A generalization of a theorem of Tatchell

Singh, Niranjan

doi:10.1090/S0002-9939-1978-0487556-6

A generalization of a theorem of Tatchell
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by Niranjan Singh PDF

Proc. Amer. Math. Soc. 70 (1978), 49-56 Request permission

Abstract:

Necessary and sufficient conditions for $\Sigma {a_n}{\varepsilon _n}$ to be summable $|A,{\lambda _n}|$, whenever $\Sigma {a_n}$ is convergent, have been obtained. The sufficiency part of this result has also been improved.

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