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Homologies of path complexes and digraphs

Published 12 Jul 2012 in math.CO and math.AT | (1207.2834v4)

Abstract: In this paper we introduce a path complex that can be regarded as a generalization of the notion of a simplicial complex. The main motivation for considering path complexes comes from directed graphs(digraphs). We obtain a new notion of the path homology and cohomology of a digraph.

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