Dear colleagues:

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

Regards,

Satoshi Kondo (IPMU)
http://ipmu.jp/
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IPMU workshop
Extended root systems and fundamental groups
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February 13 - 17, 2012
Seminar Room B
IPMU, The University of Tokyo
Kashiwa Campus

Speakers :
Daniel Allcock (Univ. of Texas)
Filippo Callegaro (Univ. di Pisa)
Emanuele Delucchi (Univ. of Bremen)
Tadashi Ishibe (Hiroshima Univ.)
Ivan Marin (Univ. de Paris 7)
Kyoji Saito (IPMU)
Masahiko Yoshinaga (Kyoto Univ.)

Please see
http://faculty.ms.u-tokyo.ac.jp/~topology/IPMU/ERFG.html
for the program.

Organizers:
Toshitake Kohno, Kyoji Saito
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You can check the location from
http://www.ipmu.jp/access-0
The schedule of the seminar can be checked from
http://db.ipmu.jp/seminar/