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AOR
2010
15 years 3 months ago
Solutions diversification in a column generation algorithm
Column generation algorithms have been specially designed for solving mathematical programs with a huge number of variables. Unfortunately, this method suffers from slow convergen...
Nora Touati Moungla, Lucas Létocart, Anass ...
CORR
2010
Springer
162views Education» more  CORR 2010»
15 years 3 months ago
Cross-Composition: A New Technique for Kernelization Lower Bounds
We introduce a new technique for proving kernelization lower bounds, called cross-composition. A classical problem L cross-composes into a parameterized problem Q if an instance o...
Hans L. Bodlaender, Bart M. P. Jansen, Stefan Krat...
STOC
2009
ACM
123views Algorithms» more  STOC 2009»
16 years 7 months ago
An improved constant-time approximation algorithm for maximum~matchings
This paper studies constant-time approximation algorithms for problems on degree-bounded graphs. Let n and d be the number of vertices and the degree bound, respectively. This pap...
Yuichi Yoshida, Masaki Yamamoto, Hiro Ito
LATIN
2010
Springer
16 years 1 months ago
Some Observations on Holographic Algorithms
Abstract. We define the notion of diversity for families of finite functions, and express the limitations of a simple class of holographic algorithms in terms of limitations on d...
Leslie G. Valiant
COMPSAC
2006
IEEE
16 years 11 days ago
Backtracking Algorithms and Search Heuristics to Generate Test Suites for Combinatorial Testing
Combinatorial covering arrays have been used in several testing approaches. This paper first discusses some existing methods for finding such arrays. Then a SAT-based approach a...
Jun Yan, Jian Zhang