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Results tagged with ag.algebraic-geometry
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user 68215
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
2
votes
2
answers
485
views
Nontrivial Analytic Varieties
In short, I'd like to know the following:
Is there an irreducible analytic variety that has to be defined by at least two distinct sets of holomorphic functions?
Are there two irreducible analytic v …
- 517
37
votes
6
answers
6k
views
Why study Higher Sheaf Cohomology?
The classical lore is that $H^1(X,\mathcal F)$ is obstruction to lifting local data to global data. However I don't understand why one would want to compute $H^3(X,\mathcal F), H^4(X,\mathcal F), \cdo …
- 517