User Chris Godsil - MathOverflow

Chris Godsil

Member for 14 years, 5 months
Last seen more than a month ago

quoll.uwaterloo.ca
waterloo

198 Answers

Score Activity Newest

137 votes

Famous mathematical quotes

answered Nov 29, 2009 at 22:54

39 votes

A good book of functional analysis

answered Aug 9, 2011 at 1:30

32 votes

How can a mathematician handle the pressure to discover something new?

answered Mar 11, 2018 at 15:26

29 votes

The Matrix-Tree Theorem without the matrix

answered Aug 22, 2011 at 12:18

27 votes

Accepted

Which graphs have incidence matrices of full rank?

answered Nov 15, 2009 at 14:54

20 votes

Are there any books that take a 'theorems as problems' approach?

answered Jan 24, 2010 at 20:07

17 votes

Accepted

Are these three different notions of a graph Laplacian?

answered Nov 29, 2014 at 4:26

16 votes

Beginning a sentence with a mathematical symbol

answered May 15, 2010 at 23:00

16 votes

Eigenvalues of Symmetric Tridiagonal Matrices

answered May 23, 2013 at 1:17

15 votes

Accepted

Singular value decomposition over finite fields?

answered Nov 28, 2009 at 1:38

15 votes

Accepted

if two graphs have the same distinct eigenvalues, can we conclude that they are isomorphic?

answered Aug 24, 2016 at 18:09

14 votes

Spectral graph theory: Interpretability of eigenvalues and -vectors

answered May 17, 2010 at 12:09

14 votes

Accepted

When the Lovász theta-function saturates its upper bound

answered Nov 18, 2010 at 22:20

14 votes

Accepted

Automorphism group of the cartesian product of two graphs.

answered Jul 21, 2011 at 12:45

14 votes

code that produces all possible trees with n nodes.

answered Jan 18, 2011 at 2:58

14 votes

roots of polynomials outside the unit disc

answered Jun 6, 2011 at 17:24

14 votes

Accepted

Eigenvalues of the sum of a diagonal and a unit matrix

answered Jun 16, 2011 at 12:17

13 votes

Good combinatorics textbooks for teaching undergraduates?

answered Jun 22, 2010 at 19:53

13 votes

How to write math well?

answered Oct 29, 2009 at 2:37

13 votes

Accepted

The line graphs of complete graphs and Cayley graphs

answered Dec 3, 2013 at 21:23

13 votes

When (if ever) disclose your identity as a reviewer?

answered May 29, 2012 at 23:03

13 votes

Accepted

Transitive permutation groups which all of their proper subgroups are intransitive

answered Apr 14, 2016 at 20:55

13 votes

Consequences of eigenvector-eigenvalue formula found by studying neutrinos

answered Nov 19, 2019 at 16:09

12 votes

Endomorphisms and almost all graphs

answered Dec 14, 2014 at 17:13

12 votes

Non-enumerative proof that there are many derangements?

answered Jan 20, 2012 at 0:27

12 votes

Accepted

Cayley graphs and its subgraphs

answered Jan 4, 2012 at 19:10

11 votes

Accepted

Vertex transitive graphs

answered Apr 1, 2012 at 21:53

11 votes

p-groups as Sylow subgroups

answered Feb 7, 2011 at 14:30

10 votes

A good reference to grok hypergeometric functions?

answered Jun 22, 2012 at 20:14

10 votes

Accepted

When Do a Few Eigenvectors of Graph Laplacians Not Determine the Graph?

answered Aug 19, 2012 at 4:29

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