Mathematics
Jack Lee's user avatar
Jack Lee's user avatar
Jack Lee's user avatar
Jack Lee
  • Member for 13 years, 3 months
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(Officially John M. Lee.) Professor Emeritus of math at University of Washington, Seattle; author of Introduction to Topological Manifolds, Introduction to Smooth Manifolds, Introduction to Riemannian Manifolds, and Axiomatic Geometry.

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All Questions Answers
Score Newest
answer
226
Lee, Introduction to Smooth Manifolds Solutions
Apr 12, 2014
answer
119
Properly discontinuous action: equivalent definitions
Dec 28, 2014
answer
83
What is the flaw of this proof (largest integer)?
Feb 9, 2016
answer
60
In a metric space X, if A is connected, is its interior connected?
Jan 9, 2017
answer
54
Why is there no natural metric on manifolds?
Aug 25, 2014
answer
45
Reading list of differential geometry **papers**
Dec 17, 2013
answer
44
Clarification of notion of proper group action.
Oct 24, 2014
answer
44
I don't get the relationship between differentials, differential forms, and exterior derivatives.
May 12, 2015
answer
36
Explain densities to me please!
Mar 29, 2015
answer
35
Interior and boundary points of $n$-manifold with boundary
Jan 21, 2012
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Can't login with google on ios app
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Demonstrating that rigour is important
41
What are some correct results discovered with incorrect (or no) proofs?
17
Lie group actions and f-relatedness
16
Which Riemannian manifolds admit a finite dimensional transitive Lie group action?
13
edges minus vertices

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