Ferreyra, D. E.; Levis, F. E.; Roldán, M. V. A new approach to derivatives in \(L^2\)-spaces. (English) Zbl 1447.41012 Numer. Funct. Anal. Optim. 41, No. 10, 1272-1285 (2020). Reviewer: T.S.S.R.K. Rao (Bangalore) MSC: 41A50 26A24 41A10 43A15 PDFBibTeX XMLCite \textit{D. E. Ferreyra} et al., Numer. Funct. Anal. Optim. 41, No. 10, 1272--1285 (2020; Zbl 1447.41012) Full Text: DOI
Levis, Fabian Eduardo; Rodriguez, Claudia N. The best multipoint Padé approximant. (English) Zbl 1410.41008 Numer. Funct. Anal. Optim. 39, No. 14, 1495-1513 (2018). MSC: 41A21 41A30 PDFBibTeX XMLCite \textit{F. E. Levis} and \textit{C. N. Rodriguez}, Numer. Funct. Anal. Optim. 39, No. 14, 1495--1513 (2018; Zbl 1410.41008) Full Text: DOI
Ferreyra, D. E.; Levis, F. E. Best simultaneous local approximation in the \(L^p\) norms. (English) Zbl 1371.41022 Numer. Funct. Anal. Optim. 38, No. 6, 770-798 (2017). MSC: 41A28 41A10 PDFBibTeX XMLCite \textit{D. E. Ferreyra} and \textit{F. E. Levis}, Numer. Funct. Anal. Optim. 38, No. 6, 770--798 (2017; Zbl 1371.41022) Full Text: DOI
Cuenya, H. H.; Levis, F. E.; Priori, A. N. Best simultaneous \(L^p\)-approximation on small regions. (English) Zbl 1311.41016 Numer. Funct. Anal. Optim. 36, No. 1, 55-71 (2015). MSC: 41A28 41A10 PDFBibTeX XMLCite \textit{H. H. Cuenya} et al., Numer. Funct. Anal. Optim. 36, No. 1, 55--71 (2015; Zbl 1311.41016) Full Text: DOI
Levis, F. E.; Marano, M. Best simultaneous monotone approximants in Orlicz spaces. (English) Zbl 1266.41016 Numer. Funct. Anal. Optim. 34, No. 1, 16-35 (2013). Reviewer: Marcel G. de Bruin (Haarlem) MSC: 41A28 41A30 41A65 PDFBibTeX XMLCite \textit{F. E. Levis} and \textit{M. Marano}, Numer. Funct. Anal. Optim. 34, No. 1, 16--35 (2013; Zbl 1266.41016) Full Text: DOI
Cuenya, H.; Levis, F.; Marano, M.; Ridolfi, C. Best local approximation in Orlicz spaces. (English) Zbl 1238.41006 Numer. Funct. Anal. Optim. 32, No. 11, 1127-1145 (2011). MSC: 41A10 41A30 PDFBibTeX XMLCite \textit{H. Cuenya} et al., Numer. Funct. Anal. Optim. 32, No. 11, 1127--1145 (2011; Zbl 1238.41006) Full Text: DOI
Cuenya, H. H.; Levis, F. E.; Lorenzo, M. D. Best simultaneous approximation on small regions. (English) Zbl 1179.41017 Numer. Funct. Anal. Optim. 30, No. 3-4, 245-258 (2009). Reviewer: Sergey S. Volosivets (Saratov) MSC: 41A28 41A10 PDFBibTeX XMLCite \textit{H. H. Cuenya} et al., Numer. Funct. Anal. Optim. 30, No. 3--4, 245--258 (2009; Zbl 1179.41017) Full Text: DOI Link
Cuenya, H. H.; Levis, F. E. Pólya-type polynomial inequalities in \(L^p\) spaces and best local approximation. (English) Zbl 1092.41006 Numer. Funct. Anal. Optimization 26, No. 7-8, 813-827 (2005). Reviewer: László Leindler (Szeged) MSC: 41A17 26D07 41A50 PDFBibTeX XMLCite \textit{H. H. Cuenya} and \textit{F. E. Levis}, Numer. Funct. Anal. Optim. 26, No. 7--8, 813--827 (2005; Zbl 1092.41006) Full Text: DOI