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» Improved Approximation Algorithms for Label Cover Problems
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STACS
2007
Springer
16 years 8 days ago
On Completing Latin Squares
We present a (2 3 − o(1))-approximation algorithm for the partial latin square extension (PLSE) problem. This improves the current best bound of 1 − 1 e due to Gomes, Regis, an...
Iman Hajirasouliha, Hossein Jowhari, Ravi Kumar, R...
ESA
2009
Springer
92views Algorithms» more  ESA 2009»
16 years 22 days ago
Minimizing Movement: Fixed-Parameter Tractability
Abstract. We study an extensive class of movement minimization problems which arise from many practical scenarios but so far have little theoretical study. In general, these proble...
Erik D. Demaine, MohammadTaghi Hajiaghayi, D&aacut...
WAOA
2005
Springer
161views Algorithms» more  WAOA 2005»
15 years 11 months ago
"Almost Stable" Matchings in the Roommates Problem
An instance of the classical Stable Roommates problem (sr) need not admit a stable matching. This motivates the problem of finding a matching that is “as stable as possible”, ...
David J. Abraham, Péter Biró, David ...
EOR
2007
364views more  EOR 2007»
15 years 6 months ago
Heuristics for the mirrored traveling tournament problem
Professional sports leagues are a major economic activity around the world. Teams and leagues do not want to waste their investments in players and structure in consequence of poo...
Celso C. Ribeiro, Sebastián Urrutia
ICML
2004
IEEE
16 years 7 months ago
Generalized low rank approximations of matrices
The problem of computing low rank approximations of matrices is considered. The novel aspect of our approach is that the low rank approximations are on a collection of matrices. W...
Jieping Ye