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CONSTRAINTS
2006
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13 years 4 months ago
Symmetry Definitions for Constraint Satisfaction Problems
We review the many different definitions of symmetry for constraint satisfaction problems (CSPs) that have appeared in the literature, and show that a symmetry can be defined in tw...
David A. Cohen, Peter Jeavons, Christopher Jeffers...
COCOA
2008
Springer
13 years 5 months ago
Automatic Generation of Symmetry-Breaking Constraints
Solution symmetries in integer linear programs often yield long Branch-and-Bound based solution processes. We propose a method for finding elements of the permutation group of sol...
Leo Liberti