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   A Ε-Projectively Flat Connection on Kenmotsu Manifolds  
   
نویسنده Pirhadi Vahid
منبع Mathematical Analysis And Convex Optimization - 2020 - دوره : 1 - شماره : 1 - صفحه:7 -14
چکیده    In this paper, we introduce a semi-symmetric non-metric connection on ε- kenmotsu manifolds that changes an ε-kenmotsu manifold into an einstein manifold. next, we consider an especial version of this connection and show that every kenmotsu manifold is ε-projectively flat with respect to this connection. also, we prove that if the kenmotsu manifold m is a ε-concircular flat with respect to the new connection, then m is necessarily of zero scalar curvature. then, we review the sense of ε-conformally flat on kenmotsu manifolds and show that a ε-conformally flat kenmotsu manifold with respect to the new connection is an ε-einstein with respect to the levi-civita connection. finally, we prove that there is no ε-conharmonically flat kenmotsu manifold with respect to this connection.
کلیدواژه Kenmotsu Manifold ,Ε-Einstein Manifold ,Ε-Concircular Flat Manifold ,Ε-Conformally Flat Manifold ,Ε-Conharmonically Flat Manifold ,Ε-Projectively Flat Manifold
آدرس University Of Kashan, Faculty Of Mathematical Sciences, Iran
پست الکترونیکی v.pirhadi@aut.ac.ir;v.pirhadi@kashanu.ac.ir
 
     
   
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