Chris Godsil's user avatar
Chris Godsil's user avatar
Chris Godsil's user avatar
Chris Godsil
  • Member for 14 years, 5 months
  • Last seen more than a week ago
3 votes
Accepted

The cliques of cospectral graphs

3 votes
Accepted

Strongly regular graphs with the same parameters as Paley graph

3 votes
Accepted

Godsil-Mckay switching applied on the Paley graph

3 votes

Boundaries of the eigenvalues of a symmetric matrix (or of its Lapacian)

3 votes

Automorphism Group of Paley Graph

3 votes

Constructing Steiner Triple Systems Algorithmically

3 votes

Computing the multiplicity of an eigenvalue of a 0-1 symmetric matrix...

3 votes

A Parameter related to fractional chromatic number and Kneser Graphs

3 votes
Accepted

When a name is used for two different notions!

3 votes
Accepted

Measure of Subspace of Matrices with repeated Singular Values

3 votes
Accepted

Conditions for subgraph relationship in circulant Cayley digraphs

2 votes

Relationship between free probability and deterministic graphs?

2 votes
Accepted

Where does the definition of "Tower of Algebras" come from?

2 votes
Accepted

Planar Graphs and Skew Binary Spaces

2 votes
Accepted

Finding a subspace disjoint from a union of subspaces

2 votes

When can a matrix with negative entries have a completely non-negative dominant eigenvector?

2 votes
Accepted

a variation on the theory of equitable partitions for graphs

2 votes

amazing inverse of 0-1 matrices

2 votes
Accepted

Graph of Grassmannian

2 votes

Do all the roots of the polynomial lie in the unit disk?

2 votes

Distance regular Cayley graphs on $Z_2^n$?

2 votes
Accepted

Reduced echelon form of sparce matrices and constructing hash function

2 votes

connected and vertex-transitive prime graphs with respect to Cartesian product

2 votes

colored graph characteristic polynomial

2 votes

Determinant of the oriented adjacency matrix of a tree

1 vote

Graphs whose degree vectors coincide for all powers of their adjacency matrices

1 vote

Proof of closed walk generating function identity

1 vote

What is the number of the ways of travelling through a path graph to reach a node from another?

1 vote
Accepted

Vector version of balanced incomplete block designs

1 vote
Accepted

Non-regular cospectral graphs with same degree sequences

1
3 4 5
6
7