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math.AG2020
A Hilbert scheme of radius two
Ritvik Ramkumar
We give an explicit example of a Hilbert scheme whose incidence graph has radius two.
math.AG2020
The Hilbert scheme of a pair of linear spaces is a Mori dream space
Ritvik Ramkumar
Let denote the component of the Hilbert scheme whose general point parameterizes an -plane union a -plane meeting transversely in . We describe the…
math.AG2020★ 2 cited
On the smoothness of lexicographic points on Hilbert schemes
Ritvik Ramkumar, Alessio Sammartano
We study the geometry of standard graded Hilbert schemes of polynomial rings and exterior algebras. Our investigation is motivated by a famous theorem of Reeves and Stillman for th…