Sommaire du Fascicule no. 1

Colouring of cycles in the de Bruijn graphs
p. 5
The strong isometric dimension of finite reflexive graphs
p. 23
Recognizing weighted directed cartesian graph bundles
p. 39
Mean value for the matching and dominating polynomial
p. 57
Some news about the independence number of a graph
p. 71
About uniquely colorable mixed hypertrees
p. 81
Classes of hypergraphs with sum number one
p. 93
Long induced paths in 3-connected planar graphs
p. 105
A class of tight circulant tournaments
p. 109
Geodetic sets in graphs
p. 129
Some results concerning the ends of minimal cuts of simple graphs
p. 139
Unique factorization theorem
p. 143
Some conjectures on perfect graphs
p. 155

Sommaire du Fascicule no. 2

2-factors in claw-free graphs
p. 165
Note on the weight of paths in plane triangulations of minimum degree 4 and 5
p. 173
Connectivity of path graphs
p. 181
Dichromatic number, circulant tournaments and Zykov sums of digraphs
p. 197
On the rank of random subsets of finite affine geometry
p. 209
Survey of certain valuations of graphs
p. 219
Persistency in the Traveling Salesman Problem on Halin graphs
p. 231
Kernels in the closure of coloured digraphs
p. 243
Sum labellings of cycle hypergraphs
p. 255
A note on periodicity of the 2-distance operator
p. 267
Domination and independence subdivision numbers of graphs
p. 271
The decomposability of additive hereditary properties of graphs
p. 281
Chromatic polynomials of hypergraphs
p. 293