Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

  7. current community

    your communities

    more stack exchange communities

    company blog
Mathematics
Meta User
Network Profile
59,481
reputation
4
103
210

Zhen Lin

Apparently, this user prefers to keep an air of mystery about them.

977
answers
99
questions
~913k
people reached
  • Member for 7 years, 9 months
  • 17,418 profile views
  • Last seen Nov 27 '16 at 12:19

Communities (11)

Top Meta Posts
3
3

Top Network Posts

Top Tags (252)

Score 2,086
Posts 523
Posts % 49
Score 572
Posts 147
Score 411
Posts 87
Score 289
Posts 70
Score 284
Posts 85
Score 246
Posts 68
View all tags →

Top Posts (1,076) All Questions Answers | Votes Newest

65 Simplicial homology of real projective space by Mayer-Vietoris Mar 14 '11
65 Sheaf cohomology: what is it and where can I learn it? Jul 31 '11
63 Why did my friend lose all his money? Aug 28 '12
63 What concept does an open set axiomatise? Apr 9 '11
39 In set theory, how are real numbers represented as sets? Sep 8 '11
38 What are the Axiom of Choice and Axiom of Determinacy? Jul 20 '11
36 Why must we distinguish between rational and irrational numbers? Dec 9 '12
35 Proving the snake lemma without a diagram chase Oct 22 '11
34 Quotient objects, their universal property and the isomorphism theorems Sep 1 '11
34 Understanding Ramification Points May 29 '12
View all questions and answers →

Badges (317)

Gold

4

Rarest

Silver

103

Rarest

Bronze

210

Rarest

View all badges →