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Lee Mosher
  • Member for 9 years, 10 months
  • Last seen this week
  • Rutgers University, Newark
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About

Mathematics professor at Rutgers University in Newark. Researcher in Topology, Geometry, and Geometric Group Theory. Currently specializing in the large scale geometry of $Out(F_n)$, the outer automorphism group of a free group of finite rank $n$.

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51
When has discrete understanding preceded continuous?
May 29 '17
39
Conjugacy classes of $\mathrm{SL}_2(\mathbb{Z})$
Apr 13 '16
36
Connected sum of topological manifolds
Feb 12 '13
34
Why are free objects "free"?
Oct 29 '17
33
Is rigour just a ritual that most mathematicians wish to get rid of if they could?
Apr 25 '13
27
Occurrences of (co)homology in other disciplines and/or nature
May 20 '12
25
Kirby's Torus Trick
Mar 2 '17
22
Instances where an existence result precedes the constructive version
Aug 15 '12
20
Actions on Sⁿ with quotient Sⁿ
Jul 25 '12
20
Manifolds with two coordinate charts
Dec 28 '12
Top network posts
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52
What is the point of teaching variance?
38
Why is Rationals w.r.t addition not an Isomorphism to Rationals w.r.t. multiplication?
37
In the United States, how do you get car insurance (auto liability) which is valid no matter what car you are driving?
35
Why are primes considered to be the "building blocks" of the integers?
31
Repeatedly taking differences on a polynomial yields the factorial of its degree?

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