Sommaire

On generating snarks
p. 147
Short cycles of low weight in normal plane maps with minimum degree 5
p. 159
On the simplex graph operator
p. 165
On independent sets and non-augmentable paths in directed graphs
p. 171
On hereditary properties of composition graphs
p. 183
A sufficient condition for the existence of k-kernels in digraphs
p. 197
Graphs maximal with respect to absence of hamiltonian paths
p. 205
On varieties of graphs
p. 209
Decomposition of multigraphs
p. 225
2-halvable complete 4-partite graphs
p. 233
A conjecture on cycle-pancyclism in tournaments
p. 243