16 Gennaio 2023 11:30 CET Aula seminari III piano
Ritvik Ramkumar Cornell University

The Hilbert scheme of a pair of linear spaces

Abstract The Grassmannian is a smooth moduli space with very rich geometry that parameterizes simple varieties, namely, linear spaces. One can study a natural generalization, the component of a Hilbert scheme that parameterizes a pair of linear spaces in $\mathbb{P}^n$. In this talk, I will describe the geometry of this component and show that they are smooth Mori dream spaces. Along the way, we will obtain a complete classification of the degenerations of a pair of linear spaces.

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