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user302934
  • Member for 4 years, 3 months
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question
8
Two different spin structures of the real projective space $\Bbb RP^3$
Feb 22, 2023
question
7
Lens space bounding a topological, simply-connected 4-manifold with $b_2=1$
Dec 21, 2022
question
6
4-manifold obtained from a ribbon disk exterior by attaching a 2-handle is simply-connected if its boundary is a homology sphere
Jun 14, 2022
question
6
Two surfaces in a 4-manifold whose algebraic intersection number is zero
Nov 3, 2022
question
5
Codimension inequality of prime ideal in a regular local ring
Apr 20, 2022
question
5
Is there a way to calculate the Froyshov $h$-invariant for Seifert homology spheres?
Oct 19, 2022
question
4
Homology classes in connected sum of $\Bbb CP^2$'s that can be represented by smoothly embedded spheres
Oct 31, 2022
question
4
Fundamental group of the smooth locus of a normal algebraic surface is a quotient of that of a Zariski open subset
Sep 22
question
3
Integral homology $S^1\times S^2$'s smoothly bounding integral homology $S^1\times B^3$'s
Jun 12, 2022
question
3
Fixed point formula of Atiyah and Singer applied to a Dirac operator on a spin manifold
May 7