2 papers
math.AG2024
Degenerations of Grassmannians via lattice configurations II
Xiang He, Naizhen Zhang
This paper is a continuation of our study of degenerations of Grassmannians in our last paper, called linked Grassmannians, constructed using convex lattice configurations in Bruha…
math.AG2024
Positivity of tropical multidegrees
Xiang He
We define the multidegrees of a tropical variety. We prove that the positivity of a multidegree of a certain tropical variety is governed by the dimensions of the images of the tro…