Some absolutely effective product methods.
Some footprints of Marcinkiewicz in summability theory
Four basic results of Marcinkiewicz are presented in summability theory. We show that setting out from these theorems many mathematicians have reached several nice results for trigonometric, Walsh- and Ciesielski-Fourier series.
Some inclusion theorems for absolute summability
Statistically strongly regular matrices and some core theorems.
Statistically -multiplicative matrices and some inequalities
Strong convergence.
Strong summability of Ciesielski-Fourier series
A strong summability result is proved for the Ciesielski-Fourier series of integrable functions. It is also shown that the strong maximal operator is of weak type (1,1).
Summability factors for generalized absolute Riesz summability I
Summability Factors for Lower-Semi-Matrix Transformations.
Summability factors involving Orlicz metrics