150 search results - page 20 / 30 » Polynomial graph invariants from homomorphism numbers |
RECOMB
2005
Springer
15 years 10 months ago
2005
Springer
Abstract. One of the simplest evolutionary models has molecular sequences evolving from a common ancestor down a bifurcating phylogenetic tree, experiencing point-mutations along t...
67
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STOC
2002
ACM
15 years 10 months ago
2002
ACM
Cooper, Dyer and Frieze studied the problem of sampling H-colourings (nearly) uniformly at random. Special cases of this problem include sampling colourings and independent sets a...
DAGM
2004
Springer
15 years 3 months ago
2004
Springer
We present an approach to discretizing multivariate continuous data while learning the structure of a graphical model. We derive the joint scoring function from the principle of p...
104
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SODA
2010
ACM
14 years 8 months ago
2010
ACM
We present an exact algorithm that decides, for every fixed r ≥ 2 in time O(m) + 2O(k2 ) whether a given multiset of m clauses of size r admits a truth assignment that satisfi...
ATMOS
2010
14 years 8 months ago
2010
We study variants of the vertex disjoint paths problem in planar graphs where paths have to be selected from a given set of paths. We study the problem as a decision, maximization...