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Results tagged with torus-action
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user 88385
8
votes
2
answers
233
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Linearization of hamiltonian torus action
Let $(M,\omega)$ be a symplectic manifold with a hamiltonian effective torus action. Suppose it has an isolated fixed point $p$. Is it true that there exists an invariant neighborhood $U$ of $p$ such …
- 2,305
1
vote
2
answers
250
views
Action of $\mathbb C^*$ on a closed orbit of a torus
Let $\varphi\colon (\mathbb C^*)^m\times\mathbb A^n\to\mathbb A^n$ be an algebraic effective action of a torus on affine space and $X$ be a Zariski closure of an orbit of this action. Suppose we also …
- 2,305