E. Drgas-Burchardt, E. Sidorowicz

Preface

I. Broere, J. Heidema, P. Mihók

Universality in graph properties with degree restrictions

E. Casas-Bautista, H. Galeana-Sánchez, R. Rojas-Monroy

$\gamma$-cycles and transivity by monochromatic paths in arc-coloured digraphs

J. Czap, P. Mihók

Fractional $Q$-coloring of graphs

J. Czap, Zs. Tuza

Decompositions of plane graphs under parity constrains given by faces

R. Euler, P. Oleksik, Z. Skupień

Counting maximal distance-independent sets in grid graphs

J. Katrenič, G. Semanišin

Maximum semi-matching problem in bipartite graphs

M. Klešč, J. Petrillová

The crossing numbers of products of path with graphs of order six

M. Klešč, Š. Schrötter

On the crossing numbers of Cartesian products of stars and graphs of order six

W. Kordecki, A. Łyczkowska-Hanćkowiak

Broken circuits in matroids-Dohmen's inductive proof

X. Li, M.M Liu, I. Schiermeyer

Rainbow connection number of dense graphs

H.H. Khachatrian, P.A. Petrosyan, H.G. Tananyan

Interval edge-colorings of Cartesian products of graphs I