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- W4307306381 abstract "Stick graphs are defined as follows. Let A (respectively B) be a set of vertical (respectively horizontal) segments in the plane such that the bottom endpoints of the segments in A and the left endpoints of the segments in B lie on the same ground straight line with slope -1. The Stick graph defined by A and B, which is necessarily bipartite, is the intersection graph of the segments in A with the segments in B. We answer an open problem by showing that recognizing Stick graphs is NP-complete. This result allows us to easily solve two other open problems, namely the recognition of BipHook graphs and of max point-tolerance graphs. We show that both of them are NP-complete problems." @default.
- W4307306381 created "2022-10-31" @default.
- W4307306381 creator A5031719973 @default.
- W4307306381 date "2022-05-18" @default.
- W4307306381 modified "2023-09-27" @default.
- W4307306381 title "On the complexity of recognizing Stick, BipHook and Max Point-Tolerance graphs" @default.
- W4307306381 doi "https://doi.org/10.48550/arxiv.2205.09076" @default.
- W4307306381 hasPublicationYear "2022" @default.
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