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Extensions between finite-dimensional simple modules over a generalized current Lie algebra |
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| Authors: | Ryosuke Kodera |
| Affiliation: | 1. Graduate School of Mathematical Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8914, Japan |
| Abstract: | We calculate the first extension groups for finite-dimensional simple modules over an arbitrary generalized current Lie algebra, which includes the case of loop Lie algebras and their multivariable analogs. |
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