Mathematics
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All Questions Answers
Score Newest
question
39
Why is the commutator defined differently for groups and rings?
Jun 29, 2015
answer
10
How to formalise: There are no geniuses but Newton was a genius
Jan 22, 2017
answer
8
Mathematical Operator to flip a vector
Jun 26, 2015
question
7
Why is this not a well-defined $\Delta$-complex of the torus?
Oct 21, 2015
question
7
Why can't the ratio test be used for geometric series?
Sep 6, 2017
question
7
Why is $\mathbb{Z}[1/p]$ the direct limit of $\mathbb{Z}\xrightarrow{p}\mathbb{Z}\xrightarrow{p}\mathbb{Z}\to...$?
Dec 6, 2015
answer
6
Probability of 'same lottery numbers drawn twice'?
Jul 12, 2015
answer
6
Powers of a $2 \times 2$ matrix
Jul 17, 2015
question
5
$\text{Ext}(H, \mathbb{Z})$ is isomorphic to the torsion subgroup of $H$ if $H$ is finitely generated
Nov 28, 2015
question
5
Stratonovich integral and chain rule
Sep 26, 2016
Top network posts
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33
Drawing tree-like symbols
8
Should I put an apostrophe to indicate a plural or past tenses?
8
Drawing a sphere with a circumference not around the equator
7
Do Hotel receipts in England show number of guests?

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