Abstract
In this paper we define and characterize the class $(V_{2}^{\sigma},V_{2}^{\sigma})$ and establish a core theorem, where $V_{2}^{\sigma}$ is the space of $\sigma$-convergent double sequences $x = (x_{jk})$. We further determine a Tauberian condition for core inclusion and core equivalence.
Citation
M. Mursaleen. S. A. Mohiuddine. "INVARIANT MEAN AND SOME CORE THEOREMS FOR DOUBLE SEQUENCES." Taiwanese J. Math. 14 (1) 21 - 33, 2010. https://doi.org/10.11650/twjm/1500405725
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