2 papers
math.AG2025
Canonical torus action on symplectic singularities
Yoshinori Namikawa, Yuji Odaka
We show that any symplectic singularity lying on a smoothable projective symplectic variety locally admits a good action of , which is canonical. Under mild assum…
math.AG2023
A remark on isolated symplectic singularities with trivial local fundamental group
Yoshinori Namikawa
Recently, Bellamy et al. constructed an infinite series of 4-dimensional isolated symplectic sngularities with trivial local fundamental group, inspired by a question of Beauville.…