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Vertex Operators in Mathematics and Physics - Proceedings of a Conference November 10-17, 1983 (Paperback, Softcover reprint of the original 1st ed. 1985)
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Vertex Operators in Mathematics and Physics - Proceedings of a Conference November 10-17, 1983 (Paperback, Softcover reprint of the original 1st ed. 1985)
Series: Mathematical Sciences Research Institute Publications, 3
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James Lepowsky t The search for symmetry in nature has for a long
time provided representation theory with perhaps its chief
motivation. According to the standard approach of Lie theory, one
looks for infinitesimal symmetry -- Lie algebras of operators or
concrete realizations of abstract Lie algebras. A central theme in
this volume is the construction of affine Lie algebras using formal
differential operators called vertex operators, which originally
appeared in the dual-string theory. Since the precise description
of vertex operators, in both mathematical and physical settings,
requires a fair amount of notation, we do not attempt it in this
introduction. Instead we refer the reader to the papers of
Mandelstam, Goddard-Olive, Lepowsky-Wilson and
Frenkel-Lepowsky-Meurman. We have tried to maintain consistency of
terminology and to some extent notation in the articles herein. To
help the reader we shall review some of the terminology. We also
thought it might be useful to supplement an earlier fairly detailed
exposition of ours [37] with a brief historical account of vertex
operators in mathematics and their connection with affine algebras.
Since we were involved in the development of the subject, the
reader should be advised that what follows reflects our own
understanding. For another view, see [29].1 t Partially supported
by the National Science Foundation through the Mathematical
Sciences Research Institute and NSF Grant MCS 83-01664. 1 We would
like to thank Igor Frenkel for his valuable comments on the first
draft of this introduction.
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