Importance: Medium ✭✭
 Author(s): de Fraysseix, Hubert Ossona de Mendez, Patrice
 Subject: Graph Theory » Topological Graph Theory » » Drawings
 Keywords: intersection graph planar hypergraph
 Posted by: taxipom on: September 4th, 2007
 Solved by: Daniel Gonçalves (conterexample submitted as a note to the European Journal of Combinatorics
Conjecture   Every planar linear hypergraph has a straight line representation in the plane which maps each vertex to a point and each edge to a straight line segment , in such a way that:
\item for each vertex and each edge , we have: \item for each couple of distinct edges , we have

## Bibliography

*[dFOdM] Hubert de Fraysseix, Patrice Ossona de Mendez: Stretching of Jordan arc contact systems, Discrete Applied Mathematics 155 (2007), no. 9, 1079--1095.

* indicates original appearance(s) of problem.