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» Short path queries in planar graphs in constant time
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STOC
2003
ACM
108views Algorithms» more  STOC 2003»
14 years 5 months ago
Short path queries in planar graphs in constant time
Lukasz Kowalik, Maciej Kurowski
ESA
2004
Springer
137views Algorithms» more  ESA 2004»
13 years 10 months ago
Fast 3-Coloring Triangle-Free Planar Graphs
We show the first o(n2 ) algorithm for coloring vertices of trianglefree planar graphs using three colors. The time complexity of the algorithm is O(n log n). Our approach can be ...
Lukasz Kowalik
CORR
2010
Springer
105views Education» more  CORR 2010»
13 years 5 months ago
Exact Shortest Path Queries for Planar Graphs Using Linear Space
We provide the first linear-space data structure with provable sublinear query time for exact point-topoint shortest path queries in planar graphs. We prove that for any planar gr...
Shay Mozes, Christian Sommer
CORR
1999
Springer
145views Education» more  CORR 1999»
13 years 4 months ago
Subgraph Isomorphism in Planar Graphs and Related Problems
We solve the subgraph isomorphism problem in planar graphs in linear time, for any pattern of constant size. Our results are based on a technique of partitioning the planar graph ...
David Eppstein
FCT
1995
Springer
13 years 8 months ago
Fast Algorithms for Maintaining Shortest Paths in Outerplanar and Planar Digraphs
Abstract. We present algorithms for maintaining shortest path information in dynamic outerplanar digraphs with sublogarithmic query time. By choosing appropriate parameters we achi...
Hristo Djidjev, Grammati E. Pantziou, Christos D. ...