journal-of-dynamical-systems-and-geometric-theories Journal of Dynamical Systems and Geometric Theories 2169-0057 1726-037X Taru Publications 10.1080/1726037X.2011.10698599 Observational Topological Fuzzy Subgroups Kashkooli A.I. Department of Mathematics, University of Yasouj, Yasouj, Iran Molaei Mohammad Reza Department of Mathematics, University of Kerman (Shahid Bahonar), Kerman, Iran 9 2 165 170 03 06 2013

In this paper relative topological fuzzy subgroups as an extension of topological fuzzy subgroups are considered. In fact topological fuzzy subgroups from the viewpoint of an observer are considered. Three methods for constructing relative topological fuzzy subgroups are presented.

 Relative topology Fuzzy subgroups Relative topological fuzzy subgroups access open retracted no