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KReiser
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PhD in Algebraic Geometry.

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61
Computing the homology and cohomology of connected sum
Aug 27, 2012
28
What is an algebraic variety?
Dec 30, 2019
27
Fundamental group of the connected sum of manifolds
Sep 21, 2012
25
Theorems with an extraordinary exception or a small number of sporadic exceptions
Aug 24, 2012
21
Eckmann-Hilton and higher homotopy groups
Jun 22, 2012
20
When is the direct image functor exact?
Mar 10, 2017
20
Suppose A is an n-by-n matrix with its diagonal entries are n and other entries are one. Find determinant of A.
Jul 25, 2012
18
Why isn't every finite locally free morphism etale?
Dec 17, 2020
15
Derivations of Polynomial Algebra
Feb 25, 2012
15
Is exercise 1.10d from Hartshorne just entirely wrong or is it salvageable in any non-trivial way?
Sep 10, 2022
Top Meta posts
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Is it ok to erase an answer that is extremely vulgar by editing it?
46
Can I post a 'homework' question without any MathJax/Latex.
41
What is our policy on AI-generated content?
26
User answering poor question while also voting to close
21
Improving other's questions via adding solution attempts in the question
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Planned maintenance scheduled for Friday, March 18th, 00:30-2:00 UTC (Thursday, March 17th, 8:30-10:00 PM EDT)
18
New responsive Activity page
16
Hochschild Cohomology of Differential Operators in characteristic 0
13
Proving algebraicity of compact Riemann surfaces without Chow's theorem
9
Why is the superbone not used more often?