On the pointwise strong approximation by means
Tom 79 / 2008
Banach Center Publications 79 (2008), 113-117
MSC: Primary 42A24.
DOI: 10.4064/bc79-0-8
Streszczenie
We present an estimate of the ( C,1) ( E,1) -strong means with mixed powers of the Fourier series of a function f\in L_{2\pi } as a generalization of the result obtained by M. Yildrim and F. Karakus. Some corollaries on the norm approximation are also given.
