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Cocycle properties of string theories on orbifolds. (English) Zbl 0839.58074

Kato, Mitsuhiro (ed.) et al., Recent developments in string and field theory. Kyoto: Yukawa Institute for Theoretical Physics and The Physical Society of Japan, Prog. Theor. Phys., Suppl. 110, 229-259 (1992).
Summary: We study cocycle properties of vertex operators and present an operator representation of cocycle operators, which are attached to vertex operators to ensure the duality of amplitudes. It is shown that this analysis makes it possible to obtain the general class of consistent string theories on orbifolds.
For the entire collection see [Zbl 0822.00016].

MSC:

58Z05 Applications of global analysis to the sciences
81T30 String and superstring theories; other extended objects (e.g., branes) in quantum field theory
81T70 Quantization in field theory; cohomological methods
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