MathOverflow
Jack Lee's user avatar
Jack Lee's user avatar
Jack Lee's user avatar
Jack Lee
  • Member for 13 years, 3 months
  • Last seen this week
Profile Activity
Stats
1,490
reputation
78k
reached
15
answers
0
questions
Communities
About

(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.

Badges
View all badges
This user doesn’t have any gold badges yet.
12
silver badges
16
bronze badges
Top tags
View all tags
81
Score
9
Posts
60
Posts %
26
Score
3
Posts
20
Posts %
22
Score
2
Posts
13
Posts %
17
Score
2
Posts
13
Posts %
17
Score
1
Posts
7
Posts %
16
Score
1
Posts
7
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
71
Demonstrating that rigour is important
Sep 3, 2010
answer
40
What are some correct results discovered with incorrect (or no) proofs?
Jun 11, 2010
answer
17
Lie group actions and f-relatedness
Jul 13, 2010
answer
16
Which Riemannian manifolds admit a finite dimensional transitive Lie group action?
Sep 4, 2010
answer
13
edges minus vertices
Sep 28, 2010
answer
12
What is the characteristic property of surjective submersions?
Jan 24, 2013
answer
11
Does this PDE only have the trivial solution?
Oct 3, 2015
answer
10
Is there a Whitney Embedding Theorem for non-smooth manifolds?
Aug 5, 2010
answer
8
Is a rhombus rigid on a sphere or torus? And generalizations
Sep 29, 2010
answer
8
Is the injectivity radius (semi) continuous on a non-complete Riemannian manifold?
Jul 9, 2019
Top network posts
View all network posts
225
Lee, Introduction to Smooth Manifolds Solutions
118
Properly discontinuous action: equivalent definitions
83
What is the flaw of this proof (largest integer)?
58
In a metric space X, if A is connected, is its interior connected?
53
Why is there no natural metric on manifolds?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.