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cs.DS2014
Sum-of-squares hierarchy lower bounds for symmetric formulations
Adam Kurpisz, Samuli Leppänen, Monaldo Mastrolilli
We introduce a method for proving Sum-of-Squares (SoS)/ Lasserre hierarchy lower bounds when the initial problem formulation exhibits a high degree of symmetry. Our main technical…
cs.DS2014
Approximability of the robust representatives selection problem
Adam Kasperski, Adam Kurpisz, Pawel Zielinski
In this paper new complexity and approximation results on the robust versions of the representatives selection problem, under the scenario uncertainty representation, are provided,…