Anastassiou, George A.; Mezei, Razvan A. General theory of global smoothness and approximation by smooth singular operators. (English) Zbl 1225.41005 Math. Comput. Modelling 54, No. 1-2, 344-358 (2011). MSC: 41A28 41A17 45P05 42B20 PDFBibTeX XMLCite \textit{G. A. Anastassiou} and \textit{R. A. Mezei}, Math. Comput. Modelling 54, No. 1--2, 344--358 (2011; Zbl 1225.41005) Full Text: DOI
Anastassiou, George A.; Mezei, Razvan A. Global smoothness and uniform convergence of smooth Gauss-Weierstrass singular operators. (English) Zbl 1185.42016 Math. Comput. Modelling 50, No. 7-8, 984-998 (2009). MSC: 42B25 41A28 PDFBibTeX XMLCite \textit{G. A. Anastassiou} and \textit{R. A. Mezei}, Math. Comput. Modelling 50, No. 7--8, 984--998 (2009; Zbl 1185.42016) Full Text: DOI
Anastassiou, George A.; Mezei, Razvan A. Global smoothness and uniform convergence of smooth Poisson-Cauchy type singular operators. (English) Zbl 1381.42028 Appl. Math. Comput. 215, No. 5, 1718-1731 (2009). MSC: 42B25 42B30 PDFBibTeX XMLCite \textit{G. A. Anastassiou} and \textit{R. A. Mezei}, Appl. Math. Comput. 215, No. 5, 1718--1731 (2009; Zbl 1381.42028) Full Text: DOI