We study the computational complexity of generating lex-leader formulas. We show, even for abelian symmetry groups, that the number of essential clauses in the ...
Sin e we allow an arbitrary group of symmetries as input, the symmetry breaking formula depends only the group and not on the input theory. Be ause of this, we ...
We study the computational complexity of generating lex-leader formulas. We show, even for abelian symmetry groups, that the number of essential clauses in the ...
The Complexity of Symmetry-Breaking Formulas · E. Luks, Amitabha Roy · Published in Annals of Mathematics and… 1 May 2004 · Computer Science, Mathematics.
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Jul 5, 2024 · Symmetry breaking is a widely popular approach to enhance solvers in constraint pro- gramming, such as those for SAT or MIP.
This document discusses the complexity of generating symmetry-breaking formulas called lex-leader formulas. It shows that for even simple abelian symmetry ...
Sep 6, 2024 · Computing for any formula F a predicate only true of the lex-leader in each orbit of symmetric assignments is NP-hard. This also holds for. ▷ ...
Apr 14, 2023 · Complex phenomena are made possible when: (i) fundamental physical symmetries are broken and (ii) from the set of broken symmetries ...
Symmetry breaking predicates (SBPs) typically impose an order on variables and single out the lexicographic leader (lex-leader) in each orbit of assignments.
Explicit formulas, symmetry and symmetry breaking for Willmore surfaces of revolution · Novel Symmetry and Symmetry-Breaking Induced Complexity in Cosmological ...