI
Min, G. Lagrange interpolation and quadrature formula in rational systems. (English) Zbl 0912.41003 J. Approximation Theory 95, No. 1, 123-145 (1998). Reviewer: J.Gilewicz (Marseille) MSC: 41A05 41A20 65D32 PDFBibTeX XMLCite \textit{G. Min}, J. Approx. Theory 95, No. 1, 123--145 (1998; Zbl 0912.41003) Full Text: DOI
Fulcheri, Pascale; Olivi, Martine Matrix rational \(H_{2}\) approximation: A gradient algorithm based on Schur analysis. (English) Zbl 0979.41009 SIAM J. Control Optimization 36, No. 6, 2103-2127 (1998). MSC: 41A20 93B30 47N70 93B29 PDFBibTeX XMLCite \textit{P. Fulcheri} and \textit{M. Olivi}, SIAM J. Control Optim. 36, No. 6, 2103--2127 (1998; Zbl 0979.41009) Full Text: DOI
Baumgarten, Christoph; Farin, Gerald Smooth rational cubic spline interpolation. (English) Zbl 0904.65007 Dæhlen, Morten (ed.) et al., Mathematical methods for curves and surfaces II. 2nd international conference, Lillehammer, Norway, July 3–8, 1997. Nashville, TN: Vanderbilt Univ. Press. 17-24 (1998). MSC: 65D05 65D07 41A20 PDFBibTeX XMLCite \textit{C. Baumgarten} and \textit{G. Farin}, in: Mathematical methods for curves and surfaces II. 2nd international conference, Lillehammer, Norway, July 3--8, 1997. Nashville, TN: Vanderbilt Univ. Press. 17--24 (1998; Zbl 0904.65007)
Aptekarev, A.; Kaliaguine, V. Complex rational approximation and difference operators. (English) Zbl 0917.47028 Proceedings of the 3rd international conference on functional analysis and approximation theory, Acquafredda di Maratea (Potenza), Italy, September 23–28, 1996. Vols. I and II. Palermo: Circolo Matemàtico di Palermo, Suppl. Rend. Circ. Mat. Palermo, II. Ser. 52, 3-21 (1998). MSC: 47B39 41A20 PDFBibTeX XMLCite \textit{A. Aptekarev} and \textit{V. Kaliaguine}, in: Proceedings of the 3rd international conference on functional analysis and approximation theory, Acquafredda di Maratea (Potenza), Italy, September 23--28, 1996. Vols. I and II. Palermo: Circolo Matemàtico di Palermo. 3--21 (1998; Zbl 0917.47028)
Tan, Jieqing Interpolating rational splines in three dimensional space. (English) Zbl 0907.65008 J. Math. Res. Expo. 18, No. 2, 181-187 (1998). Reviewer: N.Ţăndăreanu (Craiova) MSC: 65D07 65D05 41A15 41A20 PDFBibTeX XMLCite \textit{J. Tan}, J. Math. Res. Expo. 18, No. 2, 181--187 (1998; Zbl 0907.65008)
Roberts, D. E. A vector Chebyshev algorithm. (English) Zbl 0907.65013 Numer. Algorithms 17, No. 1-2, 33-50 (1998). Reviewer: D.Braess (Bochum) MSC: 65D15 41A20 PDFBibTeX XMLCite \textit{D. E. Roberts}, Numer. Algorithms 17, No. 1--2, 33--50 (1998; Zbl 0907.65013) Full Text: DOI
Zhou, S. P. Some remarks on rational Müntz approximation on \([0,\infty)\). (English) Zbl 0906.41014 Colloq. Math. 77, No. 2, 233-243 (1998). Reviewer: J.Kofroň (Praha) MSC: 41A20 41A30 PDFBibTeX XMLCite \textit{S. P. Zhou}, Colloq. Math. 77, No. 2, 233--243 (1998; Zbl 0906.41014) Full Text: DOI EuDML
Leblond, Juliette; Olivi, Martine Weighted \(H^2\) approximation of transfer functions. (English) Zbl 0944.93005 Math. Control Signals Syst. 11, No. 1, 28-39 (1998). MSC: 93B30 41A20 93C80 PDFBibTeX XMLCite \textit{J. Leblond} and \textit{M. Olivi}, Math. Control Signals Syst. 11, No. 1, 28--39 (1998; Zbl 0944.93005) Full Text: DOI
Bshouty, Nader H.; Cleve, Richard Interpolating arithmetic read-once formulas in parallel. (English) Zbl 0911.68068 SIAM J. Comput. 27, No. 2, 401-413 (1998). MSC: 68W10 41A05 68T05 41A20 PDFBibTeX XMLCite \textit{N. H. Bshouty} and \textit{R. Cleve}, SIAM J. Comput. 27, No. 2, 401--413 (1998; Zbl 0911.68068) Full Text: DOI
Rakhmanov, E. A.; Saff, E. B.; Simeonov, P. C. Rational approximation with varying weights. II. (English) Zbl 0907.41013 J. Approximation Theory 92, No. 2, 331-338 (1998). Reviewer: M.A.Jiménez (Puebla) MSC: 41A20 PDFBibTeX XMLCite \textit{E. A. Rakhmanov} et al., J. Approx. Theory 92, No. 2, 331--338 (1998; Zbl 0907.41013) Full Text: DOI
Levin, A. L.; Maimeskul, V. V.; Saff, E. B. Rational approximation with locally geometric rates. (English) Zbl 0898.41010 J. Approximation Theory 92, No. 2, 308-330 (1998). Reviewer: G.Walz (Mannheim) MSC: 41A20 41A25 PDFBibTeX XMLCite \textit{A. L. Levin} et al., J. Approx. Theory 92, No. 2, 308--330 (1998; Zbl 0898.41010) Full Text: DOI Link
Baratchart, L.; Olivi, M. Critical points and error rank in best \(H_2\) matrix rational approximation of fixed McMillan degree. (English) Zbl 0913.41009 Constructive Approximation 14, No. 2, 273-300 (1998). Reviewer: I.Şerb (Cluj-Napoca) MSC: 41A20 93B30 15A54 30E10 PDFBibTeX XMLCite \textit{L. Baratchart} and \textit{M. Olivi}, Constr. Approx. 14, No. 2, 273--300 (1998; Zbl 0913.41009) Full Text: DOI