A generalization of Villarreal's result for unmixed tripartite graphs
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Abstract:
In this paper we give a characterization of unmixed tripartite graphs under certain conditions which is a generalization of a result of Villarreal on bipartite graphs. For bipartite graphs two different characterizations were given by Ravindra and Villarreal. We show that these two characterizations imply each other.
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Journal title
volume 40 issue 6
pages 1505- 1514
publication date 2014-12-01
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