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Best constant in Hyers-Ulam stability of some functional equations


Dorian PopaIoan Rața


Abstract

carpathian_2014_30_3_383_386_abstract

We obtain the infimum of Hyers-Ulam constants for Cauchy, Jensen and Quadratic functional equations. Moreover, in each case the infimum is itself a Hyers-Ulam constant.

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Author(s)

Popa, Dorian, Rața, Ioan