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Automorphisms and quotients of 2-colored quasi best match graphsAnnachiara Korchmaros, 2026, original scientific article
Abstract: 2-colored quasi best match graphs (2-qBMGs) are directed graphs that arose in evolution theory. Investigations of 2-qBMGs have mostly focused on computational issues. However, 2-qBMGs also have relevant properties for structural graph theory; in particular, their undirected underlying graph is free from induced paths and cycles of size at least 6. In this paper, results on the structure of the automorphism groups of 2-qBMGs are obtained, which shows how to construct 2-qBMGs with large automorphism groups.
Keywords: group of automorphisms, bipartite graphs, phylogenetics
Published in RUP: 05.01.2026; Views: 1507; Downloads: 6
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