current community
chat
MathOverflow
MathOverflow Meta
your communities
Sign up
or
log in
to customize your list.
more stack exchange communities
company blog
Stack Exchange
Inbox
Reputation and Badges
sign up
log in
tour
help
Tour
Start here for a quick overview of the site
Help Center
Detailed answers to any questions you might have
Meta
Discuss the workings and policies of this site
About Us
Learn more about Stack Overflow the company
Business
Learn more about hiring developers or posting ads with us
MathOverflow
Questions
Tags
Users
Badges
Unanswered
Ask Question
Profile
Activity
Meta User
Network Profile
394
reputation
1
8
wspin
Apparently, this user prefers to keep an air of mystery about them.
3
answers
3
questions
~2k
people reached
Member for
3 years, 6 months
151 profile views
Last seen
Oct 14 '15 at 6:58
Communities
(4)
Mathematics
1.1k
1.1k
3
15
MathOverflow
394
394
1
8
Stack Overflow
103
103
3
Physics
101
101
Top Network Posts
6
Prove the curvature of a level set equals divergence of the normalized gradient
View more network posts →
Top Tags
(9)
isometries
Score
11
Posts
5
Posts %
83
metricspaces
Score
10
Posts
3
manifolds
Score
6
Posts
1
riemanniangeometry
Score
6
Posts
1
mg.metricgeometry
Score
4
Posts
2
at.algebraictopology
Score
1
Posts
2
View all tags →
Top Posts
(6)
All
Questions
Answers

Votes
Newest
19
If all balls at $x$ and $y$ are isometric is there an isometry sending $x$ to $y$?
Oct 6 '14
9
When is a continous $\epsilon$isometry of the sphere surjective?
Sep 11 '14
7
Is the tangent cone of a totally convex subset again totally convex?
Nov 22 '12
6
If all balls around two points are isometric… — manifold version
Oct 7 '14
4
GromovHausdorff convergence for noncompact metric spaces
Oct 14 '14
1
When is a continous $\epsilon$isometry of the sphere surjective?
May 8 '15
Badges
(9)
Gold
—
Silver
1
Rarest
Yearling
oct 6 '14
Bronze
8
Rarest
Organizer
oct 7 '14
Critic
oct 26 '14
Teacher
oct 7 '14
MathOverflow works best with JavaScript enabled