2000 character limit reached
BMO-estimation and Almost Everywhere Exponential Summability of Quadratic Partial Sums of Double Fourier Series (1303.0364v3)
Published 2 Mar 2013 in math.AP
Abstract: It is proved a $BMO$-estimation for quadratic partial sums of two-dimensional Fourier series from which it is derived an almost everywhere exponential summability of quadratic partial sums of double Fourier series.