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Results tagged with ag.algebraic-geometry
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user 26208
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
2
votes
Examples of Richardson orbit closures not having a symplectic resolution?
Just adding a reference to the literature where this question seems to have cropped up :
"Calculating canonical distinguished involutions in the affine Weyl groups" - Chmutova, Ostrik (pdf)
They ph …
- 1,073
4
votes
2
answers
723
views
Whitney Conditions vs Equisingularity
In studying singular spaces, it is often important to pick an appropriate stratification which encodes the singularity structure. One class of such stratifications are called "Whitney stratifications" …
- 1,073
5
votes
0
answers
294
views
Bundles as Extensions and Jump Phenomena
Let $C$ be a Riemann Surface of genus $g \geq 2$. Consider a Vector Bundle of rank $r$ and degree $d$ on $C$. It is often convenient to construct such a Vector Bundle as an extension
\begin{equation} …
- 1,073
3
votes
Kazhdan Lusztig map and Richardson orbits
This is a very nice line of thinking! But I think the question, as stated, is imprecise.
As is correctly pointed out in the question, the KL map takes you from nilpotent orbits in $\mathfrak{g}$ to …
- 1,073