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Denis T.
  • Member for 6 years, 7 months
  • Last seen this week
  • Moscow, Russia
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About

I like crazy theories, even if they don't work. Mainly interested in connections between algebraic topology, group theory, geometric structures on spaces, various generating functions, serial murders and conspiracy theories.

email denis.thn@gmail.com

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Top posts
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All Questions Answers
Score Newest
answer
35
Mistakes in Bredon's book "Topology and Geometry"?
Jan 24, 2019
answer
17
Is the decomposition of the homotopy type of a complex into a bouquet unique?
Apr 11
answer
14
Which abelian groups are $\varprojlim^1$ groups?
Oct 9, 2020
question
13
Example of a ring with non-finitely generated unit group?
Jul 5, 2018
answer
12
Are the rationals definable in any number field?
Mar 28, 2018
answer
11
Hopf algebra with a non-invertible antipode
Mar 6
answer
9
Dimension of classifying space of a group
Oct 9, 2020
answer
9
Is there a compact complex manifold with $b_1(X)=b_2(X)=b_3(X)=b_4(X)=0$?
Dec 31, 2021
question
9
"Exactness" of operadic cohomology
Oct 31, 2018
question
9
(Torsion in) homology of free nilpotent groups
Dec 21, 2017
Top network posts
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15
Why is it that if a ring is simple, its center must be a field?
8
Reference for group cohomology
6
Homomorphisms of $\mathbb{F}_2$ that preserve $aba^{-1}b^{-1}$
6
Classification of homology 5-spheres
6
G be a finite group and H be a non trivial proper subgroup of index 3, then G is not simple.

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