2 papers
math.AG2026
The Drinfeld-Grinberg-Kazhdan theorem and embedding codimension of the arc space
Christopher Heng Chiu
We prove an extension of the theorem of Drinfeld, Grinberg and Kazhdan to arcs with arbitrary residue field. As an application we show that the embedding codimension is generically…
math.AG2024
Sym-Noetherianity for powers of GL-varieties
Christopher H. Chiu, Alessandro Danelon, Jan Draisma +2
Much recent literature concerns finiteness properties of infinite-dimensional algebraic varieties equipped with an action of the infinite symmetric group, or of the infinite genera…