2 papers
math.AG2026
Localization of Singularities and Universal Geometric Rank Bounds in the Satake Correspondence
George Petroulakis
This article introduces a framework for the localization and isolation of singularities in the affine Grassmannian. Our primary result is a structural factorization of the transiti…
math.AG2020
Nontrivial linear projections of the Grassmannian Gr_3(C^6)
Yanhe Huang, George Petroulakis, Frank Sottile +1
A typical linear projection of the Grassmannian in its Plucker embedding is injective, unless its image is a projective space. A notable exception are self-adjoint linear projectio…