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Results tagged with rigidity
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user 1310
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Which mapping class group representations come from algebraic geometry?
Let $\Gamma_g$ be the mapping class group of a closed oriented surface $\Sigma$ of genus $g$. There is a natural surjection $t \colon \Gamma_g \to \mathrm{Sp}(2g,\mathbf Z)$ which sends a mapping clas …
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