Dear colleagues:

We announce the following seminar at IPMU
(the Institute for the Physics and Mathematics of the Universe).

Regards,

Satoshi Kondo (IPMU)

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Date:         January 22, 2009, 15:30-17:00
Place:        Seminar Room at IPMU Prefab. B, Kashiwa Campus of the
University of Tokyo
Speaker:      Ryo Ookawa  (Tokyo Institue of Technology)
Title:        Moduli of Bridgeland semistable objects on the projective plane
Abstract:
We give another proof of Le Potier's result and some variants on
moduli spaces of semistable sheaves on the projective plane, using the
Bridgeland stability conditions. This theorem says that every moduli
scheme of semistable sheaves on the projective plane coincides with a
moduli scheme of semistable modules over a certain finite dimensional
algebra. Similar results are obtained in case of the smooth quadric
surface. As an application we study the wall-crossing phenomena of the
Hilbert schemes of points on the projective plane.
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Please notice that the seminar will be held at the "Prefab" of IPMU.

You can check the location from
http://www.ipmu.jp/access/img/KashiwaCampusMap.png

The schedule of the seminar can be checked from
http://www.ipmu.jp/seminars/