New posts in Algebraic Graph Theory

basis for null space of matrix in a certain field

Going with/against the orientation alternates along the Hamilton cycle?

Counting $K_4$'s in a Paley Graph

Eigenvalues of a Complete graph

Matrix irreducibility. Strongly connected graph

Can I find the connected components of a graph using matrix operations on the graph's adjacency matrix?

Automorphism groups of vertex transitive graphs

Does the clique-coclique bound hold for all walk-regular graphs?

Are there only finitely many distinct cubic walk-regular graphs that are neither vertex-transitive nor distance-regular?

A question about (unicity of certain cycles in a Cayley graph of a) symmetric group