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ICALP
2009
Springer
14 years 7 months ago
2009
Springer
We develop new structural results for apex-minor-free graphs and show their power by developing two new approximation algorithms. The first is an additive approximation for colorin...
ICTAI
2010
IEEE
13 years 5 months ago
2010
IEEE
The balanced graph partitioning consists in dividing the vertices of an undirected graph into a given number of subsets of approximately equal size, such that the number of edges c...
WG
2004
Springer
14 years 27 days ago
2004
Springer
A unit disk graph is the intersection graph of unit disks in the euclidean plane. We present a polynomial-time approximation scheme for the maximum weight independent set problem i...
SWAT
2010
Springer
14 years 18 days ago
2010
Springer
We consider the problem of partitioning the set of vertices of a given unit disk graph (UDG) into a minimum number of cliques. The problem is NP-hard and various constant factor a...
AAIM
2007
Springer
2007
Springer
Improved Approximation Algorithms for Predicting RNA Secondary Structures with Arbitrary Pseudoknots
14 years 1 months ago
We study three closely related problems motivated by the prediction of RNA secondary structures with arbitrary pseudoknots: the MAXIMUM BASE PAIR STACKINGS problem proposed by Ieon...