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On Group-Magic Eulerian Graphs

Richard M. Low1, Sin-Min Lee2
1Department of Mathematics San Jose State University San Jose, CA 95192
2Department of Computer Science San Jose State University San Jose, CA 95192

Abstract

Let A be an abelian group. We call a graph G=(V,E) A-magic if there exists a labeling f:E(G)A such that the induced vertex set labeling f+:V(G)A, defined by f+(v)=(u,v)E(G)f(u,v), is a constant map. In this paper, we present some algebraic properties of A-magic graphs. Using them, various results are obtained for group-magic eulerian graphs.