Title Classification pseudosymmetric (, μ)-contact metric manifolds Type of Research Presentation Keywords Pseudosymmetric, Semisymmetric, (, μ)-nullity distribution, Contact manifold Abstract This paper deals with a classification of the pseudosymmetric contact metric manifolds under the condition that the characteristic vector field belong to the (, μ)- nullity distribution in the R. Deszcz sense. Researchers Nasrin Malekzadeh (First Researcher)، Esmaiel Abedi (Second Researcher)