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Mathematics
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sys.mirror
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question
8
About some details about the proof that real Lie algebra with positive Killing form is zero
Dec 2, 2017
question
8
On Atiyah-Macdonald Exercise 3.26
Aug 21, 2018
question
8
A question on Hartshorne Chapter III Proposition 2.6 [duplicate]
Nov 7, 2018
question
7
On Atiyah-Macdonald, Exercise 1.22 [duplicate]
Jun 13, 2018
question
7
Difference between several books on complex geometry
May 13, 2019
question
7
Show that for $a_i>0$ $\frac{a_1+\cdots+a_n}{n}$ converges to $0$ if and only if $\frac{a_1^2+\cdots+a_n^2}{n}$ converges to $0$.
Aug 14, 2017
question
6
How to resolve the singularity of $xy+z^4=0$?
May 23, 2016
question
6
$A\otimes \mathbf{Q}\cong B\otimes \mathbf{Q}$ implies $A$ and $B$ are $\mathcal{C}$-isomorphic
Apr 24, 2019
question
6
An inequality about linear PDE
Dec 14, 2018
question
5
Do adjoint functors "preserve" commutative diagrams?
Feb 5, 2017