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Chris Godsil
waterloo
http://quoll.uwaterloo.ca/
Professor at University of Waterloo in C&O
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Top Questions
12
votes
Ideal classes and integral similarity
nt.number-theory
graph-theory
asked Aug 6, 2011 at 0:07
mathoverflow.net
Top Answers
132
Famous mathematical quotes
mathoverflow.net
43
Motivation for spectral graph theory.
math.stackexchange.com
34
A good book of functional analysis
mathoverflow.net
32
How can a mathematician handle the pressure to discover something new?
mathoverflow.net
28
The Matrix-Tree Theorem without the matrix
mathoverflow.net
27
Is arrow notation for vectors "not mathematically mature"?
math.stackexchange.com
25
Which graphs have incidence matrices of full rank?
mathoverflow.net
19
Are there any books that take a 'theorems as problems' approach?
mathoverflow.net
17
Are these three different notions of a graph Laplacian?
mathoverflow.net
16
Beginning a sentence with a mathematical symbol
mathoverflow.net
16
Why are Vandermonde matrices invertible?
math.stackexchange.com
15
Singular value decomposition over finite fields?
mathoverflow.net
15
Eigenvalues of Symmetric Tridiagonal Matrices
mathoverflow.net
15
if two graphs have the same distinct eigenvalues, can we conclude that they are isomorphic?
mathoverflow.net
15
When the Lovász theta-function saturates its upper bound
mathoverflow.net
14
When is the automorphism group of the Cayley graph of $G$ just $G$?
math.stackexchange.com
14
code that produces all possible trees with n nodes.
mathoverflow.net
14
roots of polynomials outside the unit disc
mathoverflow.net
14
When (if ever) disclose your identity as a reviewer?
mathoverflow.net
14
Spectral graph theory: Interpretability of eigenvalues and -vectors
mathoverflow.net
13
Consequences of eigenvector-eigenvalue formula found by studying neutrinos
mathoverflow.net
13
Vertex-transitive graphs and deletion of vertices
math.stackexchange.com
13
The line graphs of complete graphs and Cayley graphs
mathoverflow.net
13
Eigenvalues of the sum of a diagonal and a unit matrix
mathoverflow.net
12
Automorphism group of the cartesian product of two graphs.
mathoverflow.net
12
Cayley graphs and its subgraphs
mathoverflow.net
12
Non-enumerative proof that there are many derangements?
mathoverflow.net
12
Good combinatorics textbooks for teaching undergraduates?
mathoverflow.net
12
Returning Paths on Cubic Graphs Without Backtracking
math.stackexchange.com
12
Transitive permutation groups which all of their proper subgroups are intransitive
mathoverflow.net
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