Alex Fink

activity

20072023

most citedValuative invariants for polymatroids

64 citations · 178 across the 18 of their papers we have counts for

collaborators

Showing 2013Show all

2 papers · 1 filter

math.AG2013

Matrix orbit closures

Andrew Berget, Alex Fink

Let $G$ be the group $G L_{r} (C) \times (C^{\times})^{n}$ . We conjecture that the finely-graded Hilbert series of a $G$ orbit closure in the space of $r$ -by- $n$ matrices is wholly determi…

math.CO2013★ 1 cited

Stiefel tropical linear spaces

Alex Fink, Felipe Rincón

The tropical Stiefel map associates to a tropical matrix A its tropical Pluecker vector of maximal minors, and thus a tropical linear space L(A). We call the L(A)s obtained in this…