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math.OC2020
The maximum -colorable subgraph problem and related problems
Renata Sotirov, Olga Kuryatnikova, Juan Vera
The maximum -colorable subgraph (MCS) problem is to find an induced -colorable subgraph with maximum cardinality in a given graph. This paper is an in-depth analysis of th…
math.OC2018
Positive semidefinite approximations to the cone of copositive kernels
Olga Kuryatnikova, Juan C. Vera
It has been shown that the maximum stable set problem in some infinite graphs, and the kissing number problem in particular, reduces to a minimization problem over the cone of copo…