E. Drgas-Burchardt and E. Sidorowicz

Preface

M. Alipour nad P. Tittmann

Graph operations and neighborhood polynomials

G. Araujo-Pardo, J.J. Montellano, M. Olsen and C. Rubio-Montiel

Achromatic numbers for circulant graphs and digraphs

Z. Bidine, T. Gadi and M. Kchikech

Independence number and packing coloring of generalized Mycielski graphs

B. Brešar, B.L. Hartnell, M.A. Henning, K. Kuenzel and D.F. Rall

A new framework to approach Vizing's conjecture

Cs. Bujtás

Domination number of graphs with minimum degree five

N. Cordero-Michel and H. Galeana-Sánchez

Alternating-pancyclism in 2-edge-colored graphs

J. Czap, I. Fabrici and S. Jendrol'

Colorings of plane graphs without long monochromatic facial paths

T. Duy Doan and I. Schiermeyer

Proper rainbow connection number of graphs

M.A. Henning and J. Topp

Minimal graphs with disjoint dominating and paired-dominating sets