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arxiv: 0908.3738 · v2 · submitted 2009-08-26 · 🧮 math.RT · math.QA

Extensions between finite-dimensional simple modules over a generalized current Lie algebra

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keywords algebracurrentfinite-dimensionalgeneralizedmodulessimplealgebrasanalogs
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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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