Ege O.Karaca I.2021-05-032021-05-0320190315-36810315-3681https://hdl.handle.net/11454/70801In this paper, we construct a cohomology structure for reflexive graphs. We also prove the Universal coefficient theorem for singular cohomology in graphs. We show that the Kiinneth theorem doesn't yield for graphs. © 2019 Utilitas Mathematica Publishing Inc.. All rights reserved.eninfo:eu-repo/semantics/closedAccessReflexive graphSingular cohomologyArticle1132192282-s2.0-85097073144Q4