2 problems

Let $W$ be a symplectic variety, and let $Z\to W$ and $Z^+\to W$ be projective symplectic resolutions. A Mukai flop in codimension $2$ is a birational transformation that becomes a…

Let $\Gamma<\operatorname{SL}(2)$ be a finite subgroup and let … A Mukai flop with center over the origin is a Mukai flop whose flop center is contained in the fiber over $0\in W$.…