Jarunee SoontharanonThanin Sitthiwirattham2025-03-102025-03-102020Advances in Difference Equations1687183910.1186/s13662-020-2512-72-s2.0-85077870001https://repository.dusit.ac.th//handle/123456789/4745In this paper, the new concepts of (p, q) -difference operators are introduced. The properties of fractional (p, q) -calculus in the sense of a (p, q) -difference operator are introduced and developed. © 2020, The Author(s).All Open Access; Gold Open Access(p, q) -calculusFractional (p, q) -differenceFractional (p, q) -integralOn fractional (p, q) -calculusArticleScopus