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» Symmetries of Symmetry Breaking Constraints
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IJCAI
2003
13 years 10 months ago
Multiset Ordering Constraints
We identify a new and important global (or nonbinary) constraint which ensures that the values taken by two vectors of variables, when viewed as multisets, are ordered. This const...
Alan M. Frisch, Ian Miguel, Zeynep Kiziltan, Brahi...
CPAIOR
2008
Springer
13 years 10 months ago
A Novel Approach For Detecting Symmetries in CSP Models
Abstract. While several powerful methods exist for automatically detecting symmetries in instances of constraint satisfaction problems (CSPs), current methods for detecting symmetr...
Christopher Mears, Maria J. García de la Ba...
ASPDAC
2005
ACM
111views Hardware» more  ASPDAC 2005»
13 years 11 months ago
Placement with symmetry constraints for analog layout design using TCG-S
In order to handle device matching for analog circuits, some pairs of modules need to be placed symmetrically with respect to a common axis. In this paper, we deal with the module...
Jai-Ming Lin, Guang-Ming Wu, Yao-Wen Chang, Jen-Hu...
SAB
2010
Springer
140views Optimization» more  SAB 2010»
13 years 7 months ago
A Model of Symmetry Breaking in Collective Decision-Making
Abstract. Symmetry breaking is commonly found in self-organized collective decision making. It serves an important functional role, specifically in biological and bio-inspired sys...
Heiko Hamann, Bernd Meyer, Thomas Schmickl, Karl C...
IJCAI
2003
13 years 10 months ago
Efficient Symmetry Breaking for Boolean Satisfiability
Identifying and breaking the symmetries of CNF formulae has been shown to lead to significant reductions in search times. In this paper we describe a more systematic and efficient...
Fadi A. Aloul, Karem A. Sakallah, Igor L. Markov