Finding maximum cliques in circle graphs

Networks ◽  
1981 ◽  
Vol 11 (3) ◽  
pp. 269-278 ◽  
Author(s):  
D. Rotem ◽  
J. Urrutia
Author(s):  
Can Lu ◽  
Jeffrey Xu Yu ◽  
Hao Wei ◽  
Yikai Zhang

1992 ◽  
Vol 36 (1) ◽  
pp. 1-24 ◽  
Author(s):  
Alberto Apostolico ◽  
Mikhail J. Atallah ◽  
Susanne E. Hambrusch

Author(s):  
Guillaume Chapuis ◽  
Hristo Djidjev ◽  
Georg Hahn ◽  
Guillaume Rizk
Keyword(s):  

2011 ◽  
Vol 03 (03) ◽  
pp. 323-336 ◽  
Author(s):  
FANICA GAVRIL

A circle n-gon is the region between n or fewer non-crossing chords of a circle, no chord connecting the arcs between two other chords; the sides of a circle n-gon are either chords or arcs of the circle. A circle n-gon graph is the intersection graph of a family of circle n-gons in a circle. The family of circle trapezoid graphs is exactly the family of circle 2-gon graphs and the family of circle graphs is exactly the family of circle 1-gon graphs. The family of circle n-gon graphs contains the polygon-circle graphs which have an intersection representation by circle polygons, each polygon with at most n chords. We describe a polynomial time algorithm to find a minimum weight feedback vertex set, or equivalently, a maximum weight induced forest, in a circle n-gon graph with positive weights, when its intersection model by n-gon-interval-filaments is given.


Author(s):  
Faten Fakhfakh ◽  
Mohamed Tounsi ◽  
Mohamed Mosbah ◽  
Ahmed Hadj Kacem
Keyword(s):  

Author(s):  
Steven Chaplick ◽  
Radoslav Fulek ◽  
Pavel Klavík
Keyword(s):  

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