Świderski, Grzegorz; Trojan, Bartosz About essential spectra of unbounded Jacobi matrices. (English) Zbl 1497.47052 J. Approx. Theory 278, Article ID 105746, 47 p. (2022). MSC: 47B36 42C05 39A22 PDFBibTeX XMLCite \textit{G. Świderski} and \textit{B. Trojan}, J. Approx. Theory 278, Article ID 105746, 47 p. (2022; Zbl 1497.47052) Full Text: DOI arXiv
Tlas, T. Bump functions with monotone Fourier transforms satisfying decay bounds. (English) Zbl 07509390 J. Approx. Theory 278, Article ID 105742, 6 p. (2022). MSC: 42A38 41-XX PDFBibTeX XMLCite \textit{T. Tlas}, J. Approx. Theory 278, Article ID 105742, 6 p. (2022; Zbl 07509390) Full Text: DOI arXiv
Bejancu, Aurelian Uniformly bounded Lebesgue constants for scaled cardinal interpolation with Matérn kernels. (English) Zbl 1509.41003 J. Approx. Theory 278, Article ID 105740, 18 p. (2022). Reviewer: Mehmet Küçükaslan (Mersin) MSC: 41A05 41A25 41A63 PDFBibTeX XMLCite \textit{A. Bejancu}, J. Approx. Theory 278, Article ID 105740, 18 p. (2022; Zbl 1509.41003) Full Text: DOI arXiv
Yattselev, Maxim L. On \(L_{\mathbb{R}}^2\)-best rational approximants to Markov functions on several intervals. (English) Zbl 1505.41003 J. Approx. Theory 278, Article ID 105738, 24 p. (2022). Reviewer: Adhemar Bultheel (Leuven) MSC: 41A21 30E10 PDFBibTeX XMLCite \textit{M. L. Yattselev}, J. Approx. Theory 278, Article ID 105738, 24 p. (2022; Zbl 1505.41003) Full Text: DOI arXiv