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12/18/2022
Problems, proofs, and disproofs on the inversion number
The inversion of a set X of vertices in a digraph D consists in reversin...
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08/03/2022
Various bounds on the minimum number of arcs in a k-dicritical digraph
The dichromatic number χ⃗(G) of a digraph G is the least integer k such ...
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07/22/2022
Maximizing Nash Social Welfare in 2-Value Instances: The Half-Integer Case
We consider the problem of maximizing the Nash social welfare when alloc...
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07/19/2021
