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Multigraph decomposition into multigraphs with two underlying edges

Abstract : Due to some intractability considerations, reasonable formulation of necessary and sufficient conditions for decomposability of a general multigraph G into a fixed connected multigraph H, is probably not feasible if the underlying simple graph of H has three or more edges. We study the case where H consists of two underlying edges. We present necessary and sufficient conditions for H-decomposability of G, which hold when certain size parameters of G lies within some bounds which depends on the multiplicities of the two edges of H. We also show this result to be "tight" in the sense that even a slight deviation of these size parameters from the given bounds results intractability of the corresponding decision problem.
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Miri Priesler, Michael Tarsi. Multigraph decomposition into multigraphs with two underlying edges. 2005 European Conference on Combinatorics, Graph Theory and Applications (EuroComb '05), 2005, Berlin, Germany. pp.231-234, ⟨10.46298/dmtcs.3405⟩. ⟨hal-01184362⟩



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