138 search results - page 9 / 28 » Approximation Algorithms for Bounded Degree Phylogenetic Roo... |
IPL
1998
13 years 7 months ago
1998
The k-MST problem requires finding that subset of at least k vertices of a given graph whose Minimum Spanning Tree has least weight amongst all subsets of at least k vertices. Th...
APPROX
2009
Springer
14 years 2 months ago
2009
Springer
The (undirected) Node Connectivity Augmentation (NCA) problem is: given a graph J = (V, EJ ) and connectivity requirements {r(u, v) : u, v ∈ V }, find a minimum size set I of n...
ICALP
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. We deal with two intimately related subjects: quasi-randomness and regular partitions. The purpose of the concept of quasi-randomness is to measure how much a given graph...
WDAG
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. Since in general it is NP-hard to solve the minimum dominating set problem even approximatively, a lot of work has been dedicated to central and distributed approximation...
NIPS
2007
13 years 8 months ago
2007
We present a new local approximation algorithm for computing MAP and logpartition function for arbitrary exponential family distribution represented by a finite-valued pair-wise ...