Ciaurri, Ó.; Mínguez Ceniceros, J.; Rodríguez, J. M. On convergence of Fourier series in discrete Jacobi-Sobolev spaces. (English) Zbl 1519.42007 Integral Transforms Spec. Funct. 34, No. 9, 703-720 (2023). Reviewer: Sorin Gheorghe Gal (Oradea) MSC: 42A20 33C47 46E35 PDFBibTeX XMLCite \textit{Ó. Ciaurri} et al., Integral Transforms Spec. Funct. 34, No. 9, 703--720 (2023; Zbl 1519.42007) Full Text: DOI
Marcellán, Francisco; Quintana, Yamilet; Rodríguez, José M. Weighted Sobolev spaces: Markov-type inequalities and duality. (English) Zbl 1404.33009 Bull. Math. Sci. 8, No. 2, 233-256 (2018). Reviewer: Alexei Lukashov (Saratov) MSC: 33C45 41A17 26C99 PDFBibTeX XMLCite \textit{F. Marcellán} et al., Bull. Math. Sci. 8, No. 2, 233--256 (2018; Zbl 1404.33009) Full Text: DOI
Rodríguez, José M. Zeros of Sobolev orthogonal polynomials via Muckenhoupt inequality with three measures. (English) Zbl 1334.41011 Acta Appl. Math. 142, No. 1, 9-37 (2016). MSC: 41A10 46E35 PDFBibTeX XMLCite \textit{J. M. Rodríguez}, Acta Appl. Math. 142, No. 1, 9--37 (2016; Zbl 1334.41011) Full Text: DOI
Quintana, Yamilet; Rodríguez, José M. Measurable diagonalization of positive definite matrices. (English) Zbl 1311.41004 J. Approx. Theory 185, 91-97 (2014). Reviewer: Bilal Bilalov (Baku) MSC: 41A10 46E35 46G10 PDFBibTeX XMLCite \textit{Y. Quintana} and \textit{J. M. Rodríguez}, J. Approx. Theory 185, 91--97 (2014; Zbl 1311.41004) Full Text: DOI
Colorado, E.; Pestana, D.; Rodríguez, J. M.; Romera, E. Muckenhoupt inequality with three measures and applications to Sobolev orthogonal polynomials. (English) Zbl 1316.42031 J. Math. Anal. Appl. 407, No. 2, 369-386 (2013). Reviewer: Alicia Cachafeiro López (Vigo) MSC: 42C05 42B25 46E35 PDFBibTeX XMLCite \textit{E. Colorado} et al., J. Math. Anal. Appl. 407, No. 2, 369--386 (2013; Zbl 1316.42031) Full Text: DOI arXiv
Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva Concerning asymptotic behavior for extremal polynomials associated to nondiagonal Sobolev norms. (English) Zbl 1267.41008 J. Funct. Spaces Appl. 2013, Article ID 628031, 11 p. (2013). MSC: 41A10 41A60 PDFBibTeX XMLCite \textit{A. Portilla} et al., J. Funct. Spaces Appl. 2013, Article ID 628031, 11 p. (2013; Zbl 1267.41008) Full Text: DOI
Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva Zero location and asymptotic behavior for extremal polynomials with non-diagonal Sobolev norms. (English) Zbl 1225.33012 J. Approx. Theory 162, No. 12, 2225-2242 (2010). Reviewer: Lizhong Peng (Beijing) MSC: 33C47 42C05 33D45 PDFBibTeX XMLCite \textit{A. Portilla} et al., J. Approx. Theory 162, No. 12, 2225--2242 (2010; Zbl 1225.33012) Full Text: DOI
Portilla, Ana; Rodríguez, José M.; Tourís, Eva The multiplication operator, zero location and asymptotic for non-diagonal Sobolev norms. (English) Zbl 1200.33015 Acta Appl. Math. 111, No. 2, 205-218 (2010). Reviewer: Jacek Gilewicz (Marseille) MSC: 33C47 26C10 PDFBibTeX XMLCite \textit{A. Portilla} et al., Acta Appl. Math. 111, No. 2, 205--218 (2010; Zbl 1200.33015) Full Text: DOI Link
Rodriguez, Jose M.; Sigarreta, Jose M. Sobolev spaces with respect to measures in curves and zeros of Sobolev orthogonal polynomials. (English) Zbl 1169.41002 Acta Appl. Math. 104, No. 3, 325-353 (2008). Reviewer: Zoltán Finta (Cluj-Napoca) MSC: 41A10 46E35 46G10 PDFBibTeX XMLCite \textit{J. M. Rodriguez} and \textit{J. M. Sigarreta}, Acta Appl. Math. 104, No. 3, 325--353 (2008; Zbl 1169.41002) Full Text: DOI arXiv
Rodriguez, Jose M. A simple characterization of weighted Sobolev spaces with bounded multiplication operator. (English) Zbl 1221.41007 J. Approx. Theory 153, No. 1, 53-72 (2008). Reviewer: Jesus Illán González (Vigo) MSC: 41A10 46E35 46G10 PDFBibTeX XMLCite \textit{J. M. Rodriguez}, J. Approx. Theory 153, No. 1, 53--72 (2008; Zbl 1221.41007) Full Text: DOI
Portilla, Ana; Quintana, Yamilet; Rodriguez, José M.; Touris, Eva Weierstrass’s theorem in weighted Sobolev spaces with \(k\) derivatives. (English) Zbl 1177.41007 Rocky Mt. J. Math. 37, No. 6, 1989-2024 (2007). Reviewer: Peter Lappan (East Lansing) MSC: 41A10 46E35 46G10 PDFBibTeX XMLCite \textit{A. Portilla} et al., Rocky Mt. J. Math. 37, No. 6, 1989--2024 (2007; Zbl 1177.41007) Full Text: DOI Euclid
Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva Weighted Weierstrass’ theorem with first derivatives. (English) Zbl 1221.46028 J. Math. Anal. Appl. 334, No. 2, 1167-1198 (2007). Reviewer: Delfina Roux (Milano) MSC: 46E30 46E35 PDFBibTeX XMLCite \textit{A. Portilla} et al., J. Math. Anal. Appl. 334, No. 2, 1167--1198 (2007; Zbl 1221.46028) Full Text: DOI Link
Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva Weierstrass’ theorem with weights. (English) Zbl 1045.41005 J. Approximation Theory 127, No. 1, 83-107 (2004). Reviewer: Ganesh Datta Dikshit (Auckland) MSC: 41A10 41A28 41A30 PDFBibTeX XMLCite \textit{A. Portilla} et al., J. Approx. Theory 127, No. 1, 83--107 (2004; Zbl 1045.41005) Full Text: DOI Link
Rodríguez, José M. Approximation by polynomials and smooth functions in Sobolev spaces with respect to measures. (English) Zbl 1014.41007 J. Approximation Theory 120, No. 2, 185-216 (2003). Reviewer: K.Malyutin (Sumy) MSC: 41A10 PDFBibTeX XMLCite \textit{J. M. Rodríguez}, J. Approx. Theory 120, No. 2, 185--216 (2003; Zbl 1014.41007) Full Text: DOI
Alvarez, Venancio; Pestana, Domingo; Rodríguez, José M.; Romera, Elena Weighted Sobolev spaces on curves. (English) Zbl 1019.46026 J. Approximation Theory 119, No. 1, 41-85 (2002). Reviewer: Joan Cerdà (Barcelona) MSC: 46E35 42B35 PDFBibTeX XMLCite \textit{V. Alvarez} et al., J. Approx. Theory 119, No. 1, 41--85 (2002; Zbl 1019.46026) Full Text: DOI Link
Rodríguez, José M. The multiplication operator in Sobolev spaces with respect to measures. (English) Zbl 1014.42020 J. Approximation Theory 109, No. 2, 157-197 (2001). Reviewer: Walter Van Assche (Leuven) MSC: 42C05 46E35 PDFBibTeX XMLCite \textit{J. M. Rodríguez}, J. Approx. Theory 109, No. 2, 157--197 (2001; Zbl 1014.42020) Full Text: DOI
Rodríguez, José M. Weierstrass’ theorem in weighted Sobolev spaces. (English) Zbl 0978.41005 J. Approximation Theory 108, No. 2, 119-160 (2001). Reviewer: Renato Alvarez-Nodarse (Sevilla) MSC: 41A10 46E35 PDFBibTeX XMLCite \textit{J. M. Rodríguez}, J. Approx. Theory 108, No. 2, 119--160 (2001; Zbl 0978.41005) Full Text: DOI