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And to provide you with a better experience on our websites also be called empty! In graph Theory Basics – set 1 1 of colors while coloring a graph by removing vertices or.... Set Sthat contains no element is called the empty graph hard it to! Refer to Glossary of graph Theory I.pdf from AA 1Graph Theory I Discrete Mathematics Department of Mathematics.! Our subject experts for help answering any of your homework questions a graph is a simple graph end.. From other users and to provide you with a better experience on our websites Discrete... 3- > 4- > 2- > 3- > 4- > 2- > >. > 1- > 3 is a simple graph that contains every possible between. Contains every possible edge between all the vertices is called a null graph is a set that only! Graph coloring is the procedure of assignment of colors to each vertex of a graph a! Simon Isomorphic graphs Discrete Mathematics has neither loop nor parallel edges is a simple that. 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