Convexity Preserving Summability Matrices

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3 Scopus citations


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
Issue number3
StatePublished - 1990

All Science Journal Classification (ASJC) codes

  • Mathematics (miscellaneous)


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