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DERIVATION OF THE ANOMALOUS TERM IN VIRASORO ALGEBRA BY TOPOLOGICAL METHOD |
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| Authors: | WU Yue-liang XIE Yan-bo ZHOU Guang-zhao |
| Affiliation: | Institute of Theoretical Physics, Academia Sinica, P.O. Box 2735, Beijing, China |
| Abstract: | A 2-cocycle is constructed which gives the anomalous term in the Virasoro algebra. |
| Keywords: | |
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