Math @ Duke
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Publications [#43635] of Anda Degeratu
Papers Published
- A. Degeratu, Flops of Crepant Resolutions,
Proceedings of the 10th Gokova Geometry and Topology Conference
(2004) (pdf.)
(last updated on 2005/12/13)
Abstract: Let $G$ be a finite subgroup of $SL(3, \IC)$
acting with an isolated
singularity on $\IC^3$. A crepant resolution
of $\IC^3/G$
comes together with a set of tautological
line bundles associated to
each irreducible representation of $G$. In
this note we give a
formula for the triple product of the first
Chern class of the
tautological bundles in terms of both the
geometry of the crepant
resolution and the representation theory of
$G$. From here we derive
the way these triple products change when we
perform a flop.
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