#### Editor-in-Chief

- Prof. Ivan Matić, Department of Mathematics, University of Osijek, Croatia

#### Editorial Board

- Prof. Dražen Adamović, Department of Mathematics, University of Zagreb, Croatia
- Prof. Mirta Benšić, Department of Mathematics, University of Osijek, Croatia
- Prof. Mladen Bestvina, Department of Mathematics, University of Utah, United States
- Prof. Krešimir Burazin, Department of Mathematics, University of Osijek, Croatia
- Prof. Jakša Cvitanić, Division of the Humanities and SocialSciences, EDHEC Business School, United States
- Prof. Eugene Demidenko, Section of Biostatistics and Epidemiology, Dartmouth Medical School, United States
- Prof. Boris Guljaš, Department of Mathematics, University of Zagreb, Croatia
- Prof. Dragan Jukić, Department of Mathematics, University of Osijek, Croatia
- Prof. Hrvoje Kraljević, Department of Mathematics, University of Zagreb, Croatia
- Prof. Nikolay Leonenko, Cardiff School of Mathematics, Cardiff University, United Kingdom
- Prof. Ren-Cang Li, Department of Mathematics, University of Texas at Arlington, United States
- Prof. Eduardo Piza Volio, Centro de investigación en Matemática Pura y Aplicada, Universidad de Costa Rica, Costa Rica, Costa Rica
- Prof. Rudolf Scitovski, Department of Mathematics, University of Osijek, Croatia
- Prof. Darko Skorin-Kapov, School of Bussines, Adelphi University, United States
- Prof. Jadranka Skorin-Kapov, State University of New York at Stony Brook, United States
- Prof. Endre Süli, Mathematical Institute, University of Oxford, United Kingdom
- Prof. Ninoslav Truhar, Department of Mathematics, University of Osijek, Croatia
- Prof. G. Alistair Watson, Division of Mathematics, University of Dundee, United Kingdom
- Prof. Joseph E. Yukich, Department of Mathematics, Lehigh University, United States
- Prof. Sanjo Zlobec, Department of Mathematics and Statistics, McGill University, Canada

#### Technical Editors

- Dr. Mirela Jukić Bokun, Department of Mathematics, University of Osijek, Croatia
- Dr. Ivan Soldo, Department of Mathematics, University of Osijek, Croatia

#### Proofreader

- Ivanka Ferčec, Faculty of Electrical Engineering, University of Osijek, Croatia

ISSN: 1331-0623 (Print), 1848-8013 (Online)