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DISOPT
2011
201views Education» more  DISOPT 2011»
13 years 4 months ago
The Wiener maximum quadratic assignment problem
We investigate a special case of the maximum quadratic assignment problem where one matrix is a product matrix and the other matrix is the distance matrix of a one-dimensional poi...
Eranda Çela, Nina S. Schmuck, Shmuel Wimer,...
DISOPT
2011
176views Education» more  DISOPT 2011»
13 years 4 months ago
Valid inequalities and branch-and-cut for the clique pricing problem
Motivated by an application in highway pricing, we consider the problem that consists in setting profit-maximizing tolls on a clique subset of a multicommodity transportation net...
Géraldine Heilporn, Martine Labbé, P...
DISOPT
2011
175views Education» more  DISOPT 2011»
13 years 4 months ago
Strengthening lattice-free cuts using non-negativity
In recent years there has been growing interest in generating valid inequalities for mixedinteger programs using sets with 2 or more constraints. In particular, Andersen et al. (2...
Ricardo Fukasawa, Oktay Günlük
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2011
177views Education» more  DISOPT 2011»
13 years 7 months ago
Lower bounds on kernelization
Neeldhara Misra, Venkatesh Raman, Saket Saurabh
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2011
210views Education» more  DISOPT 2011»
13 years 7 months ago
The parameterized complexity of k-flip local search for SAT and MAX SAT
SAT and MAX SAT are among the most prominent problems for which local search algorithms have been successfully applied. A fundamental task for such an algorithm is to increase the...
Stefan Szeider
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2011
240views Education» more  DISOPT 2011»
13 years 7 months ago
On the directed Full Degree Spanning Tree problem
We study the parameterized complexity of a directed analog of the Full Degree Spanning Tree problem where, given a digraph D and a nonnegative integer k, the goal is to construct a...
Daniel Lokshtanov, Venkatesh Raman, Saket Saurabh,...