BMO-estimation and Almost Everywhere Exponential Summability of Quadratic Partial Sums of Double Fourier Series

Autor: Goginava, U., Gogoladze, L., Karagulyan, G.
Rok vydání: 2013
Předmět:
Zdroj: Constr. Approx. 40 (2014), no. 1, 105-120
Druh dokumentu: Working Paper
DOI: 10.1007/s00365-014-9234-6
Popis: 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.
Databáze: arXiv