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Feb
21
comment Reference request: an algebraic stack whose closed points have no automorphisms is an algebraic space
It appears that the lemma you are referencing requires injectivity of automorphism group schemes for all geometric points, not just those mapping to closed points.
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Apr
7
comment Can we relate Cech cohomology and derived functor cohomology even when the cover we choose isn't nice?
Sounds like you're looking for the spectral sequence relating Cech cohomology and derived functor cohomology: en.wikipedia.org/wiki/…
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answered Query: Year of Death of Three Mathematicians
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11
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