| Marek Balcerzak, Lodz University of Technology |
| Artur Bartoszewicz, Łódź University |
| Judyta Bąk, Jan Kochanowski University |
| Zoltán Boros, University of Debrecen, Debrecen, Hungary |
| Martin Doležal, Institute of Mathematics, Czech Academy of Sciences |
| Peter Eliaš, Mathematical Institute, Slovak Academy of Sciences, Košice, Slovakia |
| Małgorzata Filipczak, Lodz University, Lodz, Poland |
| Ľubica Holá, Mathematical Institute, Slovak Academy of Sciences, Bratislava, Slovakia |
| Dušan Holý, Faculty of Education, Trnava University, Trnava |
| Grażyna Horbaczewska, University of Lodz |
| Eliza Jabłońska, AGH University of Science and Technology, Faculty of Applied Mathematics |
| Jacek Jachymski, Lodz University of Technology |
| Stanisław Kowalczyk, Pomeranian University in Słupsk |
| Ondřej Kurka, Institute of Mathematics, Czech Academy of Sciences |
| Sebastian Lindner, University of Łódź, Poland |
| Jesús Llorente, Universidad Complutense de Madrid, Madrid, Spain |
| Adam Marton, Institute of Mathematics, Pavol Jozef Šafárik University in Košice, Slovakia |
| Milan Matejdes, Trnava University in Trnava |
| Branislav Novotný, Mathematical Institute, Slovak Academy of Sciences, Bratislava, Slovakia |
| Piotr Nowakowski, University of Lodz, Faculty of Mathematics and Computer Science, Lodz, Poland |
| Martin Papčo, Catholic University in Ruzomberok; Mathematical Institute, Slovak Academy of Sciences, Slovakia |
| Emilia Przemska, Pomeranian University in Słupsk |
| Jaroslav Šupina, UPJŠ Košice |
| Małgorzata Terepeta, Lodz University of Technology |
| Péter Tóth, University of Debrecen, Debrecen, Hungary |
| Małgorzata Turowska, Pomeranian University in Słupsk |
| Artur Wachowicz, Institute of Mathematics, Lodz University of Technology, Poland |
| Renata Wiertelak, University of Lodz, Poland |
