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math.AG2017
Initial degenerations of Grassmannians
Daniel Corey
We construct closed immersions from initial degenerations of ---the open cell in the Grassmannian given by the nonvanishing o…
math.AG2017
Khovanskii bases of Cox-Nagata rings and tropical geometry
Martha Bernal, Daniel Corey, Maria Donten-Bury +2
The Cox ring of a del Pezzo surface of degree 3 has a distinguished set of 27 minimal generators. We investigate conditions under which the initial forms of these generators genera…