Skip to main content
Physics
Willie Wong's user avatar
Willie Wong's user avatar
Willie Wong's user avatar
Willie Wong
  • Member for 13 years, 7 months
  • Last seen more than a week ago
Profile Activity
Stats
5,267
reputation
186k
reached
61
answers
0
questions
Communities
View all
About

Mathematician

Badges
View all badges
1
gold badge
30
silver badges
41
bronze badges
Top tags
View all tags
208
Score
27
Posts
44
Posts %
102
Score
8
Posts
13
Posts %
95
Score
12
Posts
20
Posts %
72
Score
9
Posts
15
Posts %
59
Score
4
Posts
7
Posts %
35
Score
6
Posts
10
Posts %
Top posts
View all questions and answers
34
What is known about the topological structure of spacetime?
Dec 13, 2010
32
What is the logarithm of a kilometer? Is it a dimensionless number?
Aug 2, 2011
32
Mathematically-oriented Treatment of General Relativity
Sep 23, 2011
31
Can a black hole be formed by electromagnetic radiation?
Aug 28, 2011
22
Importance of Killing vector fields
Oct 15, 2012
20
How is it possible for astronomers to see something 13B light years away?
Jul 2, 2011
18
Why do objects follow geodesics in spacetime?
Apr 25, 2012
16
Nature of spacetime 4-vector and tangent space?
Jun 17, 2011
15
Orientability of spacetime
Aug 31, 2011
14
Why is an Aircraft Runway NOT like a Teaspoon?
Jul 12, 2012
Top Meta posts
1
2
7
Is a shopping advice request off-topic in any case?
6
How can I find recent changes, or what does active mean?
4
Posting an answer after a question is closed and migrated?
Top network posts
View all network posts
618
Is there a bijection of $\mathbb{R}^n$ with itself such that the forward map is connected but the inverse is not?
271
Open problems in General Relativity
170
What's the best way to write e-mail addresses?
155
Does there exist a bijection of $\mathbb{R}^n$ to itself such that the forward map is connected but the inverse is not?
142
Mathematical precise definition of a PDE being elliptic, parabolic or hyperbolic