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Results tagged with ag.algebraic-geometry
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user 4991
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
2
votes
0
answers
546
views
Ring objects in the category of cocommutative coalgebras (aka Hopf rings).
I have recently been doing some calculations in topology which are naturally expressed in terms commutative ring objects in the category of cocommutative coalgebras. These have been studied for quite …
- 4,990
9
votes
how do you visualize characteristic class?
This is a variation on standard answers (to this standard question). I'll start with a bit of philosophy since you mentioned different ways to think of cohomology. Singular cohomology is fairly "tra …
- 4,990