Sommaire

Editorial
DM=60 – A Surprise Conference
Odd-order Cayley graphs with commutator subgroup of order pq are hamiltonian
p. 1-28
Arc-transitive graphs of valency 8 have a semiregular automorphism
p. 29-34
Hamilton paths in Cayley graphs on Coxeter groups: I
p. 35-53
Polarity graphs revisited
p. 55-67
Tight orientably-regular polytopes
p. 69-82
Reachability relations, transitive digraphs and groups
p. 83-94
The clone cover
p. 95-113
Unstable graphs: A fresh outlook via TF-automorphisms
p. 115-131
A census of 4-valent half-arc-transitive graphs and arc-transitive digraphs of valence two
p. 133-148
Some recent discoveries about half-arc-transitive graphs
p. 149-162
A note on m-factorizations of complete multigraphs arising from designs
p. 163-175
Regular embeddings of cycles with multiple edges revisited
p. 177-194
Strongly regular m-Cayley circulant graphs and digraphs
p. 195-213
On automorphism groups of graph truncations
p. 215-223
The equalization scheme of the residual voluntary health insurance in Slovenia
p. 225-234
2015 PhD Summer School in Discrete Mathematics