Obermaier, J. The Pełczyński and Dunford-Pettis properties of the space of uniform convergent Fourier series with respect to orthogonal polynomials. (English) Zbl 1478.46010 Colloq. Math. 164, No. 1, 1-9 (2021). MSC: 46B03 46E15 42C05 42C10 PDFBibTeX XMLCite \textit{J. Obermaier}, Colloq. Math. 164, No. 1, 1--9 (2021; Zbl 1478.46010) Full Text: DOI
Obermaier, Josef On convergence and absolute convergence of Fourier series with respect to orthogonal polynomials. (English) Zbl 1410.42004 Bull. Math. Anal. Appl. 7, No. 4, 1-10 (2015). MSC: 42A20 42C10 PDFBibTeX XMLCite \textit{J. Obermaier}, Bull. Math. Anal. Appl. 7, No. 4, 1--10 (2015; Zbl 1410.42004) Full Text: Link
Obermaier, Josef A modified Fejér and Jackson summability method with respect to orthogonal polynomials. (English) Zbl 1225.42018 J. Approx. Theory 163, No. 4, 554-567 (2011). Reviewer: H.-J. Glaeske (Jena) MSC: 42C05 33C45 40G99 PDFBibTeX XMLCite \textit{J. Obermaier}, J. Approx. Theory 163, No. 4, 554--567 (2011; Zbl 1225.42018) Full Text: DOI
Obermaier, Josef; Szwarc, Ryszard Nonnegative linearization for little \(q\)-Laguerre polynomials and Faber basis. (English) Zbl 1111.33007 J. Comput. Appl. Math. 199, No. 1, 89-94 (2007). Reviewer: Renato Alvarez-Nodarse (Sevilla) MSC: 33D45 PDFBibTeX XMLCite \textit{J. Obermaier} and \textit{R. Szwarc}, J. Comput. Appl. Math. 199, No. 1, 89--94 (2007; Zbl 1111.33007) Full Text: DOI
Obermaier, Josef A continuous function space with a Faber basis. (English) Zbl 1070.33019 J. Approximation Theory 125, No. 2, 303-312 (2003). MSC: 33D80 42B35 46B15 PDFBibTeX XMLCite \textit{J. Obermaier}, J. Approx. Theory 125, No. 2, 303--312 (2003; Zbl 1070.33019) Full Text: DOI
Lasser, Rupert; Obermaier, Josef Selective approximate identities for orthogonal polynomial sequences. (English) Zbl 1034.42024 J. Math. Anal. Appl. 279, No. 1, 339-349 (2003). Reviewer: Marcel G. de Bruin (Delft) MSC: 42C05 42C10 PDFBibTeX XMLCite \textit{R. Lasser} and \textit{J. Obermaier}, J. Math. Anal. Appl. 279, No. 1, 339--349 (2003; Zbl 1034.42024) Full Text: DOI