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

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  • Member for 9 years, 7 months
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80 What concept does an open set axiomatise? Apr 9 '11
75 Sheaf cohomology: what is it and where can I learn it? Jul 31 '11
67 Why did my friend lose all his money? Aug 28 '12
65 Simplicial homology of real projective space by Mayer-Vietoris Mar 14 '11
52 Why is the category of fields seemingly so poorly behaved? Jul 14
44 In set theory, how are real numbers represented as sets? Sep 8 '11
41 Proving the snake lemma without a diagram chase Oct 22 '11
38 What are differences between affine space and vector space? Aug 1 '14
38 What are the Axiom of Choice and Axiom of Determinacy? Jul 20 '11
38 Understanding Ramification Points May 29 '12
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