12 citations · 26 across the 5 of their papers we have counts for
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On deformations of Q-factorial symplectic varieties
Yoshinori Namikawa
We shall prove that any small deformation of a Q-factorial projective symplectic variety with terminal singularities is locally rigid; in other words, it preserves the singularity.…
Birational geometry of symplectic resolutions of nilpotent orbits II
Yoshinori Namikawa
In this paper we shall study symplectic resolutions of a nilpotent orbit closure of a complex simple Lie algebra \g. We shall introduce an equivalence relation in the set of parabo…
Birational Geometry of symplectic resolutions of nilpotent orbits
Yoshinori Namikawa
In this paper, we shall prove that any two (projective) symplectic resolutions of a nilpotent orbit closure in a classical simple Lie algebra are connected by a finite sequence of…
Uniqueness of crepant resolutions and symplectic singularities
Baohua Fu, Yoshinori Namikawa
We prove the uniqueness of crepant resolutions for some quotient singularities and for some nilpotent orbits. The finiteness of non-isomorphic symplectic resolutions for 4-dimenens…
Mukai flops and derived categories II
Yoshinori Namikawa
This paper is a sequel to math.AG/0203287. A generalization of the Mukai flop has been studied by E. Markman. Here we call it a stratified Mukai flop. In this paper, we observe tha…
Mukai flops and derived categories
Yoshinori Namikawa
In this note, we shall prove that two smooth projective varieties of dim 2n connected by a Mukai flop have equivalent bounded derived categories. More precisely, let $ϕ: X - - \to…