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math.CO2016
Matroid multiple cyclic exchange property
Michał Lasoń
We prove a new exchange property for bases of a matroid that generalizes the multiple symmetric exchange property. For every bases of a matroid and a subset $A_1\su…
math.CO2016★ 4 cited
On the toric ideals of matroids of a fixed rank
Michał Lasoń
In White conjectured that every element of the toric ideal of a matroid is generated by quadratic binomials corresponding to symmetric exchanges. We prove White's conjecture…