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Results tagged with descent
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user 80467
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When can a scheme be recovered from its descent groupoid?
Then we may consider the descent groupoid $\Gamma_0 = X$ and $ \Gamma_1 = X \times_{Y} X $ with source and target maps $ s,t\colon\Gamma_1 \rightrightarrows \Gamma_0$ given by the two projections (so for …
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