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Results tagged with ag.algebraic-geometry
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user 495308
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
7
votes
1
answer
670
views
Intuition for Luna's Étale Slice Theorem
I am trying to understand the intuition for Luna's Étale Slice Theorem in the affine setting over $\mathbb{C}$.
Here is the setup. Let $X$ be an affine algebraic variety and $G$ a reductive group acti …
- 83
1
vote
How do we define the type of a singularity on a cubic surface?
A reference is the following paper:
J.W. Bruce and C.T.C. Wall. "On the classification of cubic surfaces", J. London
Math. Soc. 19 (1979) no. 2, 245–256, https://doi.org/10.1112/jlms/s2-19.2.245
- 83