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Results tagged with rt.representation-theory
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user 113438
Linear representations of algebras and groups, Lie theory, associative algebras, multilinear algebra.
0
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About the connection between repellents and attractors under a $\mathbb{C}^{*}$ action on a ...
Let $X$ be a smooth projective variety with an action of $\mathbb{C}^{*}$. Let us suppose that the set $X^{\mathbb{C}^{*}}$ is finite. For $x \in X^{\mathbb{C}^{*}}$, let $A_{x}$ denote the attractor …
- 103
4
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1
answer
290
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Computation of multiplicity of irreducible representation in some representation via geometr...
Let $G$ be a reductive algebraic group over $\mathbb{C}$. Let $\operatorname{Gr}_{G}$ be the corresponding affine Grassmannian ($\operatorname{Gr}_{G}(\mathbb{C})=G(\mathbb{C}((z)))/G(\mathbb{C}[[z]]) …
- 103
3
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144
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Computation of nearby cycles, monodromy action and action of $sl_{2}$ on $\operatorname{gr}(...
Let $f: \mathbb{A}^{2} \rightarrow \mathbb{A}^{1}$ be a map that sends $(x,y)$ to $xy$. Let $U \hookrightarrow \mathbb{A}^{2}$ be the preimage $f^{-1}(\mathbb{A}^{2} \setminus \{0\})$ and $X:=f^{−1}(0 …
- 103