Nov 19, 2009 · Here, symmetric means that the formulation remains invariant under all permutations of the nodes of K_n. It was also conjectured in the paper ...

We provide a general framework for lifting inapproximability results of extended formulations to the setting of mixed-integer extended formulations, and obtain ...

In this paper we show that for the polytopes associated with the matchings in K n with edges there are non-symmetric extended formulations of polynomial size, ...

Here, symmetric means that the formulation remains invariant under all permutations of the nodes of $K_n$. It was also conjectured by Yannakakis that “asymmetry ...

SYMMETRY MATTERS FOR SIZES OF EXTENDED FORMULATIONS. 3 where, due to (3) and z ≥ 0, the right-hand side is bounded from above by. X v,w∈S,v6=w. (1 − x{v,w} ...

In this paper we show that for the polytopes associated with the matchings in Kn with log n edges there are non-symmetric extended formulations of polynomial ...

Symmetry Matters for the Sizes of Extended Formulations · The matching polytope does not admit fully-polynomial size relaxation schemes · Simple extensions of ...

Here, symmetric means that the formulation remains invariant under all permutations of the nodes of Kn. It was also conjectured in [17] that “asymmetry does not ...

Here, symmetric means that the formulation remains invariant under all permutations of the nodes of K n . It was also conjectured in [17] that “asymmetry does ...

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