Homological and Combinatorial Methods in Algebra: SAA 4, Ardabil, Iran, August 2016

Preface.- Table of Contents.- b-symbol distance distribution of repeated-root cyclic codes (Hojjat Mostafanasab and Esra Sengelen Sevim).- Bhargava rings over subsets (I. Al-Rasasi and L. Izelgue).- On commutativity of Banach *-algebras with derivation (Mohammad Ashraf And Bilal Ahmad Wani).- An application of linear algebra to image compression (EL Asnaoui Khalid,Ouhda Mohamed, Aksasse Brahim and Ouanan Mohammed).- Intuitionistic fuzzy group with extended operations (S. Melliani, I. Bakhadach and L.S. Chadli).- Generalization of quasi-modular extensions (El Hassane Fliouet).- A class of nite 2-groups G with every automorphism xing G=(G) elementwise (Hossein Abdolzadeh and Reza Sabzchi).- Fuzzy rings and fuzzy polynomial rings (S. Melliani, I. Bakhadach and L.S. Chadli).- On (completely) weak* Rad--supplemented Modules (Manoj Kumar Patel).- When is Int(E;D) a locally free D-module (Lahoucine Izelgue and Ali Tamoussit).- Pairs of rings whose all intermediate rings are G-Rings (Lahoucine Izelgue and Omar Ouzzaouit).- Weakly nite conductor property in amalgamated algebra (Haitham El Alaoui).- Coherence in bi-amalgamated algebras along ideals (Mounir El Ouarrachi and Najib Mahdou).- On the set of intermediate Artinian subrings (Driss Karim).