2000/20/1

Colouring of cycles in the de Bruijn graphs

The strong isometric dimension of finite reflexive graphs

Recognizing weighted directed cartesian graph bundles

Mean value for the matching and dominating polynomial

Some news about the independence number of a graph

About uniquely colorable mixed hypertrees

Classes of hypergraphs with sum number one

Long induced paths in 3-connected planar graphs

A class of tight circulant tournaments

Geodetic sets in graphs

Some results concerning the ends of minimal cuts of simple graphs

Unique factorization theorem

Some conjectures on perfect graphs