Birou, Marius-Mihai A note on the remainder in the approximation of functions by some positive linear operators. (41A55.) (English) Zbl 1527.41005 Positivity 27, No. 5, Paper No. 61, 15 p. (2023). MSC: 41A36 41A25 41A55 41A80 PDFBibTeX XMLCite \textit{M.-M. Birou}, Positivity 27, No. 5, Paper No. 61, 15 p. (2023; Zbl 1527.41005) Full Text: DOI OA License
Blair, Jerome; Luttman, Aaron; Machorro, Eric A generalized Peano kernel theorem for distributions of exponential decay. (English) Zbl 1325.46041 J. Math. Anal. Appl. 433, No. 1, 622-641 (2016). MSC: 46F05 41A55 65D30 PDFBibTeX XMLCite \textit{J. Blair} et al., J. Math. Anal. Appl. 433, No. 1, 622--641 (2016; Zbl 1325.46041) Full Text: DOI
Waldron, Shayne Increasing the polynomial reproduction of a quasi-interpolation operator. (English) Zbl 1181.41009 J. Approx. Theory 161, No. 1, 114-126 (2009). Reviewer: Gabriel Larotonda (Buenos Aires) MSC: 41A10 41A05 47A57 PDFBibTeX XMLCite \textit{S. Waldron}, J. Approx. Theory 161, No. 1, 114--126 (2009; Zbl 1181.41009) Full Text: DOI
Diethelm, Kai A fractional version of the Peano-Sard theorem. (English) Zbl 0892.41018 Numer. Funct. Anal. Optimization 18, No. 7-8, 745-757 (1997). Reviewer: W.Moldenhauer (Erfurt) MSC: 41A80 41A35 26A33 PDFBibTeX XMLCite \textit{K. Diethelm}, Numer. Funct. Anal. Optim. 18, No. 7--8, 745--757 (1997; Zbl 0892.41018) Full Text: DOI
De Marchi, Stefano; Vianello, Marco Peano’s kernel theorem for vector-valued functions: A weak version in normed spaces. (English) Zbl 0874.41014 Numer. Funct. Anal. Optimization 18, No. 1-2, 65-74 (1997). Reviewer: K.Najzar (Praha) MSC: 41A65 41A80 65J05 PDFBibTeX XMLCite \textit{S. De Marchi} and \textit{M. Vianello}, Numer. Funct. Anal. Optim. 18, No. 1--2, 65--74 (1997; Zbl 0874.41014) Full Text: DOI