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A General Inclusion Theorem for l-l Nörlund Summability

Published online by Cambridge University Press:  20 November 2018

J. Defranza*
Affiliation:
Department of Mathematical and Computer Sciences, Youngstown State University, Youngstown Ohio44555
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Abstract

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Nӧrlund methods of summability are studied as mappings from I1 into I1. Conditions are given for an arbitrary l-l method to include a Nӧrlund method. In particular necessary and sufficient conditions are given for a row finite l-l method to include a Nӧrlund mean.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1982

References

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