title: The homomorphisms and operations of rough groups.
abstract: Based on the light relation between a normal subgroup and a complete congruence relation of a group, we consider the homomorphism problem of rough groups and rough quotient groups and investigate their operational properties. Some new results are obtained.
authors.affiliation: Department of Mathematics, Beijing Forestry University, Beijing 100083, China.
authors.forename: Fei
authors.initials: F
authors.lastname: Li
authors.affiliation: Department of Mathematics, Kunming Institute of Technology, Kunming, Yunnan 650000, China.
authors.forename: Zhenliang
authors.initials: Z
authors.lastname: Zhang
mesh_terms: D008962:Models, Theoretical