Hyers-Ulam types stability of nonlinear summation equations with delay

Document Type : Research Paper


Department of Mathematics, University of Peshawar, 25000, Pakistan


In this typescript, we study the existence and uniqueness for a class of nonlinear summation equation with delay. Furthermore, we present Hyers–Ulam stability(HUS), generalized Hyers–Ulam  stability(GHUS), Hyers–Ulam–Rassias stability(HURS) and generalized Hyers–Ulam–Rassias  stability(GHURS) of the mentioned equation by utilizing discrete Gr¨onwall lemma. We finalized our manuscript through examples to help our primary outcomes.


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Volume 12, Issue 2
November 2021
Pages 317-326
  • Receive Date: 08 July 2019
  • Accept Date: 11 November 2019