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
Chris Godsil
Meta User
Network Profile
Reputation
8,770
8.8k
5.8k
2.9k
2012
2013
2014
2015
Top tag
graph-theory
Next privilege
10,000 Rep.
Access moderator tools
Badges
2
19
45
Newest
Yearling
Next badge
99/100
Proofreader
Impact
~
361k
people reached
6 posts edited
9 helpful flags
1,135 votes cast
summary
answers
questions
tags
badges
favorites
bounties
reputation
all actions
172
Answers
newest
activity
votes
90
Famous mathematical quotes
Nov 29 '09 at 22:54
26
The Matrix-Tree Theorem without the matrix
Aug 22 '11 at 12:18
18
Which graphs have incidence matrices of full rank?
Nov 15 '09 at 14:54
17
Are these three different notions of a graph Laplacian?
Nov 29 '14 at 4:26
17
A good book of functional analysis
Aug 9 '11 at 1:30
17
Are there any books that take a 'theorems as problems' approach?
Jan 24 '10 at 20:07
15
When the Lovász theta-function saturates its upper bound
Nov 18 '10 at 22:20
15
Beginning a sentence with a mathematical symbol
May 15 '10 at 23:00
14
roots of polynomials outside the unit disc
Jun 6 '11 at 17:24
14
code that produces all possible trees with n nodes.
Jan 18 '11 at 2:58
12
When (if ever) disclose your identity as a reviewer?
May 29 '12 at 23:03
12
Cayley graphs and its subgraphs
Jan 4 '12 at 19:10
12
Good combinatorics textbooks for teaching undergraduates?
Jun 22 '10 at 19:53
11
Endomorphisms and almost all graphs
Dec 14 '14 at 17:13
11
The line graphs of complete graphs and Cayley graphs
Dec 3 '13 at 21:23
11
Vertex transitive graphs
Apr 1 '12 at 21:53
11
Non-enumerative proof that there are many derangements?
Jan 20 '12 at 0:27
10
p-groups as Sylow subgroups
Feb 7 '11 at 14:30
10
How to write math well?
Oct 29 '09 at 2:37
9
Realizing a monoid as $\mathrm{End}(G)$ for some graph $G$
Nov 27 '14 at 12:22
9
Spectral graph theory: Interpretability of eigenvalues and -vectors
May 17 '10 at 12:09
9
Eigenvalues of the sum of a diagonal and a unit matrix
Jun 16 '11 at 12:17
9
Adjacency matrices of graphs
Jan 17 '11 at 13:57
9
Properties of Graphs with an eigenvalue of -1 (adjacency matrix)?
Mar 17 '10 at 2:11
9
Singular value decomposition over finite fields?
Nov 28 '09 at 1:38
8
When are the adjacency matrices of non-isomorphic graphs similar?
Mar 22 at 13:40
8
About writing of mathematical papers
Jan 17 '13 at 15:42
8
real symmetric matrix has real eigenvalues - elementary proof
Jan 11 '13 at 16:59
8
Complex Eigenvalues of Directed Graphs
Sep 7 '11 at 19:54
8
Automorphism group of the cartesian product of two graphs.
Jul 21 '11 at 12:45
MathOverflow works best with JavaScript enabled