64 citations · 178 across the 18 of their papers we have counts for
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math.CO2009★ 64 cited
Valuative invariants for polymatroids
Harm Derksen, Alex Fink
Many important invariants for matroids and polymatroids, such as the Tutte polynomial, the Billera-Jia-Reiner quasi-symmetric function, and the invariant introduced by…
math.ST2009★ 2 cited
The binomial ideal of the intersection axiom for conditional probabilities
Alex Fink
The binomial ideal associated with the intersection axiom of conditional probability is shown to be radical and is expressed as intersection of toric prime ideals. This resolves a…