Fejzullahu, B. Xh.; Marcellán, F.; Moreno-Balcázar, J. J. Jacobi-Sobolev orthogonal polynomials: asymptotics and a Cohen type inequality. (English) Zbl 1283.33006 J. Approx. Theory 170, 78-93 (2013). Reviewer: Marcel G. de Bruin (Haarlem) MSC: 33C45 42C05 PDFBibTeX XMLCite \textit{B. Xh. Fejzullahu} et al., J. Approx. Theory 170, 78--93 (2013; Zbl 1283.33006) Full Text: DOI
Fejzullahu, Bujar Xh. A Cohen type inequality for Fourier expansions of orthogonal polynomials with a non-discrete Gegenbauer-Sobolev inner product. (English) Zbl 1210.42042 Math. Nachr. 284, No. 2-3, 240-254 (2011). Reviewer: Chrysoula G. Kokologiannaki (Patras) MSC: 42C05 42C10 33C45 PDFBibTeX XMLCite \textit{B. Xh. Fejzullahu}, Math. Nachr. 284, No. 2--3, 240--254 (2011; Zbl 1210.42042) Full Text: DOI
Fejzullahu, Bujar Xh.; Marcellán, Francisco A Cohen type inequality for Fourier expansions of orthogonal polynomials with a nondiscrete Jacobi-Sobolev inner product. (English) Zbl 1207.42022 J. Inequal. Appl. 2010, Article ID 128746, 22 p. (2010). MSC: 42C05 33C45 PDFBibTeX XMLCite \textit{B. Xh. Fejzullahu} and \textit{F. Marcellán}, J. Inequal. Appl. 2010, Article ID 128746, 22 p. (2010; Zbl 1207.42022) Full Text: DOI EuDML
Fejzullahu, Bujar Xh. Asymptotic properties and Fourier expansions of orthogonal polynomials with a non-discrete Gegenbauer-Sobolev inner product. (English) Zbl 1190.33014 J. Approx. Theory 162, No. 2, 397-406 (2010). Reviewer: Alicia Cachafeiro López (Vigo) MSC: 33C45 42C05 33C47 PDFBibTeX XMLCite \textit{B. Xh. Fejzullahu}, J. Approx. Theory 162, No. 2, 397--406 (2010; Zbl 1190.33014) Full Text: DOI