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
MathOverflow
Questions
Tags
Users
Badges
Unanswered
Ask Question
Profile
Activity
Shahrooz Janbaz
Network Profile
Reputation
1,331
1.3k
1.1k
953
Feb
May
Aug
Nov
Top tag
graph-theory
Next privilege
2,000 Rep.
Edit questions and answers
Badges
1
4
20
Newest
Popular Question
Next badge
18/5
Curious
Impact
~
71k
people reached
2 posts edited
0 helpful flags
107 votes cast
summary
answers
questions
tags
badges
favorites
bounties
reputation
all actions
40
Answers
newest
activity
votes
23
Not especially famous, long-open problems which anyone can understand
Jun 22 '12 at 21:50
17
Where is number theory used in the rest of mathematics?
Mar 9 '12 at 19:10
10
Will quantum computing kill cryptography ?
Apr 20 '13 at 19:34
7
Does the Alternating group of degree $n>7$ have exactly one irreducible character of degree $n-1$?
Nov 9 '13 at 21:25
6
How many triangles can a connected graph with $n$ vertices and $m$ edges have?
Jun 26 at 11:33
5
Effects of many degree-2 variable nodes in the Tanner graph during the decoding of LDPC codes
Aug 23 at 7:05
4
Important formulas in Combinatorics
Aug 17 at 18:49
4
Math books for advanced high school students
Nov 5 '14 at 13:52
4
normalized laplacian spectrum of trees
Sep 29 '13 at 8:35
4
What are the major open problems in design theory nowaday?
Jan 10 '13 at 20:10
3
Maximum and minimum diameter of categorical graph product
Aug 31 at 12:07
3
How networks with high largest eigenvalues are more robust?
Jun 14 at 8:55
3
Non-DS circulant graphs
Sep 16 '14 at 10:39
3
Quantum algorithms for dummies
May 3 '13 at 18:03
3
Interesting applications of the Pigeon-hole Principle
Jan 26 '12 at 9:15
3
How might M.C. Escher have designed his patterns?
Jan 2 '12 at 19:41
2
Advice for PhD Supervisors
Sep 14 at 19:30
2
Integral roots of circulant matrix
Aug 19 at 6:24
2
Reflexive (hyperbolic) graphs
Jan 9 '14 at 17:41
2
How does the work of a pure mathematician impact society?
Jul 19 '13 at 9:40
2
Ramsey numbers and graph spectra
Apr 23 '13 at 16:31
2
Difference of the maximum eigenvalue of a graph with the one of one-edge-deleted subgraph
Dec 17 '12 at 21:49
2
The generator polynomial of cyclic code
Dec 16 '11 at 23:25
2
Good programs for drawing graphs ( directed weighted graphs )
Dec 16 '11 at 15:32
1
Finite groups with elements of order n
Sep 27 at 10:12
1
Open problems with monetary rewards
Dec 17 '14 at 18:07
1
Largest eigenvalue adjacency matrix-link deletion
Aug 25 '14 at 20:53
1
Cospectrality and dimension of graphs
Aug 12 '14 at 21:01
1
Properties of Graphs with an eigenvalue of -1 (adjacency matrix)?
Jan 9 '14 at 18:32
1
Are there proofs that you feel you did not “understand” for a long time?
May 17 '13 at 13:13
MathOverflow works best with JavaScript enabled