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Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.

2 votes
0 answers
228 views

Stratification of Grassmanian by coordinate hyperplanes

I'm interested in what is known about the stratification of the Grassmanian induced by the coordinate hyperplanes in the Plucker embedding. More specifically, if we view the projective space as a tor …
2 votes
1 answer
276 views

Are schemes which agree on open set and its complement equal? - w/ applications to initial i...

I appreciate the comments so far and am modifying based on something closer to the problem I'm interested in. I started out with something far too general. This is probably easy, but I have been awa …