| Serhii Bardyla, University of Vienna, Austria |
| Judyta Bąk, Jan Kochanowski University in Kielce, Poland |
| Peter Eliaš, Mathematical Institute, Slovak Academy of Sciences, Košice, Slovakia |
| Daniel Fatuła, Jagiellonian University, Kraków, Poland |
| Rafał Filipów, University of Gdańsk, Poland |
| Jacek Hejduk, Łódz University, Poland |
| Ľubica Holá, Mathematical Institute, Slovak Academy of Sciences, Bratislava, Slovakia |
| Gertruda Ivanova, University of Lodz, Lodz, Poland |
| Eliza Jabłońska, Faculty of Applied Mathematics, AGH University of Krakow, Poland |
| Stanisław Kowalczyk, Pomeranian University in Słupsk, Poland |
| Mateusz Kula, University of Łódź, Łódź, Poland |
| Piotr Maćkowiak, Adam Mickiewicz University in Poznań, Poznań, Poland |
| Parasar Mohanty, Indian Institute of Technology, Kanpur, India |
| Branislav Novotný, Mathematical Institute, Slovak Academy of Sciences, Bratislava, Slovakia |
| Piotr Nowakowski, Faculty of Mathematics and Computer Science, University of Lodz, Łódź, Poland |
| Daria Perkowska, Wrocław University of Science and Technology, Poland |
| Franciszek Prus-Wiśniowski, University of Szczecin, Szczecin, Poland |
| Emilia Przemska, Pomeranian University in Słupsk, Poland |
| Tommaso Russo, University of Innsbruck, Innsbruck, Austria |
| Palani Kumar Shunmugaraj, Department of Mathematics, Indian Institute of Technology, Kanpur, India |
| Waldemar Sieg, Kazimierz Wielki University in Bydgoszcz, Poland |
| Szymon Smolarek, University of Wrocław, Wrocław, Poland |
| Péter Tóth, University of Debrecen, Hungary |
| Małgorzata Turowska, Pomeranian University in Słupsk, Poland |
| Szymon Wąsowicz, University of Bielsko-Biala, Poland |
| Renata Wiertelak, University of Lodz, Łódź, Poland |
