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math.CO2021
Circuit imbalance measures and linear programming
Farbod Ekbatani, Bento Natura, László A. Végh
We study properties and applications of various circuit imbalance measures associated with linear spaces. These measures describe possible ratios between nonzero entries of support…
math.CO2021★ 1 cited
On complete classes of valuated matroids
Edin Husić, Georg Loho, Ben Smith +1
We characterize a rich class of valuated matroids, called R-minor valuated matroids that includes the indicator functions of matroids, and is closed under operations such as taking…