List of Articles Regular Open Access Article Abstract Page Full-Text 1 - Characterization of Regularity of Posemigroups by High-Quasi-Ideals Mohammadmahdi Shamivand 20.1001.1.25382217.2022.16.2.4.2 Open Access Article Abstract Page Full-Text 2 - Essential Norm of Composition Operator as a Mapping on Weighted Bergman Space with Regular Weight Shayesteh Rezaei 20.1001.1.25382217.2022.16.2.5.3 Open Access Article Abstract Page Full-Text 3 - Bifurcation Problem for Biharmonic Asymptotically Linear Elliptic Equations Makkia Dammak Majdi El Ghord Open Access Article Abstract Page Full-Text 4 - A numerical approach for solving a nonlinear inverse diusion problem by Tikhonov regularization H. Molhem R. Pourgholi M. Borghei