Equivalence of the filament and overlap graphs of subtrees of limited trees
2017
The overlap graphs of subtrees of a tree are equivalent to subtree filament
graphs, the overlap graphs of subtrees of a star are cocomparability graphs,
and the overlap graphs of subtrees of a caterpillar are interval filament
graphs. In this paper, we show the equivalence of many more classes of subtree
overlap and subtree filament graphs, and equate them to classes of complements
of cochordal-mixed graphs. Our results generalize the previously known results
mentioned above.
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