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» The Longest Path Problem Is Polynomial on Interval Graphs
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SODA
2012
ACM
253views Algorithms» more  SODA 2012»
13 years 2 months ago
Kernelization of packing problems
Kernelization algorithms are polynomial-time reductions from a problem to itself that guarantee their output to have a size not exceeding some bound. For example, d-Set Matching f...
Holger Dell, Dániel Marx
COCOON
2009
Springer
15 years 6 months ago
On the Generalised Character Compatibility Problem for Non-branching Character Trees
In [3], the authors introduced the Generalised Character Compatibility Problem as a generalisation of the Perfect Phylogeny Problem for a set of species. This generalised problem t...
Ján Manuch, Murray Patterson, Arvind Gupta
90
Voted
CATS
2008
15 years 1 months ago
Tractable Cases of the Extended Global Cardinality Constraint
We study the consistency problem for extended global cardinality (EGC) constraints. An EGC constraint consists of a set X of variables, a set D of values, a domain D(x) D for eac...
Marko Samer, Stefan Szeider
JCO
2011
113views more  JCO 2011»
14 years 6 months ago
Hardness and algorithms for rainbow connection
An edge-colored graph G is rainbow connected if any two vertices are connected by a path whose edges have distinct colors. The rainbow connection of a connected graph G, denoted r...
Sourav Chakraborty, Eldar Fischer, Arie Matsliah, ...
CPM
1993
Springer
154views Combinatorics» more  CPM 1993»
15 years 3 months ago
On Suboptimal Alignments of Biological Sequences
It is widely accepted that the optimal alignment between a pair of proteins or nucleic acid sequences that minimizes the edit distance may not necessarily re ect the correct biolog...
Dalit Naor, Douglas L. Brutlag