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aglearner
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It is great to learn maths on this website.

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question
215
How to memorise (understand) Nakayama's lemma and its corollaries?
Apr 12, 2011
question
191
Great graduate courses that went online recently
Jan 11, 2021
question
74
Is there a "geometric" intuition underlying the notion of normal varieties?
Oct 11, 2012
question
55
Examples in mirror symmetry that can be understood.
Mar 6, 2011
question
28
Lunch seminars for PhD students
Oct 15, 2021
question
22
A finitely generated $\mathbb{Z}$-algebra that is a field has to be finite
Mar 5, 2011
question
19
The geometric median of a triangle
Jun 1, 2016
question
18
The group of isometries of a manifold is a Lie group, isn't it?
Nov 2, 2020
question
17
Rigidity of convex polyhedrons in $\mathbb R^3$ with faces removed
Oct 18, 2017
question
17
Explaining the concept of projective space: notes for students
Feb 7, 2012
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12
Binary quadratic forms over Z and class numbers of quadratic fields.
9
Nice exercises on Hilbert's basis theorem
9
Is it true that an ideal is primary iff its radical is prime?
8
Killed in battle / Killed in a battle?
8
It is important that each player not know

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