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Mathematics
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Cubic Bear
  • Member for 7 years, 9 months
  • Last seen more than a week ago
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Top posts
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26
Can "Taking algebraic closure" be made into a functor?
Jul 22, 2019
8
How to prove $\{1,\sqrt[3]{2},\sqrt[3]{4}\}$ is an integral basis of $\mathbb{Q}(\sqrt[3]{2})$
Oct 24, 2017
8
Is there any elementary solution for this problem on colored interval?
Feb 17, 2019
7
How does Schur determine Galois groups of truncated exponential series?
Jun 10, 2018
6
Can we recover a compact smooth manifold from its ring of smooth functions?
Oct 8, 2018
6
Let $G$ be a group and $x$ be a fixed element of $G$. Prove that $G$ is a group under the operation $*$ where $a*b=axb$
Sep 8, 2017
5
Does there exist a side-rational triangle of area $1$?
Aug 18, 2017
5
Any references for Wall's Lemma of exactness?
Aug 20, 2018
5
The interval $[0,1]$ is not the disjoint countable union of closed intervals.
Jun 22, 2018
4
Is there strict 2-to-1 continuous map from $D^2\to D^2$?
Oct 23, 2019
Top network posts
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8
Fermat's Last Theorem in finite fields
8
Ideals generated by regular sequences
8
Equivariant (co)homology of flag manifolds, convolution algebra and nil hecke algebra?
7
Geometric foundation of the Grothendieck polynomials
6
Conceptual proof of braid group actions on quantum groups