On special weak free (semi)hypergroups

Document Type : Research Paper

Authors

Department of Mathematics, Vali-e-Asr University of Rafsanjan, P.O.Box 7718685753, Rafsanjan, Iran

Abstract

In this paper, we study some properties of special weak free (semi)hypergroups and we generalize the Nielsen-Schreier theorem for the class of special weak free hypergroups.

Keywords