MathOverflow
Zhen Lin's user avatar
Zhen Lin's user avatar
Zhen Lin's user avatar
Zhen Lin
  • Member for 12 years, 5 months
  • Last seen this week
Profile Activity
Stats
14,511
reputation
196k
reached
134
answers
34
questions
Communities
View all
Badges
View all badges
1
gold badge
40
silver badges
78
bronze badges
Top tags
View all tags
722
Score
121
Posts
72
Posts %
177
Score
28
Posts
17
Posts %
112
Score
24
Posts
14
Posts %
109
Score
24
Posts
14
Posts %
106
Score
16
Posts
10
Posts %
67
Score
23
Posts
14
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
32
What is the theory of local rings and local ring homomorphisms?
Feb 28, 2012
question
25
Is there a good general definition of "sheaves with values in a category"?
Apr 5, 2021
answer
23
Can the Category of Schemes be Concretized?
Mar 18, 2014
question
23
Are there axioms satisfied in commutative rings and distributive lattices but not satisfied in commutative semirings?
Sep 10, 2020
answer
23
Axiom of choice as zero dimensionality
Dec 30, 2015
answer
22
Is the category commutative monoids cartesian closed?
Jul 12, 2013
answer
22
Sheaf-theoretic approach to forcing
Mar 4, 2021
answer
21
When is the opposite of the category of algebras of a Lawvere theory extensive?
Dec 29, 2021
question
20
Connected and locally connected, but not path-connected
Oct 16, 2013
answer
20
Is there a monad on Set whose algebras are Tychonoff spaces?
Jun 28, 2013
Top network posts
View all network posts
115
What concept does an open set axiomatise?
89
Sheaf cohomology: what is it and where can I learn it?
70
Why did my friend lose all his money?
69
Simplicial homology of real projective space by Mayer-Vietoris
56
Why is the category of fields seemingly so poorly behaved?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.