SIFAT-SIFAT GRAF (2n)
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A sequence of non negative integers d = (d1, d2, …, dn) is said a sequence of graphic if it is the degree sequence of a simple graph G. In this case, graph G is called realization for d. The set of all realizations of non isomorfic 2-regular graph with order n (n ≥ 3) is denoted R(2n), whereas a graph with R(2n) as set of their vertices is denoted (2n) . Two vertices in graph (2n) are called adjacent if one of these vertices can be derived from the other by switching. In the present paper, we prove that for n ≥ 6, (2n) is a connected and bipartite graph.