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Zhen Lin's user avatar
Zhen Lin's user avatar
Zhen Lin
  • Member for 14 years, 11 months
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#51 this year
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question
130
What concept does an open set axiomatise?
Apr 9, 2011
question
101
Sheaf cohomology: what is it and where can I learn it?
Jul 31, 2011
answer
74
Why did my friend lose all his money?
Aug 28, 2012
question
70
Simplicial homology of real projective space by Mayer-Vietoris
Mar 14, 2011
answer
60
Why is the category of fields seemingly so poorly behaved?
Jul 14, 2020
answer
56
Understanding Ramification Points
May 29, 2012
answer
56
What is the 'implicit function theorem'?
Mar 10, 2011
answer
55
What are differences between affine space and vector space?
Aug 1, 2014
answer
54
Is Zorn's lemma required to prove the existence of a maximal atlas on a manifold?
Sep 22, 2011
answer
53
Zero probability and impossibility
May 24, 2011

Top Meta posts

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60
Are we closing short questions too hastily?
17
Should chat have TeX support?
6
Firefox 4 and MathJax \not
6
Mistagged algebraic-geometry questions
5
Tag rename request: (synthetic-differential) to (synth-differential-geometry)

Top network posts

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43
TOC entries and labels for included PDF pages
35
Is there a good general definition of "sheaves with values in a category"?
34
What is the theory of local rings and local ring homomorphisms?
30
Distinguishing certain characters in handwriting and print (Similar-looking Kana and Kanji)
30
How many Kanji characters are there?