Stack Exchange

Chris Godsil

waterloo

http://quoll.uwaterloo.ca/

Professor at University of Waterloo in C&O
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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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