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Showing 2014 · math.COShow all
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math.CO2014
On Hilbert bases of cuts
Luis Goddyn, Tony Huynh, Tanmay Deshpande
A Hilbert basis is a set of vectors X such that the integer cone (semigroup) generated by X is the intersection of the lattice generated by X with the cone generated by X. Define a…
math.CO2014
Interval minors of complete bipartite graphs
Bojan Mohar, Arash Rafiey, Behruz Tayfeh-Rezaie +1
Interval minors of bipartite graphs were recently introduced by Jacob Fox in the study of Stanley-Wilf limits. We investigate the maximum number of edges in -interval mino…