A characterization of intersection graph
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FrΓ©dΓ©ric Maire
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Article
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1993
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Elsevier Science
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English
β 213 KB
The interior of an orthogonal polygon drawn on a regular grid of the plane defines a set of cells (or squares) called a polyomino. We prove that the intersection graph of the maximal rectangles contained in a polyomino is slightly triangulated or has a star cutset.