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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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27 What is the theory of local rings and local ring homomorphisms? Feb 28 '12
23 Axiom of choice as zero dimensionality Dec 30 '15
19 Is there a monad on Set whose algebras are Tychonoff spaces? Jun 28 '13
19 Is the category commutative monoids cartesian closed? Jul 12 '13
18 What are finite homotopy types? Jul 16 '13
18 A model category of abelian categories? May 11 '15
17 Category and the axiom of choice Jan 21 '13
17 Are there non-categorical notions in topos theory? Apr 4 '13
16 Why the reflection rule trivializes higher paths in Martin-Löf Extensional Type theory? Feb 2 '16
15 Can the Category of Schemes be Concretized? Mar 18 '14
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