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Results tagged with dg.differential-geometry
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user 310
Complex, contact, Riemannian, pseudo-Riemannian and Finsler geometry, relativity, gauge theory, global analysis.
4
votes
Global proof of Serre duality
I thought I'd offer a high-tech alternative for certain varieties. If $X$ is smooth and projective over a field $k$ then Bondal and van den Bergh give a proof in Generators and representability of fun …
- 35.5k
3
votes
Are submersions of differentiable manifolds flat morphisms?
I have an idea for the case of a submersion - maybe it is nonsense but maybe not.
In the algebraic case of nonsingular varieties X,Y over an algebraically closed field one can check smoothness (which …
- 8,681