Title
Short Models for Unit Interval Graphs
Abstract
We present one more proof of the fact that the class of proper interval graphs is precisely the class of unit interval graphs. The proof leads to a new and efficient O(n) time and space algorithm that transforms a proper interval model of the graph into a unit model, where all the extremes are integers in the range 0 to O(n2), solving a problem posed by Gardi (Discrete Math., 307 (22), 2906–2908, 2007).
Year
DOI
Venue
2009
10.1016/j.endm.2009.11.041
Electronic Notes in Discrete Mathematics
Keywords
Field
DocType
algorithms and data structures,graph theory,efficient representation,proper interval graphs,unit interval graphs
Discrete mathematics,Combinatorics,Indifference graph,Modular decomposition,Interval graph,Chordal graph,Treewidth,Pathwidth,Trapezoid graph,Mathematics,Maximal independent set
Journal
Volume
ISSN
Citations 
35
1571-0653
5
PageRank 
References 
Authors
0.55
5
3
Name
Order
Citations
PageRank
Min Chih Lin125921.22
Francisco J. Soulignac210110.56
Jayme L. Szwarcfiter354645.97