Mathematics
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johnnycrab
  • Member for 8 years, 7 months
  • Last seen more than a week ago
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All Questions Answers
Score Newest
answer
18
RQ decomposition
Feb 4, 2016
answer
7
Show $\begin{pmatrix} 5 & 1 \\ -6 & 0 \end{pmatrix}$ and $\begin{pmatrix} 7 & -5 \\ 4 & -2 \end{pmatrix}$ are similar.
Mar 25, 2016
question
6
Non-zero-divisor in quotient ring: Not a unit over minimal prime?
Jun 10, 2019
question
5
Cancellation in quotient of fractional ideals
Nov 11, 2016
answer
5
Computing the derivative of a matrix-vector dot product
Feb 18, 2018
question
5
Proving 20-th cyclotomic field has class number one.
Jan 17, 2017
question
4
$p$ prime, $G$ group of order $2p$, normal subgroup $N$ of order $2$. Show that $G$ is Abelian.
Oct 24, 2015
question
4
Sheafification of presheaf with support is equal to sheafification with support?
Sep 3, 2019
answer
4
Tensor product that is not $0$
Apr 11, 2018
question
4
Kapranov's Theorem for tropical hypersurfaces: Understanding closure
Mar 28, 2017
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47
Limiting results in MongoDB but still getting the full count?
27
Phantom JS synchronous AJAX request : NETWORK_ERR: XMLHttpRequest Exception 101

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