Menegatto, V. A.; Oliveira, C. P. Positive definite functions on products via Fourier transforms: old and new. (English) Zbl 1490.42012 Numer. Funct. Anal. Optim. 43, No. 6, 631-649 (2022). MSC: 42A82 42A38 42A16 43A35 PDFBibTeX XMLCite \textit{V. A. Menegatto} and \textit{C. P. Oliveira}, Numer. Funct. Anal. Optim. 43, No. 6, 631--649 (2022; Zbl 1490.42012) Full Text: DOI
Azevedo, D.; Menegatto, V. A. Decay of singular values of power series kernels on the sphere. (English) Zbl 1358.45001 Numer. Funct. Anal. Optim. 37, No. 4, 440-458 (2016). Reviewer: Stig-Olof Londen (Aalto) MSC: 45C05 47A75 45P05 47G10 PDFBibTeX XMLCite \textit{D. Azevedo} and \textit{V. A. Menegatto}, Numer. Funct. Anal. Optim. 37, No. 4, 440--458 (2016; Zbl 1358.45001) Full Text: DOI
Jordão, T.; Menegatto, V. A. Reproducing properties of differentiable Mercer-like kernels on the sphere. (English) Zbl 1255.45001 Numer. Funct. Anal. Optim. 33, No. 10, 1221-1243 (2012). MSC: 45C05 42A82 45P05 43A35 41A99 PDFBibTeX XMLCite \textit{T. Jordão} and \textit{V. A. Menegatto}, Numer. Funct. Anal. Optim. 33, No. 10, 1221--1243 (2012; Zbl 1255.45001) Full Text: DOI
Menegatto, V. A.; Piantella, A. C. Old and new on the Laplace-Beltrami derivative. (English) Zbl 1222.33013 Numer. Funct. Anal. Optim. 32, No. 3, 309-341 (2011). Reviewer: Stefan G. Samko (Faro) MSC: 33C55 42A85 43A85 43A90 44A35 46G05 PDFBibTeX XMLCite \textit{V. A. Menegatto} and \textit{A. C. Piantella}, Numer. Funct. Anal. Optim. 32, No. 3, 309--341 (2011; Zbl 1222.33013) Full Text: DOI
Menegatto, V. A.; Piantella, A. C. Convergence for summation methods with multipliers on the sphere. (English) Zbl 1207.33018 Numer. Funct. Anal. Optim. 31, No. 6, 738-753 (2010). Reviewer: Valery V. Karachik (Chelyabinsk) MSC: 33C55 41A25 42A16 42A85 43A90 44A35 PDFBibTeX XMLCite \textit{V. A. Menegatto} and \textit{A. C. Piantella}, Numer. Funct. Anal. Optim. 31, No. 6, 738--753 (2010; Zbl 1207.33018) Full Text: DOI
Menegatto, V. A. Approximation by spherical convolution. (English) Zbl 0895.41014 Numer. Funct. Anal. Optimization 18, No. 9-10, 995-1012 (1997). Reviewer: G.D.Dikshit (Auckland) MSC: 41A30 41A35 42A85 42C10 PDFBibTeX XMLCite \textit{V. A. Menegatto}, Numer. Funct. Anal. Optim. 18, No. 9--10, 995--1012 (1997; Zbl 0895.41014) Full Text: DOI
Menegatto, V. A.; Peron, A. P. Generalized interpolation on spheres using positive definite and related functions. (English) Zbl 0913.42008 Numer. Funct. Anal. Optimization 18, No. 1-2, 189-200 (1997). Reviewer: R.Lasser (Lübeck) MSC: 42A82 PDFBibTeX XMLCite \textit{V. A. Menegatto} and \textit{A. P. Peron}, Numer. Funct. Anal. Optim. 18, No. 1--2, 189--200 (1997; Zbl 0913.42008) Full Text: DOI