A note on the arithmetic means of Fourier coefficients. (English) Zbl 0749.42004
Summary: The aim of this note is to obtain a generalization of the theorem of R. S. Khan and S. Ansari [Acta Cienc. Indica 11, 148-153 (1985; Zbl 0618.42002)] in \(L_ q\) concerning the arithmetic means of Fourier coefficients.
MSC:
42A16 | Fourier coefficients, Fourier series of functions with special properties, special Fourier series |