IJPAM: Volume 70, No. 6 (2011)
DEGREE OF APPROXIMATION OF
A FUNCTION BELONGING TO
CLASS BY PRODUCT MEANS
A FUNCTION BELONGING TO
CLASS BY PRODUCT MEANS
Hare Krishna Nigam, Kusum Sharma
Department of Mathematics
Faculty of Engineering and Technology
Mody Institute of Technology and Science
Deemed University
Laxmangarh, 332311, Sikar (Rajasthan), INDIA
Department of Mathematics
Faculty of Engineering and Technology
Mody Institute of Technology and Science
Deemed University
Laxmangarh, 332311, Sikar (Rajasthan), INDIA
Abstract. In this paper, a new theorem on degree of approximation of a function belonging to
class by product summability means of its Fourier series has been obtained.
Received: December 23, 2010
AMS Subject Classification: 42B05, 42B08
Key Words and Phrases: degree of approximation, class of function, summability, summability, product summability, Fourier series, Lebesgue integral
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Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395
Year: 2011
Volume: 70
Issue: 6