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HeinrichD
  • Member for 8 years, 3 months
  • Last seen more than 4 years ago
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answer
23
Is this proof of union closed set conjecture verified?
Apr 2, 2017
question
23
Locales as geometric objects
Sep 19, 2016
question
19
How to construct a constructive proof from a non-constructive proof using prime ideals?
Sep 14, 2016
question
17
Constructive proof that a kernel consists of nilpotent elements
Sep 16, 2016
question
17
The possible degrees of $\mathbb{Q}(a,b)$ in terms of the degrees of $a$ and $b$
Oct 31, 2017
question
17
Classification of non-Hausdorff topological vector spaces
Apr 3, 2017
question
14
Arrangement of the introduction of a paper
Nov 10, 2016
answer
12
Is $G$ always the automorphism group of the trivial $G$-torsor?
Dec 8, 2016
answer
12
$\mathbb{G}_m$-torsors and line bundles
Nov 7, 2016
answer
12
Is the coordinate ring of a variety a finitely generated algebra?
Oct 21, 2016
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16
Example of a functor preserving only finite coproducts
16
The possible degrees of $\mathbb{Q}(a,b)$ in terms of the degrees of $a$ and $b$
15
There are $10$ commutative rings of order $8$
12
How to prove that a ring $R$ is Morita-equivalent to $M_n(R)$?
8
Example of a functor preserving only finite coproducts