The Cesáro Core of Double Sequences

Kuddusi Kayaduman and Celal Çakan

Abstract and Applied Analysis, 2011, vol. 2011, 1-9

Abstract:

We have characterized a new type of core for double sequences, 𠑃 ð ¶ -core, and determined the necessary and sufficient conditions on a four-dimensional matrix ð ´ to yield 𠑃 ð ¶ -core { ð ´ ð ‘¥ } ⊆ ð ›¼ ( 𠑃 -core { ð ‘¥ } ) for all â„“ ∞ 2 .

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:950364

DOI: 10.1155/2011/950364

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