I. Blahota

activity

20152026

most citedEqual partners do better in defensive alliances

9 citations · 15 across the 11 of their papers we have counts for

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math.CA2026

Almost everywhere convergence of subsequences of Walsh-Nörlund means

István Blahota

Let ${q_{k} : k \in N}$ be a non-increasing and convex sequence of non-negative numbers such that $q_{0} > 0$ . Our main result is to prove almost everywhere convergence \[ t_…

math.CA2026

The exact $L_{1}$ -norm supremum of Walsh--Kaczmarz--Fejér kernels

István Blahota

We study the $L_{1} (G)$ -norms of Fejér kernels for the Walsh--Kaczmarz system. In the Walsh--Paley case the identity \[ \|K^w_{2^n}\|_1=1 \qquad (n\in\mathbb N) \] follows directly f…

math.CA2026

Almost everywhere divergence of Cesaro means of subsequences of Walsh--Paley Fourier partial sums

Istvan Blahota, Gyorgy Gat

We prove an almost everywhere divergence theorem for Cesàro means of subsequences of partial sums of Walsh--Fourier series. More precisely, we show that there exists a strictly inc…

Almost everywhere convergence of subsequences of Walsh-Nörlund means

The exact L1​-norm supremum of Walsh--Kaczmarz--Fejér kernels

Almost everywhere divergence of Cesaro means of subsequences of Walsh--Paley Fourier partial sums

The exact $L_{1}$ -norm supremum of Walsh--Kaczmarz--Fejér kernels