Mathematics
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Zhen Lin

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

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  • Member for 8 years, 7 months
  • 18,823 profile views
  • Last seen Nov 27 '16 at 12:19

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

71 What concept does an open set axiomatise? Apr 9 '11
69 Sheaf cohomology: what is it and where can I learn it? Jul 31 '11
64 Why did my friend lose all his money? Aug 28 '12
64 Simplicial homology of real projective space by Mayer-Vietoris Mar 14 '11
42 Proving the snake lemma without a diagram chase Oct 22 '11
42 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
37 Understanding Ramification Points May 29 '12
36 Why must we distinguish between rational and irrational numbers? Dec 9 '12
36 Quotient objects, their universal property and the isomorphism theorems Sep 1 '11
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