Brief Summary of Each Supplement
Progress of Theoretical Physics Supplement No. 134
Dynamics of Fields and Strings
Proceedings of Proceedings of the 13th Nishinomiya Yukawa
Memorial Symposium
(November 2 and 13, 1998, Nishinomiya, Japan)
Edited by Satoshi Iso, Hikaru Kawai and Makoto Natsuume
This supplement contains lectures presented at the 13th Nishinomiya Yukawa
Memorial Symposium on Theoretical Physics, ``Dynamics of Fields and
Strings", held at Nishinomiya City on November 12 and 13, 1998. Through the
study of perturbative string theories about 10 years ago, we have arrived at
the consensus that we need a non-perturbative definition of string theories
in order to predict various properties of our spacetime and elementary
particles. In recent years, dualities among various string theories and
solitons have been discovered. Inspired by the discoveries, several
proposals for constructive definitions have appeared. Thus we are presently
in a position to ask fundamental questions such as why our spacetime is four
dimensions, why there are three generations and so forth. In this symposium
we discussed such recent developments, including matrix models, M theory,
AdS/CFT correspondence, and string field theory, together with other
interesting proposals for gravity.
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