Thongchai DumrongpokaphanNichaphat PatanarapeelertThanin Sitthiwirattham2025-03-102025-03-102021Symmetry2073899410.3390/sym131223032-s2.0-85121562700https://repository.dusit.ac.th//handle/123456789/4718In this article, we present a nonlocal Neumann boundary value problems for separate sequential fractional symmetric Hahn integrodifference equation. The problem contains five fractional symmetric Hahn difference operators and one fractional symmetric Hahn integral of different orders. We employ Banach fixed point theorem and SchauderÕs fixed point theorem to study the existence results of the problem. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.All Open Access; Gold Open AccessExistenceFractional symmetric Hahn integralNeumann boundary value problemsRiemann-Liouville fractional symmetric Hahn differenceArticleScopus