research
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04/14/2022
On restricted completions of chordal and trivially perfect graphs
Let G be a graph having a vertex v such that H = G - v is a trivially pe...
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01/29/2022
On the generalized Helly property of hypergraphs, cliques, and bicliques
A family of sets is (p,q)-intersecting if every nonempty subfamily of p ...
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07/02/2019
Covering graphs with convex sets and partitioning graphs into convex sets
We present some complexity results concerning the problems of covering a...
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06/27/2019