An intersection graph of straight lines

Carsten Thomassen

doi:10.1016/S0012-365X(02)00591-5

An intersection graph of straight lines

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Abstract

G. Ehrlich, S. Even, and R.E. Tarjan conjectured that the graph obtained from a complete 3 partite graph K₄,₄,₄ by deleting the edges of four disjoint triangles is not the intersection graph of straight line segments in the plane. We show that it is.

Original language	English
Journal	Discrete Mathematics
Volume	259
Issue number	1-3
Pages (from-to)	359-360
ISSN	0012-365X
DOIs	https://doi.org/10.1016/S0012-365X(02)00591-5
Publication status	Published - 2002

Keywords

intersection graphs
straight lines

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10.1016/S0012-365X(02)00591-5

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title = "An intersection graph of straight lines",

abstract = "G. Ehrlich, S. Even, and R.E. Tarjan conjectured that the graph obtained from a complete 3 partite graph K4,4,4 by deleting the edges of four disjoint triangles is not the intersection graph of straight line segments in the plane. We show that it is.",

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AB - G. Ehrlich, S. Even, and R.E. Tarjan conjectured that the graph obtained from a complete 3 partite graph K4,4,4 by deleting the edges of four disjoint triangles is not the intersection graph of straight line segments in the plane. We show that it is.

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KW - straight lines

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DO - 10.1016/S0012-365X(02)00591-5

M3 - Journal article

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EP - 360

JO - Discrete Mathematics

JF - Discrete Mathematics

IS - 1-3

ER -

An intersection graph of straight lines

Abstract

Keywords

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