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The algebraic fundamental group of a reductive group scheme over an arbitrary base scheme |
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| Authors: | Mikhail Borovoi Cristian D González-Avilés |
| Institution: | 1. Raymond and Beverly Sackler School of Mathematical Sciences, Tel Aviv University, Ramat Aviv, 69978, Tel Aviv, Israel 2. Departamento de Matemáticas, Universidad de La Serena, Cisternas 1200, La Serena, 1700000, Chile |
| Abstract: | We define the algebraic fundamental group π 1(G) of a reductive group scheme G over an arbitrary non-empty base scheme and show that the resulting functor G? π1(G) is exact. |
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