ACTA issues

On the generalization of strong summability of double Fourier series

Włodzimierz Łenski

Acta Sci. Math. (Szeged) 60:3-4(1995), 515-526

Abstract. The approximation in the strong sense of continuous functions by the subsequences of the triangular partial sums of their Fourier series are investigated. The strong means are constructed by a sum function instead of the power function.

AMS Subject Classification (1991): 42B08

Received September 13, 1994. (Registered under 5648/2009.)