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ISAAC
2000
Springer
135views Algorithms» more  ISAAC 2000»
15 years 9 months ago
On Approximating Minimum Vertex Cover for Graphs with Perfect Matching
It has been a challenging open problem whether there is a polynomial time approximation algorithm for the Vertex Cover problem whose approximation ratio is bounded by a constant l...
Jianer Chen, Iyad A. Kanj
ALGORITHMICA
2004
130views more  ALGORITHMICA 2004»
15 years 5 months ago
The Power of Priority Algorithms for Facility Location and Set Cover
We apply and extend the priority algorithm framework introduced by Borodin, Nielsen, and Rackoff to define "greedy-like" algorithms for the (uncapacitated) facility locat...
Spyros Angelopoulos, Allan Borodin
CVPR
2010
IEEE
16 years 2 months ago
Covering Trees and Lower-bounds on Quadratic Assignment
Many computer vision problems involving feature correspondence among images can be formulated as an assignment problem with a quadratic cost function. Such problems are computatio...
Julian Yarkony, Charless Fowlkes, Alex Ihler
TCS
2008
15 years 5 months ago
Minimum-Energy Broadcast and disk cover in grid wireless networks
The Minimum-Energy Broadcast problem is to assign a transmission range to every station of an ad-hoc wireless networks so that (i) a given source station is allowed to perform bro...
Tiziana Calamoneri, Andrea E. F. Clementi, Miriam ...
FAW
2008
Springer
137views Algorithms» more  FAW 2008»
15 years 7 months ago
Constraint Bipartite Vertex Cover: Simpler Exact Algorithms and Implementations
constraint bipartite vertex cover is a graph-theoretical formalization of the spare allocation problem for reconfigurable arrays. We report on an implementation of a parameterized ...
Guoqiang Bai 0002, Henning Fernau