INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, vol.33, no.7, pp.1003-1009, 2002 (Journal Indexed in SCI)
Article / Article
Title of Journal :
INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS
We obtain necessary conditions for a lower triangular matrix to have the property that Sigma a(n) lambda(n) is summable \ T \(k) whenever the series Sigma a(n) is bounded \ T \(k).