All 81 crepant resolutions of a finite quotient singularity are hyperpolygon spaces
Gwyn Bellamy,
Alastair Craw,
Steven Rayan
et al.
Abstract:We demonstrate that the linear quotient singularity for the exceptional subgroup
G
G
in
S
p
(
4
,
C
)
\mathrm {Sp}(4,\mathbb {C})
of order 32 is isomorphic to an affine quiver variety for a 5-pointed star-shaped quiver. This allows us to construct uniformly all 81 projective crepant resolutions of
C
4
/
G
… Show more
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