Tour
About Us
Meta
Loading…
Log in
current community
Stack Exchange
chat
Meta Stack Exchange
your communities
Sign up
or
log in
to customize your list.
more stack exchange communities
company blog
Stack Exchange
All Sites
Top Users
Digests
Reza
top
accounts
reputation
activity
bookmarks
subscriptions
Top Questions
7
votes
The orbit space $\dfrac{\mathbb{R}^n}{\mathbb{R}^+}$ has an open subset homeomorphic to $S^{n-1}$
differential-geometry
manifolds
topological-groups
asked Jan 1 at 10:04
math.stackexchange.com
7
votes
Put line segment the way they cover end points
mathematics
geometry
asked Jan 6 at 6:42
puzzling.stackexchange.com
7
votes
Cat and Mice puzzle!
geometry
graph-theory
puzzle
asked Jan 6 at 13:04
math.stackexchange.com
6
votes
Last digit in $\sum_{k=1}^{999}k^m$ (olympiad question)
algebra-precalculus
elementary-number-theory
contest-math
decimal-expansion
asked Oct 27 '20 at 7:31
math.stackexchange.com
5
votes
An olympiad question on numbers
elementary-number-theory
contest-math
recreational-mathematics
asked Nov 3 '20 at 14:53
math.stackexchange.com
Top Answers
No answers with score of 5 or more
Stack Exchange works best with JavaScript enabled