Almost Everywhere Strong Summability of two-dimensional Walsh-Fourier Series
arXiv:1503.02202
Abstract
It is proved a BMO-estimation for quadratic partial sums of two-dimensional Walsh-Fourier series from which it is derived an almost everywhere exponential summability of quadratic partial sums of double Walsh-Fourier series.
arXiv commentarXiv admin note: substantial text overlap with arXiv:1310.8212