Convexity Preserving Summability Matrices

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Abstract

The main result of this paper gives the necessary and sufficient conditions for the Abel matrices to preserve the convexity of sequences· Also, the higher orders of the Cesáro method are shown to be convexity-preserving matrices.

Original languageEnglish (US)
Pages (from-to)501-506
Number of pages6
JournalInternational Journal of Mathematics and Mathematical Sciences
Volume13
Issue number3
DOIs
StatePublished - 1990

All Science Journal Classification (ASJC) codes

  • Mathematics (miscellaneous)

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