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» Approximation algorithms for the 0-extension problem
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TALG
2010
86views more  TALG 2010»
15 years 10 days ago
Approximating corridors and tours via restriction and relaxation techniques
Given a rectangular boundary partitioned into rectangles, the Minimum-Length Corridor (MLC-R) problem consists of finding a corridor of least total length. A corridor is a set of ...
Arturo Gonzalez-Gutierrez, Teofilo F. Gonzalez
STOC
2005
ACM
111views Algorithms» more  STOC 2005»
16 years 2 months ago
Tensor decomposition and approximation schemes for constraint satisfaction problems
Wenceslas Fernandez de la Vega, Marek Karpinski, R...
STOC
2002
ACM
84views Algorithms» more  STOC 2002»
16 years 2 months ago
Random sampling and approximation of MAX-CSP problems
Noga Alon, Wenceslas Fernandez de la Vega, Ravi Ka...
IPL
2000
146views more  IPL 2000»
15 years 1 months ago
Better approximations for max TSP
We combine two known polynomial time approximation algorithms for the maximum traveling salesman problem to obtain a randomized algorithm which outputs a solution with expected va...
Refael Hassin, Shlomi Rubinstein
CORR
2011
Springer
205views Education» more  CORR 2011»
14 years 5 months ago
Algorithms for Implicit Hitting Set Problems
A hitting set for a collection of sets is a set that has a nonempty intersection with each set in the collection; the hitting set problem is to find a hitting set of minimum card...
Karthekeyan Chandrasekaran, Richard Karp, Erick Mo...