The Cesáro Core of Double Sequences

Kuddusi Kayaduman and Celal Çakan

Abstract and Applied Analysis, 2011, vol. 2011, issue 1

Abstract: We have characterized a new type of core for double sequences, PC‐core, and determined the necessary and sufficient conditions on a four‐dimensional matrix A to yield PC‐core{Ax}⊆α(P‐core{x}) for all ℓ2∞.

Date: 2011
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https://doi.org/10.1155/2011/950364

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlaaa:v:2011:y:2011:i:1:n:950364

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