Mathematics Educators
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a9qd0wf
  • Member for 5 years, 4 months
  • Last seen more than a month ago
  • Moscow, Russia
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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.

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36
Mistakes in Bredon's book "Topology and Geometry"?
17
Is the decomposition of the homotopy type of a complex into a bouquet unique?
15
Why is it that if a ring is simple, its center must be a field?
14
Which abelian groups are $\varprojlim^1$ groups?
13
Example of a ring with non-finitely generated unit group?

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