Mathematics
Mark Murray's user avatar
Mark Murray's user avatar
Mark Murray's user avatar
Mark Murray
  • Member for 3 years, 4 months
  • Last seen more than 2 years ago
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43
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Top posts
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All Questions Answers
Score Newest
question
6
Root space decomposition of $C_n=\mathfrak{sp}(2n,F)$
Jul 24, 2020
question
5
Atiyah-Macdonald: Exercise 1.8
Sep 15, 2020
question
5
Understanding viewing $M$ as both an $A$ and $B$ module
Feb 3, 2021
question
5
Well definedness of $p:\mathbb{Z}/\gcd(m,n)\mathbb Z\rightarrow P$, universal property of the tensor product.
Feb 3, 2021
question
3
Center of of a subalgebra of a lie algebra: Under what conditions is $Z(\mathfrak{h})=Z(\mathfrak{g})\cap \mathfrak{h}$
Jul 22, 2020
question
3
Atiyah-MacDonald Ex 2.10
Feb 4, 2021
question
3
Is $\mathbb Q[[x]]$ compact with the $(x)$-adic topology?
Dec 18, 2020
question
2
Rootspaces are $\mathop{ad}$ nilpotent
Jul 24, 2020
question
2
Covering spaces and fibre bundles, using the of $SU(2)$ and $SO(3)$
Jul 28, 2020
question
2
Why is $L$ a sum of root spaces $L_\alpha$?
Aug 14, 2020
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12
Maximum amount of the Letter-Number-game

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