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FAW
2009
Springer
178views Algorithms» more  FAW 2009»
13 years 11 months ago
Improved Algorithms for Detecting Negative Cost Cycles in Undirected Graphs
Xiaofeng Gu, Kamesh Madduri, K. Subramani, Hong-Ji...
FAW
2009
Springer
134views Algorithms» more  FAW 2009»
13 years 11 months ago
Pathwidth is NP-Hard for Weighted Trees
The pathwidth of a graph G is the minimum clique number of H minus one, over all interval supergraphs H of G. We prove in this paper that the PATHWIDTH problem is NP-hard for parti...
Rodica Mihai, Ioan Todinca
FAW
2009
Springer
180views Algorithms» more  FAW 2009»
13 years 11 months ago
Edge Search Number of Cographs in Linear Time
We give a linear-time algorithm for computing the edge search number of cographs, thereby proving that this problem can be solved in polynomial time on this graph class. With our ...
Pinar Heggernes, Rodica Mihai
FAW
2009
Springer
144views Algorithms» more  FAW 2009»
13 years 9 months ago
Communication Complexity and Its Applications
Here we prove an asymptotically optimal lower bound on the information complexity of the k-party disjointness function with the unique intersection promise, an important special ca...
Andrew Chi-Chih Yao
FAW
2009
Springer
177views Algorithms» more  FAW 2009»
13 years 11 months ago
Bounds on the Geometric Mean of Arc Lengths for Bounded-Degree Planar Graphs
Data access time becomes the main bottleneck in applications dealing with large-scale graphs. Cache-oblivious layouts, constructed to minimize the geometric mean of arc lengths of ...
Mohammad Khairul Hasan, Sung-Eui Yoon, Kyung-Yong ...