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Classification of nonorientable regular embeddings of Hamming graphs
Graph embeddings regular embeddings regular map Hamming graphs
2011/9/9
Abstract: By a regular embedding of a graph K in a surface we mean a 2-cell embedding of K in a compact connected surface such that the automorphism group acts regularly on flags. In this paper, we cl...
The competition numbers of Hamming graphs with diameter at most three
Hamming graphs diameter
2010/11/18
The competition graph of a digraph D is a graph which has the same vertex set as D and has an edge between x and y if and only if there exists a vertex v in D such that (x,v) and (y,v) are arcs of D. ...