3 papers
math.GM2024
Approximation by means with respect to Vilenkin system in Lebesgue spaces and Lipschitz classes
N. Anakidze, N. Areshidze, L. -E. Persson +1
In this paper we present and prove some new results concerning approximation properties of means with respect to the Vilenkin system in Lebesgue spaces and Lipschitz classes fo…
math.CA2022
Some new results for subsequences of Nörlund logarithmic means of Walsh-Fourier series
D. Baramidze, L. -E. Persson, H. Singh +1
We prove that there exists a martingale such that the subsequence of Nörlund logarithmic means with respect to the Walsh system are not bounded in the L…
math.CA2018
Logarithmic means \dots]{On the Nörlund logarithmic means with respect to Vilenkin system in the martingale Hardy space
L. -E. Persson, G. Tephnadze, P. Wall
In this paper we prove and discuss a new divergence result of Nörlund logarithmic means with respect to Vilenkin system in Hardy space