Mathematics
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Currently a Ritt Assistant Professor at Columbia. I study things related to the moduli space of Riemann surfaces, especially from the point of view of the mapping class group.

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Top posts (66) All Questions Answers | Votes Newest

26 Real projective space, the quotient map and covering projection Jan 18 '12
20 A question about groups: may I substitute a binary operation with a function? Jan 7 '12
19 What are the interesting applications of hyperbolic geometry? Dec 23 '11
14 How can I find the number of the shortest paths between two points on a 2D lattice grid? Jan 29 '12
14 What facts about the weak topology fail in spaces that aren't Banach? Jan 17 '12
12 Intersection of subgroups of orders 3 and 5 is the identity Jan 16 '12
12 Covering spaces - why are they useful? Dec 31 '11
12 Showing that the product of all $n$th Roots of Unity is $(-1)^{n+1}$ Mar 2 '12
9 Endomorphisms of $V$ and the dual space Feb 1 '12
9 Can somebody explain the plate trick to me? Nov 19 '10
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