The packing problem for hypergraphs
The packing problem for hypergraphs
Let be a hypergraph, and let be its edge ideal. A minor of is obtained by deleting and contracting vertices. The hypergraph has the packing property if every minor is König, that is, if its transversal number equals its matching number, . The packing problem for hypergraphs. The edge ideal satisfies
for every if and only if has the packing property. This is the combinatorial formulation of the square-free monomial ideal packing problem; its general status is open.
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Primary source
Hrishikesh Bodas, Benjamin Drabkin, Caleb Fong, Su Jin, Justin Kim, Wenxuan Li, Alexandra Seceleanu, Tingting Tang and Brendan Williams, “Consequences of the packing problem”, arXiv:2101.04010 (2021).
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