International Journal of Mathematics and Mathematical Sciences
Volume 8 (1985), Issue 2, Pages 367-372
doi:10.1155/S0161171285000382

On the strong matrix summability of derived Fourier series

K.N. Mishra and R.S.L. Srivastava

Department of Mathematics, Indian Institute of Technology, Kanpur 208016, India

Abstract

Strong summability with respect to a triangular matrix has been defined and applied to derived Fourier series yielding a result which extends some known results under a general criterion