Díaz-González, Abel; Pijeira-Cabrera, Héctor; Pérez-Yzquierdo, Ignacio Rational approximation and Sobolev-type orthogonality. (English) Zbl 1452.41006 J. Approx. Theory 260, Article ID 105481, 19 p. (2020). Reviewer: Francisco Marcellán (Leganes) MSC: 41A20 30E10 33C47 42C05 PDFBibTeX XMLCite \textit{A. Díaz-González} et al., J. Approx. Theory 260, Article ID 105481, 19 p. (2020; Zbl 1452.41006) Full Text: DOI arXiv
Borrego-Morell, J.; Pijeira-Cabrera, H. Differential orthogonality: Laguerre and Hermite cases with applications. (English) Zbl 1321.33011 J. Approx. Theory 196, 111-130 (2015). Reviewer: Chrysoula G. Kokologiannaki (Patras) MSC: 33C45 47E05 85A30 PDFBibTeX XMLCite \textit{J. Borrego-Morell} and \textit{H. Pijeira-Cabrera}, J. Approx. Theory 196, 111--130 (2015; Zbl 1321.33011) Full Text: DOI arXiv
López Lagomasino, G.; Español, F. Marcellán; Pijeira Cabrera, H. Logarithmic asymptotics of contracted Sobolev extremal polynomials on the real line. (English) Zbl 1106.41031 J. Approximation Theory 143, No. 1, 62-73 (2006). MSC: 41A60 46E35 PDFBibTeX XMLCite \textit{G. López Lagomasino} et al., J. Approx. Theory 143, No. 1, 62--73 (2006; Zbl 1106.41031) Full Text: DOI Link
López Lagomasino, G.; Pérez Izquierdo, I.; Pijeira Cabrera, H. Asymptotic of extremal polynomials in the complex plane. (English) Zbl 1084.30043 J. Approximation Theory 137, No. 2, 226-237 (2005). Reviewer: Francisco Perez Acosta (La Laguna) MSC: 30E15 41A60 PDFBibTeX XMLCite \textit{G. López Lagomasino} et al., J. Approx. Theory 137, No. 2, 226--237 (2005; Zbl 1084.30043) Full Text: DOI Link
Barrios Rolanía, D.; López Lagomasino, G.; Pijeira Cabrera, H. The moment problem for a Sobolev inner product. (English) Zbl 0980.44008 J. Approximation Theory 100, No. 2, 364-380 (1999). MSC: 44A60 PDFBibTeX XMLCite \textit{D. Barrios Rolanía} et al., J. Approx. Theory 100, No. 2, 364--380 (1999; Zbl 0980.44008) Full Text: DOI Link
López Lagomasino, G.; Pijeira Cabrera, H. Zero location and \(n\)th root asymptotics of Sobolev orthogonal polynomials. (English) Zbl 0949.42020 J. Approximation Theory 99, No. 1, 30-43 (1999). Reviewer: M.Idemen (İstanbul) MSC: 42C05 33C45 PDFBibTeX XMLCite \textit{G. López Lagomasino} and \textit{H. Pijeira Cabrera}, J. Approx. Theory 99, No. 1, 30--43 (1999; Zbl 0949.42020) Full Text: DOI