Díaz Mendoza, C.; González Vera, P.; Jiménez Paiz, M.; Njåstad, O. Radau and Lobatto-type quadratures associated with strong Stieltjes distributions. (English) Zbl 1312.65034 J. Comput. Appl. Math. 284, 184-201 (2015). MSC: 65D32 41A55 42C05 PDFBibTeX XMLCite \textit{C. Díaz Mendoza} et al., J. Comput. Appl. Math. 284, 184--201 (2015; Zbl 1312.65034) Full Text: DOI
Bultheel, Adhemar (ed.); López-Lagomasino, Guillermo (ed.); Marcellán, Francisco (ed.); Njåstad, Olav (ed.); Orive, Ramón (ed.) Foreword to the proceedings of the OrthoQuad 2014 conference. (English) Zbl 1310.00041 J. Comput. Appl. Math. 284, 1-9 (2015). MSC: 00B25 00B30 PDFBibTeX XMLCite \textit{A. Bultheel} (ed.) et al., J. Comput. Appl. Math. 284, 1--9 (2015; Zbl 1310.00041) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Quadratures associated with pseudo-orthogonal rational functions on the real half line with poles in \([-\infty,0]\). (English) Zbl 1262.65041 J. Comput. Appl. Math. 237, 589-602 (2013). Reviewer: Ana-Maria Acu (Sibiu) MSC: 65D32 42C10 41A55 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Comput. Appl. Math. 237, 589--602 (2013; Zbl 1262.65041) Full Text: DOI
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O. Natural solutions of rational Stieltjes moment problems. (English) Zbl 1211.44006 J. Math. Anal. Appl. 377, No. 2, 571-583 (2011). Reviewer: Isabel Marrero (La Laguna) MSC: 44A60 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Math. Anal. Appl. 377, No. 2, 571--583 (2011; Zbl 1211.44006) Full Text: DOI
Díaz-Mendoza, C.; González-Vera, P.; Jiménez Paiz, M.; Njåstad, O. Orthogonality and recurrence for ordered Laurent polynomial sequences. (English) Zbl 1202.30006 J. Comput. Appl. Math. 235, No. 4, 982-997 (2010). MSC: 30C10 33C45 42C05 PDFBibTeX XMLCite \textit{C. Díaz-Mendoza} et al., J. Comput. Appl. Math. 235, No. 4, 982--997 (2010; Zbl 1202.30006) Full Text: DOI
Bonan-Hamada, C.; Jones, W. B.; Njåstad, O. Zeros of orthogonal Laurent polynomials and solutions of strong Stieltjes moment problems. (English) Zbl 1206.44003 J. Comput. Appl. Math. 235, No. 4, 895-903 (2010). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 44A60 PDFBibTeX XMLCite \textit{C. Bonan-Hamada} et al., J. Comput. Appl. Math. 235, No. 4, 895--903 (2010; Zbl 1206.44003) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions. Reprint of the 1999 hardback ed. (English) Zbl 1205.42024 Cambridge Monographs on Applied and Computational Mathematics 5. Cambridge: Cambridge University Press (ISBN 978-0-521-11591-9/pbk). xiv, 407 p. (2009). MSC: 42C05 33C45 33-02 42-02 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Orthogonal rational functions. Reprint of the 1999 hardback ed. Cambridge: Cambridge University Press (2009; Zbl 1205.42024)
Njåstad, O.; Velázquez, L. Wall rational functions and Khrushchev’s formula for orthogonal rational functions. (English) Zbl 1171.42308 Constr. Approx. 30, No. 2, 277-297 (2009). MSC: 42C05 PDFBibTeX XMLCite \textit{O. Njåstad} and \textit{L. Velázquez}, Constr. Approx. 30, No. 2, 277--297 (2009; Zbl 1171.42308) Full Text: DOI arXiv
Njåstad, Olav Analytic functions associated with strong hamburger moment problems. (English) Zbl 1165.30010 Proc. Edinb. Math. Soc., II. Ser. 52, No. 1, 181-187 (2009). Reviewer: Gabriel Larotonda (Buenos Aires) MSC: 30D15 30E05 42C05 44A60 PDFBibTeX XMLCite \textit{O. Njåstad}, Proc. Edinb. Math. Soc., II. Ser. 52, No. 1, 181--187 (2009; Zbl 1165.30010) Full Text: DOI
Cruz-Barroso, Ruymán; Daruis, Leyla; González-Vera, Pablo; Njåstad, Olav Sequences of orthogonal Laurent polynomials, bi-orthogonality and quadrature formulas on the unit circle. (English) Zbl 1119.41025 J. Comput. Appl. Math. 206, No. 2, 950-966 (2007). MSC: 41A55 33C45 PDFBibTeX XMLCite \textit{R. Cruz-Barroso} et al., J. Comput. Appl. Math. 206, No. 2, 950--966 (2007; Zbl 1119.41025) Full Text: DOI
Njåstad, O.; Santos-León, J. C. Domain of validity of Szegő quadrature formulas. (English) Zbl 1109.41020 J. Comput. Appl. Math. 202, No. 2, 440-449 (2007). MSC: 41A55 PDFBibTeX XMLCite \textit{O. Njåstad} and \textit{J. C. Santos-León}, J. Comput. Appl. Math. 202, No. 2, 440--449 (2007; Zbl 1109.41020) Full Text: DOI
Cruz-Barroso, Ruymán; Daruis, Leyla; González-Vera, Pablo; Njåstad, Olav Sequences of orthogonal Laurent polynomials, bi-orthogonality and quadrature formulas on the unit circle. (English) Zbl 1136.42020 J. Comput. Appl. Math. 200, No. 1, 424-440 (2007). MSC: 42C05 65D32 33C99 PDFBibTeX XMLCite \textit{R. Cruz-Barroso} et al., J. Comput. Appl. Math. 200, No. 1, 424--440 (2007; Zbl 1136.42020) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions on the unit circle: from the scalar to the matrix case. (English) Zbl 1142.42010 Marcellán, Francisco (ed.) et al., Orthogonal polynomials and special functions. Computation and applications. Lecture notes of the 5th European summer school, Madrid, Laganés, Spain, July 8–18, 2004. Berlin: Springer (ISBN 3-540-31062-2/pbk). Lecture Notes in Mathematics 1883, 187-228 (2006). Reviewer: Andrei Martínez Finkelshtein (Almeria) MSC: 42C05 30E05 41A55 65D32 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Lect. Notes Math. 1883, 187--228 (2006; Zbl 1142.42010)
Cruz-Barrosó, Ruymán; Daruisa, Leyla; González-Vera, Pablo; Njastad, Olav Quadrature rules for periodic integrands. Bi-orthogonality and para-orthogonality. (English) Zbl 1108.41017 Ann. Math. Inform. 32, 5-44 (2005). MSC: 41A55 33C45 PDFBibTeX XMLCite \textit{R. Cruz-Barrosó} et al., Ann. Math. Inform. 32, 5--44 (2005; Zbl 1108.41017) Full Text: EuDML
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, Olav Separation of zeros of para-orthogonal rational functions. (English) Zbl 1129.42406 Rev. Acad. Canar. Cienc. 16(2004), No. 1-2, 9-14 (2005). MSC: 42C05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Rev. Acad. Canar. Cienc. 16, No. 1--2, 9--14 (2005; Zbl 1129.42406)
Daruis, Leyla; Njåstad, Olav; Van Assche, Walter Szegő quadrature and frequency analysis. (English) Zbl 1122.41017 ETNA, Electron. Trans. Numer. Anal. 19, 48-57 (2005). Reviewer: Francisco Perez Acosta (La Laguna) MSC: 41A55 33C45 94A12 PDFBibTeX XMLCite \textit{L. Daruis} et al., ETNA, Electron. Trans. Numer. Anal. 19, 48--57 (2005; Zbl 1122.41017) Full Text: EuDML EMIS
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O. Orthogonal rational functions on the real half line with poles in \([-\infty,0]\). (English) Zbl 1068.42022 J. Comput. Appl. Math. 179, No. 1-2, 121-155 (2005). Reviewer: Alexei Lukashov (Saratov) MSC: 42C05 65D32 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Comput. Appl. Math. 179, No. 1--2, 121--155 (2005; Zbl 1068.42022) Full Text: DOI
Daruis, Leyla; Njåstad, Olav; Van Assche, Walter Para-orthogonal polynomials in frequency analysis. (English) Zbl 1042.94001 Rocky Mt. J. Math. 33, No. 2, 629-645 (2003). MSC: 94A11 33C45 94A12 42C05 PDFBibTeX XMLCite \textit{L. Daruis} et al., Rocky Mt. J. Math. 33, No. 2, 629--645 (2003; Zbl 1042.94001) Full Text: DOI
Njåstad, O. Nevanlinna matrices for the strong Hamburger moment problem. (English) Zbl 1038.30014 Rocky Mt. J. Math. 33, No. 2, 475-488 (2003). Reviewer: Eleonora Storozhenko (Odessa) MSC: 30D15 30E05 42C05 44A60 PDFBibTeX XMLCite \textit{O. Njåstad}, Rocky Mt. J. Math. 33, No. 2, 475--488 (2003; Zbl 1038.30014) Full Text: DOI
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, Olav Orthogonal rational functions and quadrature on the real half line. (English) Zbl 1049.42012 J. Complexity 19, No. 3, 212-230 (2003). Reviewer: Walter Van Assche (Leuven) MSC: 42C05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Complexity 19, No. 3, 212--230 (2003; Zbl 1049.42012) Full Text: DOI
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O. Orthogonal rational functions and tridiagonal matrices. (English) Zbl 1014.42017 J. Comput. Appl. Math. 153, No. 1-2, 89-97 (2003). MSC: 42C05 30B70 65D32 30E05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Comput. Appl. Math. 153, No. 1--2, 89--97 (2003; Zbl 1014.42017) Full Text: DOI
Bultheel, A.; Gonzalez-Vera, P.; Hendriksen, E.; Njåstad, Olav A rational Stieltjes moment problem. (English) Zbl 1055.30031 Appl. Math. Comput. 128, No. 2-3, 217-235 (2002). Reviewer: Elena E. Berdysheva (Stuttgart) MSC: 30E05 44A60 42C05 30E10 41A21 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Appl. Math. Comput. 128, No. 2--3, 217--235 (2002; Zbl 1055.30031) Full Text: DOI
Daruis, Leyla; González-Vera, Pablo; Njåstad, Olav Szegö quadrature formulas for certain Jacobi-type weight functions. (English) Zbl 0989.41015 Math. Comput. 71, No. 238, 683-701 (2002). Reviewer: Sven Ehrich (Neuherberg) MSC: 41A55 33C45 PDFBibTeX XMLCite \textit{L. Daruis} et al., Math. Comput. 71, No. 238, 683--701 (2002; Zbl 0989.41015) Full Text: DOI
Njåstad, Olav Regularity of certain Laurent polynomials. (English) Zbl 0996.30026 Lakshmi, K. S. (ed.) et al., Proceedings of the international conference on analysis and its applications (an event of World Math Year 2000), Chennai, India, December 6-9, 2000. New Delhi: Allied Publishers Ltd. 139-145 (2001). Reviewer: Elena E.Berdysheva (Erlangen) MSC: 30E05 44A60 33C45 42C05 PDFBibTeX XMLCite \textit{O. Njåstad}, in: Proceedings of the international conference on analysis and its applications (an event of World Math Year 2000), Chennai, India, December 6--9, 2000. New Delhi: Allied Publishers Ltd.. 139--145 (2001; Zbl 0996.30026)
Bultheel, Adhemar; Gonzalez-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions and continued fractions. (English) Zbl 0995.42017 Bustoz, Joaquin (ed.) et al., Special functions 2000: current perspective and future directions. Proceedings of the NATO Advanced Study Institute, Tempe, AZ, USA, May 29-June 9, 2000. Dordrecht: Kluwer Academic Publishers. NATO Sci. Ser. II, Math. Phys. Chem. 30, 87-109 (2001). Reviewer: Marcel G.de Bruin (Delft) MSC: 42C05 30B70 30E05 41A21 33C45 PDFBibTeX XMLCite \textit{A. Bultheel} et al., NATO Sci. Ser. II, Math. Phys. Chem. 30, 87--109 (2001; Zbl 0995.42017)
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O. Determinacy of a rational moment problem. (English) Zbl 0997.44005 J. Comput. Appl. Math. 133, No. 1-2, 241-252 (2001). Reviewer: C.L.Parihar (Indore) MSC: 44A60 42C05 30E05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Comput. Appl. Math. 133, No. 1--2, 241--252 (2001; Zbl 0997.44005) Full Text: DOI
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O. Orthogonal rational functions and interpolatory product rules on the unit circle. III: Convergence of general sequences. (English) Zbl 0979.41019 Analysis, München 20, No. 2, 99-120 (2000). Reviewer: Václav Burjan (Praha) MSC: 41A55 33C45 41A21 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Analysis, München 20, No. 2, 99--120 (2000; Zbl 0979.41019) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Elements of a theory of orthogonal rational functions. (English) Zbl 1029.42019 Rev. Acad. Canar. Cienc. 11, No. 1-2, 127-152 (1999). MSC: 42C05 41A20 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Rev. Acad. Canar. Cienc. 11, No. 1--2, 127--152 (1999; Zbl 1029.42019)
Njåstad, Olav Lens-shaped regions for strong Stieltjes moment problems. (English) Zbl 0978.44004 Methods Appl. Anal. 6, No. 2, 195-208 (1999). Reviewer: Marcel G.de Bruin (Delft) MSC: 44A60 42C05 30E05 PDFBibTeX XMLCite \textit{O. Njåstad}, Methods Appl. Anal. 6, No. 2, 195--208 (1999; Zbl 0978.44004) Full Text: DOI
Njåstad, Olav Strong Stieltjes moment problems. (English) Zbl 0938.30025 Berndt, Bruce C. (ed.) et al., Continued fractions: from analytic number theory to constructive approximation. A volume in honor of L. J. Lange. Proceedings of the conference, University of Missouri–Columbia, Columbia, MO, USA, May 20-23, 1998. Providence, RI: American Mathematical Society. Contemp. Math. 236, 257-275 (1999). Reviewer: Váslaw Burjan (Praha) MSC: 30E05 42C05 44A60 PDFBibTeX XMLCite \textit{O. Njåstad}, Contemp. Math. 236, 257--275 (1999; Zbl 0938.30025)
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav A density problem for orthogonal rational functions. (English) Zbl 0944.30021 J. Comput. Appl. Math. 105, No. 1-2, 199-212 (1999). Reviewer: Váslaw Burjan (Praha) MSC: 30E05 42C05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Comput. Appl. Math. 105, No. 1--2, 199--212 (1999; Zbl 0944.30021) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions. (English) Zbl 0923.42017 Cambridge Monographs on Applied and Computational Mathematics. 5. Cambridge: Cambridge University Press. xiv, 407 p. (1999). Reviewer: Mihai Putinar (Santa Barbara) MSC: 42C05 33C45 33-02 42-02 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Orthogonal rational functions. Cambridge: Cambridge University Press (1999; Zbl 0923.42017)
Njåstad, Olav Nevanlinna matrices for the strong Stieltjes moment problem. (English) Zbl 0929.44003 J. Comput. Appl. Math. 99, No. 1-2, 311-318 (1998). Reviewer: Semen B.Yakubovich (Eindhoven) MSC: 44A60 33C45 30E05 32A22 PDFBibTeX XMLCite \textit{O. Njåstad}, J. Comput. Appl. Math. 99, No. 1--2, 311--318 (1998; Zbl 0929.44003) Full Text: DOI
Njåstad, Olav Remarks on canonical solutions of strong moment problems 4. (English) Zbl 0926.44003 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, 359-374 (1998). MSC: 44A60 42C05 30E05 PDFBibTeX XMLCite \textit{O. Njåstad}, Lect. Notes Pure Appl. Math. 199, 359--374 (1998; Zbl 0926.44003)
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Continued fractions and orthogonal rational functions. (English) Zbl 0930.30004 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, 69-100 (1998). Reviewer: Guillermo López Lagomasino (Leganes) MSC: 30B70 30E15 42C05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Lect. Notes Pure Appl. Math. 199, 69--100 (1998; Zbl 0930.30004)
Bonan-Hamada, Catherine M.; Jones, William B.; Thron, W. J.; Njåstad, Olav A class of indeterminate strong Stieltjes moment problems with discrete distributions. (English) Zbl 0979.44005 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, 31-55 (1998). Reviewer: Lisa Lorentzen (Trondheim) MSC: 44A60 42C05 PDFBibTeX XMLCite \textit{C. M. Bonan-Hamada} et al., Lect. Notes Pure Appl. Math. 199, 31--55 (1998; Zbl 0979.44005)
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)
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions and interpolatory product rules on the unit circle. I: Recurrence and interpolation. (English) Zbl 0929.30026 Analysis, München 18, No. 2, 167-183 (1998). Reviewer: L.Lorentzen (Trondheim) MSC: 30E05 33C45 41A05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Analysis, München 18, No. 2, 167--183 (1998; Zbl 0929.30026)
Njåstad, Olav; Waadeland, Haakon Asymptotic properties of zeros of orthogonal rational functions. (English) Zbl 0864.42010 J. Comput. Appl. Math. 77, No. 1-2, 255-275 (1997). MSC: 42C05 94A11 PDFBibTeX XMLCite \textit{O. Njåstad} and \textit{H. Waadeland}, J. Comput. Appl. Math. 77, No. 1--2, 255--275 (1997; Zbl 0864.42010) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav A Favard theorem for rational functions with poles on the unit circle. (English) Zbl 0893.33004 East J. Approx. 3, No. 1, 21-37 (1997). Reviewer: D.Dryanov (Sofia) MSC: 33C45 42C05 30E05 30C10 PDFBibTeX XMLCite \textit{A. Bultheel} et al., East J. Approx. 3, No. 1, 21--37 (1997; Zbl 0893.33004)
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav A rational moment problem on the unit circle. (English) Zbl 0905.30030 Methods Appl. Anal. 4, No. 3, 283-310 (1997). Reviewer: J.Bustamante González (Puebla) MSC: 30E05 42C10 42A99 47A57 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Methods Appl. Anal. 4, No. 3, 283--310 (1997; Zbl 0905.30030) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions and nested disks. (English) Zbl 0878.42012 J. Approximation Theory 89, No. 3, 344-371 (1997). Reviewer: G.López Lagomasino (Leganes) MSC: 42C05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Approx. Theory 89, No. 3, 344--371 (1997; Zbl 0878.42012) Full Text: DOI Link
Njåstad, Olav; Waadeland, Haakon Generalized Szegö theory in frequency analysis. (English) Zbl 0872.42006 J. Math. Anal. Appl. 206, No. 1, 280-307 (1997). Reviewer: G.López Lagomasino (Leganes) MSC: 42C05 94A11 PDFBibTeX XMLCite \textit{O. Njåstad} and \textit{H. Waadeland}, J. Math. Anal. Appl. 206, No. 1, 280--307 (1997; Zbl 0872.42006) Full Text: DOI
Njåstad, Olav Solutions of the strong Hamburger moment problem. (English) Zbl 0853.44004 J. Math. Anal. Appl. 197, No. 1, 227-248 (1996). Reviewer: V.L.Deshpande (Amalner) MSC: 44A60 42C05 PDFBibTeX XMLCite \textit{O. Njåstad}, J. Math. Anal. Appl. 197, No. 1, 227--248 (1996; Zbl 0853.44004) Full Text: DOI
Njåstad, Olav Solutions of the strong Stieltjes moment problem. (English) Zbl 0841.30033 Methods Appl. Anal. 2, No. 3, 320-347 (1995). Reviewer: A.Bultheel (Leuven) MSC: 30E05 44A60 42C05 PDFBibTeX XMLCite \textit{O. Njåstad}, Methods Appl. Anal. 2, No. 3, 320--347 (1995; Zbl 0841.30033) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Convergence of modified approximants associated with orthogonal rational functions. (English) Zbl 0898.42008 J. Comput. Appl. Math. 57, No. 1-2, 77-86 (1995). MSC: 42C05 41A20 30E10 41A30 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Comput. Appl. Math. 57, No. 1--2, 77--86 (1995; Zbl 0898.42008) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Favard theorem for reproducing kernels. (English) Zbl 0851.30001 J. Comput. Appl. Math. 57, No. 1-2, 57-76 (1995). Reviewer: A.Bultheel (Leuven) MSC: 30C15 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Comput. Appl. Math. 57, No. 1--2, 57--76 (1995; Zbl 0851.30001) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Convergence of orthogonal rational functions. (English) Zbl 0872.33006 Ali, Rosihan M. (ed.) et al., Computational methods and function theory 1994. Proceedings of the conference, Penang, Malaysia, March 21–25, 1994. Singapore: World Scientific. Ser. Approx. Decompos. 5, 111-123 (1995). Reviewer: J.Müller (Trier) MSC: 33C45 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Ser. Approx. Decompos. 5, 111--123 (1995; Zbl 0872.33006)
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Asymptotics for orthogonal rational functions. (English) Zbl 0814.42012 Trans. Am. Math. Soc. 346, No. 1, 307-329 (1994). MSC: 42C05 30B70 30D50 41A20 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Trans. Am. Math. Soc. 346, No. 1, 307--329 (1994; Zbl 0814.42012) Full Text: DOI
Jones, William B.; Njåstad, Olav; Waadeland, Haakon Asymptotics of zeros of orthogonal and para-orthogonal Szegö polynomials in frequency analysis. (English) Zbl 0818.33005 Cooper, Clement S. (ed.) et al., Continued fractions and orthogonal functions: theory and applications. Proceedings, 4th workshop, held in Loen, Norway, June 21 - July 4, 1992. Basel: Dekker. Lect. Notes Pure Appl. Math. 154, 153-190 (1994). Reviewer: G.Steidl (Darmstadt) MSC: 33C45 94A11 42C05 PDFBibTeX XMLCite \textit{W. B. Jones} et al., Lect. Notes Pure Appl. Math. 154, 153--190 (1994; Zbl 0818.33005)
Jones, William B.; Njåstad, Olav; Waadeland, Haakon An alternative way of using Szegö polynomials in frequency analysis. (English) Zbl 0818.33004 Cooper, Clement S. (ed.) et al., Continued fractions and orthogonal functions: theory and applications. Proceedings, 4th workshop, held in Loen, Norway, June 21 - July 4, 1992. Basel: Dekker. Lect. Notes Pure Appl. Math. 154, 141-152 (1994). Reviewer: G.Steidl (Darmstadt) MSC: 33C45 94A11 42C05 PDFBibTeX XMLCite \textit{W. B. Jones} et al., Lect. Notes Pure Appl. Math. 154, 141--152 (1994; Zbl 0818.33004)
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Recurrence relations for orthogonal functions. (English) Zbl 0813.30007 Cooper, Clement S. (ed.) et al., Continued fractions and orthogonal functions: theory and applications. Proceedings, 4th workshop, held in Loen, Norway, June 21 - July 4, 1992. Basel: Dekker. Lect. Notes Pure Appl. Math. 154, 23-46 (1994). Reviewer: L.Lorentzen (Trondheim) MSC: 30B70 42C05 33C45 39A10 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Lect. Notes Pure Appl. Math. 154, 23--46 (1994; Zbl 0813.30007)
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions with poles on the unit circle. (English) Zbl 0796.33003 J. Math. Anal. Appl. 182, No. 1, 221-243 (1994). Reviewer: J.Gilewicz (Marseille) MSC: 33C45 30C10 41A20 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Math. Anal. Appl. 182, No. 1, 221--243 (1994; Zbl 0796.33003) Full Text: DOI Link
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Moment problems and orthogonal functions. (English) Zbl 0795.33003 J. Comput. Appl. Math. 48, No. 1-2, 49-68 (1993). Reviewer: H.Stahl (Berlin) MSC: 33C45 42C05 30E05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., J. Comput. Appl. Math. 48, No. 1--2, 49--68 (1993; Zbl 0795.33003) Full Text: DOI
Jones, William B.; Thron, W. J.; Njåstad, Olav; Waadeland, Haakon Szegő polynomials applied to frequency analysis. (English) Zbl 0784.65105 J. Comput. Appl. Math. 46, No. 1-2, 217-228 (1993). Reviewer: G.Steidl (Darmstadt) MSC: 65T40 42C05 94A11 42A16 41A21 PDFBibTeX XMLCite \textit{W. B. Jones} et al., J. Comput. Appl. Math. 46, No. 1--2, 217--228 (1993; Zbl 0784.65105) Full Text: DOI
Jones, William B.; Njåstad, Olav; Waadeland, Haakon Asymptotics for Szegö polynomial zeros. (English) Zbl 0791.65107 Numer. Algorithms 3, No. 1-4, 255-264 (1992). Reviewer: G.Steidl (Darmstadt) MSC: 65T40 42C05 33C45 PDFBibTeX XMLCite \textit{W. B. Jones} et al., Numer. Algorithms 3, No. 1--4, 255--264 (1992; Zbl 0791.65107) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions and quadrature on the unit circle. (English) Zbl 0786.42011 Numer. Algorithms 3, No. 1-4, 105-116 (1992). Reviewer: L.Lorentzen (Trondheim) MSC: 42C05 30C99 41A55 65D32 30E10 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Numer. Algorithms 3, No. 1--4, 105--116 (1992; Zbl 0786.42011) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav A Favard theorem for orthogonal rational functions on the unit circle. (English) Zbl 0786.42010 Numer. Algorithms 3, No. 1-4, 81-89 (1992). Reviewer: L.Lorentzen (Trondheim) MSC: 42C05 30C99 65D99 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Numer. Algorithms 3, No. 1--4, 81--89 (1992; Zbl 0786.42010) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav The computation of orthogonal rational functions and their interpolating properties. (English) Zbl 0758.65009 Numer. Algorithms 2, No. 1, 85-114 (1992). Reviewer: R.S.Dahiya (Ames) MSC: 65D20 41A20 42C05 30D50 65Q05 33C45 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Numer. Algorithms 2, No. 1, 85--114 (1992; Zbl 0758.65009) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonality and quadrature on the unit circle. (English) Zbl 0830.30022 Brezinski, Claude (ed.) et al., Orthogonal polynomials and their applications. Proceedings of the third international symposium held in Erice, Italy, June 1-8, 1990. Basel: J. C. Baltzer, IMACS Ann. Comput. Appl. Math. 9, 205-210 (1991). MSC: 30E05 41A55 33C45 42C05 41A21 65D32 PDFBibTeX XMLCite \textit{A. Bultheel} et al., IMACS Ann. Comput. Appl. Math. 9, 205--210 (1991; Zbl 0830.30022)
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Orthogonal rational functions similar to Szegö polynomials. (English) Zbl 0829.42020 Brezinski, Claude (ed.) et al., Orthogonal polynomials and their applications. Proceedings of the third international symposium held in Erice, Italy, June 1-8, 1990. Basel: J. C. Baltzer, IMACS Ann. Comput. Appl. Math. 9, 195-204 (1991). MSC: 42C05 PDFBibTeX XMLCite \textit{A. Bultheel} et al., IMACS Ann. Comput. Appl. Math. 9, 195--204 (1991; Zbl 0829.42020)
Jones, William B.; Njåstad, Olav Applications of Szegö polynomials to digital signal processing. (English) Zbl 0729.94002 Rocky Mt. J. Math. 21, No. 1, 387-436 (1991). MSC: 94A11 41A21 42A70 33C45 PDFBibTeX XMLCite \textit{W. B. Jones} and \textit{O. Njåstad}, Rocky Mt. J. Math. 21, No. 1, 387--436 (1991; Zbl 0729.94002) Full Text: DOI
Hendriksen, Erik; Njåstad, Olav Biorthogonal Laurent polynomials with biorthogonal derivatives. (English) Zbl 0763.33004 Rocky Mt. J. Math. 21, No. 1, 301-317 (1991). Reviewer: M.G.de Bruin (Haarlem) MSC: 33C65 33E30 42C05 PDFBibTeX XMLCite \textit{E. Hendriksen} and \textit{O. Njåstad}, Rocky Mt. J. Math. 21, No. 1, 301--317 (1991; Zbl 0763.33004) Full Text: DOI
Njåstad, Olav Convergence of the Schur algorithm. (English) Zbl 0735.30034 Proc. Am. Math. Soc. 110, No. 4, 1003-1007 (1990). Reviewer: H.-J.Runckel MSC: 30E05 42C05 30B70 PDFBibTeX XMLCite \textit{O. Njåstad}, Proc. Am. Math. Soc. 110, No. 4, 1003--1007 (1990; Zbl 0735.30034) Full Text: DOI
Jones, William B.; Njåstad, Olav; Saff, E. B. Szegö polynomials associated with Wiener-Levinson filters. (English) Zbl 0718.94002 J. Comput. Appl. Math. 32, No. 3, 387-406 (1990). Reviewer: M.Simersky (Praha) MSC: 94A11 41A21 PDFBibTeX XMLCite \textit{W. B. Jones} et al., J. Comput. Appl. Math. 32, No. 3, 387--406 (1990; Zbl 0718.94002) Full Text: DOI
Jones, William B.; Njåstad, Olav; Thron, W. J. Moment theory, orthogonal polynomials, quadrature, and continued fractions associated with the unit circle. (English) Zbl 0637.30035 Bull. Lond. Math. Soc. 21, No. 2, 113-152 (1989). Reviewer: W.B.Jones MSC: 30E05 33C45 41A21 41A55 PDFBibTeX XMLCite \textit{W. B. Jones} et al., Bull. Lond. Math. Soc. 21, No. 2, 113--152 (1989; Zbl 0637.30035) Full Text: DOI
Njåstad, Olav Multipoint Padé approximation and orthogonal rational functions. (English) Zbl 0721.30003 Nonlinear numerical methods and rational approximation, Proc. Conf., Antwerp/Belgium 1987, Math. Appl., D. Reidel Publ. Co. 43, 259-270 (1988). MSC: 30B10 41A21 30E10 42C05 PDFBibTeX XML
Njåstad, Olav Orthogonal rational functions with poles in a finite subset of R. (English) Zbl 0658.42024 Orthogonal polynomials and their applications, Proc. Int. Symp., Segovia/Spain 1986, Lect. Notes Math. 1329, 300-307 (1988). Reviewer: G.D.Dikshit MSC: 42C05 41A20 PDFBibTeX XML
Njåstad, Olav Unique solvability of an extended Stieltjes moment problem. (English) Zbl 0647.30031 Proc. Am. Math. Soc. 102, No. 1, 78-82 (1988). Reviewer: G.López Lagomasino MSC: 30E05 42C05 PDFBibTeX XMLCite \textit{O. Njåstad}, Proc. Am. Math. Soc. 102, No. 1, 78--82 (1988; Zbl 0647.30031) Full Text: DOI
Njåstad, Olav Unique solvability of an extended Hamburger moment problem. (English) Zbl 0654.42024 J. Math. Anal. Appl. 124, 502-519 (1987). MSC: 42C05 PDFBibTeX XMLCite \textit{O. Njåstad}, J. Math. Anal. Appl. 124, 502--519 (1987; Zbl 0654.42024) Full Text: DOI
Jones, W. B.; Njåstad, Olav; Thron, W. J. Schur fractions, Perron-Carathéodory fractions and Szegö polynomials, a survey. (English) Zbl 0596.30009 Analytic theory of continued fractions II, Proc. Semin.-Workshop, Pitlochry and Aviemore/Scotl. 1985, Lect. Notes Math. 1199, 127-158 (1986). MSC: 30B70 30E05 42C05 PDFBibTeX XML
Njåstad, Olav; Thron, W. J. Unique solvability of the strong Hamburger moment problem. (English) Zbl 0593.44006 J. Aust. Math. Soc., Ser. A 40, 5-19 (1986). Reviewer: D.Leviatan MSC: 44A60 30E05 33C45 PDFBibTeX XMLCite \textit{O. Njåstad} and \textit{W. J. Thron}, J. Aust. Math. Soc., Ser. A 40, 5--19 (1986; Zbl 0593.44006)
Njåstad, Olav A multi-point Padé approximation problem. (English) Zbl 0593.41016 Analytic theory of continued fractions II, Proc. Semin.-Workshop, Pitlochry and Aviemore/Scotl. 1985, Lect. Notes Math. 1199, 263-268 (1986). MSC: 41A21 42C05 41A05 PDFBibTeX XML
Njåstad, Olav An extended Hamburger moment problem. (English) Zbl 0557.30032 Proc. Edinb. Math. Soc., II. Ser. 28, 167-183 (1985). MSC: 30E05 42C05 33C45 PDFBibTeX XMLCite \textit{O. Njåstad}, Proc. Edinb. Math. Soc., II. Ser. 28, 167--183 (1985; Zbl 0557.30032) Full Text: DOI
Jones, William B.; Thron, W. J.; Njåstad, Olav Orthogonal Laurent polynomials and the strong Hamburger moment problem. (English) Zbl 0535.44006 J. Math. Anal. Appl. 98, 528-554 (1984). Reviewer: R.K.Saxena MSC: 44A60 PDFBibTeX XMLCite \textit{W. B. Jones} et al., J. Math. Anal. Appl. 98, 528--554 (1984; Zbl 0535.44006) Full Text: DOI
Njåstad, Olav; Thron, W. J. The theory of sequences of orthogonal L-polynomials. (English) Zbl 0643.33011 Skr., K. Nor. Vidensk. Selsk. 1983, No. 1, 54-91 (1983). Reviewer: O.Njåstad MSC: 33C45 42C05 41A21 44A60 PDFBibTeX XMLCite \textit{O. Njåstad} and \textit{W. J. Thron}, Skr., K. Nor. Vidensk. Selsk. 1983, No. 1, 54--91 (1983; Zbl 0643.33011)