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DMTCS
2011
261views Mathematics» more  DMTCS 2011»
12 years 7 months ago
An expected polynomial time algorithm for coloring 2-colorable 3-graphs
Abstract. We present an algorithm that for 2-colorable 3-uniform hypergraphs, finds a 2-coloring in average running time O(n5 log2 n).
Yury Person, Mathias Schacht
STOC
2010
ACM
224views Algorithms» more  STOC 2010»
13 years 11 months ago
Satisfiability Allows No Nontrivial Sparsification Unless The Polynomial-Time Hierarchy Collapses
Consider the following two-player communication process to decide a language L: The first player holds the entire input x but is polynomially bounded; the second player is computa...
Holger Dell and Dieter van Melkebeek
SODA
1998
ACM
128views Algorithms» more  SODA 1998»
13 years 9 months ago
A Polynomial-Time Approximation Scheme for Weighted Planar Graph TSP
Given a planar graph on n nodes with costs weights on its edges, de ne the distance between nodes i and j as the length of the shortest path between i and j. Consider this as an i...
Sanjeev Arora, Michelangelo Grigni, David R. Karge...
SIROCCO
2003
13 years 9 months ago
Polynomial-Time Computable Backup Tables for Shortest-Path Routing
For networks employing shortest-path routing, we introduce a new recovery scheme which needs only one backup routing table. By precomputing this backup table, the network recovers...
Hiro Ito, Kazuo Iwama, Yasuo Okabe, Takuya Yoshihi...
ALMOB
2008
92views more  ALMOB 2008»
13 years 7 months ago
Reconstructing phylogenies from noisy quartets in polynomial time with a high success probability
Background: In recent years, quartet-based phylogeny reconstruction methods have received considerable attentions in the computational biology community. Traditionally, the accura...
Gang Wu, Ming-Yang Kao, Guohui Lin, Jia-Huai You