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Cihan's user avatar
Cihan's user avatar
Cihan
  • Member for 14 years, 1 month
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20
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26
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Top posts

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18
Is the group $\mathrm{Gal}(\mathbb{C}/\overline{\mathbb{Q}})$ known?
Dec 17, 2024
14
When does an open manifold admit two linearly independent vector fields?
Jun 27, 2020
11
Is every open topological $d$-manifold homotopy equivalent to a CW-complex of dimension $\leq d-1$?
Jul 11, 2020
11
Is every open topological $d$-manifold homotopy equivalent to a CW-complex of dimension $\leq d-1$?
Jul 13, 2020
10
Is there a closed non-smoothable 4-manifold with zero Euler characteristic?
Sep 27, 2018
9
Does the Serre spectral sequence of the Fadell-Neuwirth fibration collapse if there is a cross-section?
Jul 26, 2018
9
Is $\beta^{*}(w_{2k-2}) = 0$ for an open orientable $2k$-manifold?
Jul 2, 2020
9
When does the diagonal cohomology class of a non-compact oriented manifold vanish?
Mar 3, 2022
9
Why the stable module category?
May 4, 2023
8
Obstructions for the lifting problem after a pull-back
Jul 25, 2018

Top network posts

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29
Proofs of Sylow theorems
28
For which categories we can solve $\text{Aut}(X) \cong G$ for every group $G$?
11
Different definitions of projective objects
10
Ring homomorphisms which yield same endomorphisms on modules
9
No simple group of order $96$