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» Reconstruction Algorithm for Permutation Graphs
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WAW
2009
Springer
136views Algorithms» more  WAW 2009»
14 years 2 months ago
Permuting Web Graphs
Since the first investigations on web graph compression, it has been clear that the ordering of the nodes of the graph has a fundamental influence on the compression rate (usuall...
Paolo Boldi, Massimo Santini, Sebastiano Vigna
FOCS
2002
IEEE
14 years 15 days ago
Graph Isomorphism is in SPP
We show that Graph Isomorphism is in the complexity class SPP, and hence it is in ⊕P (in fact, it is in ModkP for each k ≥ 2). We derive this result as a corollary of a more g...
Vikraman Arvind, Piyush P. Kurur
COCOON
2010
Springer
13 years 6 months ago
On Sorting Permutations by Double-Cut-and-Joins
The problem of sorting permutations by double-cut-and-joins (SBD) arises when we perform the double-cut-and-join (DCJ) operations on pairs of unichromosomal genomes without the gen...
Xin Chen
SODA
1997
ACM
106views Algorithms» more  SODA 1997»
13 years 9 months ago
Optimal Bounds for Matching Routing on Trees
The permutation routing problem is studied for trees under the matching model. By introducing a novel and useful (so-called) caterpillar tree partition, we prove that any permutati...
Louxin Zhang
CPM
2006
Springer
176views Combinatorics» more  CPM 2006»
13 years 11 months ago
Longest Common Subsequences in Permutations and Maximum Cliques in Circle Graphs
For two strings a, b, the longest common subsequence (LCS) problem consists in comparing a and b by computing the length of their LCS. In a previous paper, we defined a generalisat...
Alexandre Tiskin