On inclusion relations for absolute summability
We obtain necessary and (different) sufficient conditions for a series summable |N¯,pn|k, 1<k≤s<∞, to imply that the series is summable |T|s, where (N¯,pn) is a weighted mean matrix and T is a lower triangular matrix. As corollaries of this result, we obtain several inclusion theorems.
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| Principais autores: | , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Wiley
2002-01-01
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| Serier: | International Journal of Mathematics and Mathematical Sciences |
| Online adgang: | http://dx.doi.org/10.1155/S0161171202012425 |
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