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                  The 21st Workshop on 
      General Relativity and Gravitation in Japan
                      (JGRG21)
           Tohoku University, Sendai, Japan
           26 September -- 29 September 2011
          http://www.astr.tohoku.ac.jp/jgrg21/
                   First circular
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Dear Colleagues,

We are pleased to announce that the 21st workshop on General
Relativity and Gravitation (JGRG21) will be held in Sendai.
This is one of a series of JGRG workshops held in Japan every 
year since 1991, which has provided a place where people can 
exchange ideas and pursue future trends of research.  The workshop 
will cover a wide area of research related to general relativity.
A tentative list of invited speakers is given below.

Shouji Asai (Tokyo, Japan) [LHC]
Eiihciro Komatsu (Austin, Texas, USA) [CMB]
Nicolas Yunes (MIT, USA) [Alternative theories of gravity]
Sumio Yamada (Tohoku, Japan) [Penrose inequality]
Mu-Tao Wang (Colombia University) [Quasi-local Mass]
Pau Figueras (DAMTP, UK) [Black Holes in Brane]


The registration is open at the conference web site.  The
deadline is the 31st of July, 2011.

For further information, please visit our web site at:
URL: http://www.astr.tohoku.ac.jp/jgrg21/

SOC:
H. Asada, T. Chiba, T. Harada, K. Ioka,
H. Kodama, H. Ishihara, K. Nakao, Y. Kojima,
K. Maeda, S. Yamada, S. Mukohyama, T. Nakamura,
N. Seto, T. Shiromizu, J. Soda, Y. Nambu,
N. Sugiyama, K. Oohara, M. Sasaki, M. Shibata,
T. Tanaka, M. Yamaguchi, J. Yokoyama

LOC:
 T. Futamase, Y. Itoh, S. Yamada, M. Yamaguchi, S. Yoshida

Inquiries to:

jgrg21-loc_atmark_astr.tohoku.ac.jp
or
tof_atmark_astr.tohoku.ac.jp
(Change "_atmark_" to "@".)
or 
Toshifumi Futamase
Astronomical Institute, Graduate School of Science,
Tohoku University, Aoba 6-3 Aramaki Aoba Sendai, 980-8578, Japan
Phone: +81-22-795-6512
Fax: +81-22-795-6513