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Results tagged with schubert-varieties
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user 321
2
votes
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How to make Schubert calculus into a Hopf (actually a PCH) algbera?
If you're talking about Grassmannians, then you can use the direct sum maps
$Grass(k,n) \times Grass(k',n') \to Grass(k+k', n+n')$
to get the comultiplication. This induces a map on cohomology the o …
- 10.7k
5
votes
Accepted
What functor does a Schubert variety represent?
Everything you said should be fine. As for the case of not necessarily reduced schemes, we have to be careful, but I think the following will work.
Say E is our given vector bundle of rank n which i …
- 10.7k