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Results tagged with lie-algebra-cohomology
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user 105776
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Extensions of modules over universal enveloping algebra with fixed central action
Let $\mathfrak{g}$ be a Lie algebra over $\mathbb{C}$, $\mathfrak{z}$ be the center of $\text{U}(\mathfrak{g})$, and $M_1$, $M_2$ be $\text{U}(\mathfrak{g})$-modules on which $\mathfrak{z}$ acts by a …
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