Baramidze, Davit; Blahota, István; Tephnadze, George; Toledo, Rodolfo Martingale Hardy spaces and some new weighted maximal operators of Fejér means of Walsh-Fourier series. (English) Zbl 1527.42040 J. Geom. Anal. 34, No. 1, Paper No. 3, 17 p. (2024). MSC: 42C10 42B30 42B25 PDFBibTeX XMLCite \textit{D. Baramidze} et al., J. Geom. Anal. 34, No. 1, Paper No. 3, 17 p. (2024; Zbl 1527.42040) Full Text: DOI OA License
Baramidze, D.; Tephnadze, G. Some new weak-(\(H_p-L_p\)) type inequalities for weighted maximal operators of Fejér means of Walsh-Fourier series. (English) Zbl 07794382 Acta Math. Hung. 171, No. 2, 267-283 (2023). MSC: 42C10 42B30 PDFBibTeX XMLCite \textit{D. Baramidze} and \textit{G. Tephnadze}, Acta Math. Hung. 171, No. 2, 267--283 (2023; Zbl 07794382) Full Text: DOI
Baramidze, Davit; Baramidze, Lasha; Perssson, Lars-Erik; Tephnadze, George Some new restricted maximal operators of Fejér means of Walsh-Fourier series. (English) Zbl 1532.42030 Banach J. Math. Anal. 17, No. 4, Paper No. 75, 20 p. (2023). Reviewer: Wilfredo Urbina (Chicago) MSC: 42C10 42B30 42B25 PDFBibTeX XMLCite \textit{D. Baramidze} et al., Banach J. Math. Anal. 17, No. 4, Paper No. 75, 20 p. (2023; Zbl 1532.42030) Full Text: DOI OA License
Tephnadze, George Martingale Hardy spaces and partial sums and Fejér means with respect to the one-dimensional Walsh-Fourier series. (English) Zbl 1522.42058 Mem. Differ. Equ. Math. Phys. 88, 109-158 (2023). MSC: 42C10 42B35 PDFBibTeX XMLCite \textit{G. Tephnadze}, Mem. Differ. Equ. Math. Phys. 88, 109--158 (2023; Zbl 1522.42058) Full Text: arXiv Link
Nagy, Károly; Salim, Mohamed On the maximal operators of weighted Marcinkiewicz type means of two-dimensional Walsh-Fourier series. (English) Zbl 1482.42071 Georgian Math. J. 29, No. 1, 71-82 (2022). MSC: 42C10 42B25 PDFBibTeX XMLCite \textit{K. Nagy} and \textit{M. Salim}, Georgian Math. J. 29, No. 1, 71--82 (2022; Zbl 1482.42071) Full Text: DOI
Persson, L.-E.; Tephnadze, G. A sharp boundedness result concerning some maximal operators of Vilenkin-Fejér means. (English) Zbl 1358.42023 Mediterr. J. Math. 13, No. 4, 1841-1853 (2016). Reviewer: Santiago Boza (Barcelona) MSC: 42C10 42B25 PDFBibTeX XMLCite \textit{L. E. Persson} and \textit{G. Tephnadze}, Mediterr. J. Math. 13, No. 4, 1841--1853 (2016; Zbl 1358.42023) Full Text: DOI arXiv
Tephnadze, Giorgi On the convergence of Fejér means of Walsh-Fourier series in the space \(H_p\). (English) Zbl 1358.42024 J. Contemp. Math. Anal., Armen. Acad. Sci. 51, No. 2, 90-102 (2016) and Izv. Nats. Akad. Nauk Armen., Mat. 51, No. 2, 54-70 (2016). Reviewer: Ferenc Weisz (Budapest) MSC: 42C10 60G42 PDFBibTeX XMLCite \textit{G. Tephnadze}, J. Contemp. Math. Anal., Armen. Acad. Sci. 51, No. 2, 90--102 (2016; Zbl 1358.42024) Full Text: DOI arXiv
Blahota, István; Persson, Lars-Erik; Tephnadze, Giorgi On the Nörlund means of Vilenkin-Fourier series. (English) Zbl 1374.42054 Czech. Math. J. 65, No. 4, 983-1002 (2015). Reviewer: Giorgi Oniani (Kutaisi) MSC: 42C10 42B25 42B30 PDFBibTeX XMLCite \textit{I. Blahota} et al., Czech. Math. J. 65, No. 4, 983--1002 (2015; Zbl 1374.42054) Full Text: DOI arXiv Link
Nagy, Károly; Tephnadze, George Approximation by Walsh-Marcinkiewicz means on the Hardy space \(H_{2/3}\). (English) Zbl 1311.42070 Kyoto J. Math. 54, No. 3, 641-652 (2014). Reviewer: Jeremy Wade (Pittsburg) MSC: 42C10 PDFBibTeX XMLCite \textit{K. Nagy} and \textit{G. Tephnadze}, Kyoto J. Math. 54, No. 3, 641--652 (2014; Zbl 1311.42070) Full Text: DOI Euclid
Nagy, Károly; Tephnadze, George Walsh-Marcinkiewicz means and Hardy spaces. (English) Zbl 1300.42003 Cent. Eur. J. Math. 12, No. 8, 1214-1228 (2014). Reviewer: Ferenc Weisz (Budapest) MSC: 42C10 43A75 42B30 PDFBibTeX XMLCite \textit{K. Nagy} and \textit{G. Tephnadze}, Cent. Eur. J. Math. 12, No. 8, 1214--1228 (2014; Zbl 1300.42003) Full Text: DOI OA License
Tephnadze, G. Strong convergence theorems for Walsh-Fejér means. (English) Zbl 1313.42086 Acta Math. Hung. 142, No. 1, 244-259 (2014). Reviewer: Alexei Lukashov (Istanbul) MSC: 42C10 PDFBibTeX XMLCite \textit{G. Tephnadze}, Acta Math. Hung. 142, No. 1, 244--259 (2014; Zbl 1313.42086) Full Text: DOI arXiv
Tephnadze, George On the maximal operators of Walsh-Kaczmarz-Fejér means. (English) Zbl 1299.42097 Period. Math. Hung. 67, No. 1, 33-45 (2013). Reviewer: Sergey S. Volosivets (Saratov) MSC: 42C10 43A75 43A15 PDFBibTeX XMLCite \textit{G. Tephnadze}, Period. Math. Hung. 67, No. 1, 33--45 (2013; Zbl 1299.42097) Full Text: DOI arXiv
Goginava, Ushangi; Nagy, Károly On the maximal operator of Walsh-Kaczmarz-Fejér means. (English) Zbl 1249.42011 Czech. Math. J. 61, No. 3, 673-686 (2011). MSC: 42C10 PDFBibTeX XMLCite \textit{U. Goginava} and \textit{K. Nagy}, Czech. Math. J. 61, No. 3, 673--686 (2011; Zbl 1249.42011) Full Text: DOI EuDML Link