- Fahreddin G. Abdullayev - Mersin University (Turkey)
- Gülnare A. Abdullayev - Mersin University (Turkey)
- Hiroaki Aikawa - Hokkaido University (Japan)
- Ryszard Bonner - Mälardalen University College (Sweden)
- Asena Çetinkaya - İstanbul Ticaret University (Turkey)
- Oliwia Chojnacka - University of Warmia and Mazury (Poland)
- Ewa Ciechanowicz - University of Szczecin (Poland)
- Jan Ciechanowicz
- Renata Długosz - Łódź University of Technology (Poland)
- Stanisław Domoradzki - University of Rzeszów (Poland)
- Jacek Dziok - University of Rzeszów (Poland)
- Mark Elin - ORT Braude College (Israel)
- Elvira Eline
- Beata Fałda - The State School of Higher Education in Chelm (Poland)
- Anatoly Golberg - Holon Institute of Technology (Israel)
- Armen Grigoryan - The John Paul II Catholic University of Lublin (Poland)
- Parisa Hariri - University of Turku (Finland)
- Aimo Hinkkanen - University of Illinois at Urbana-Champaign (USA)
- Ikkei Hotta - Yamaguchi University (Japan)
- Ayako Hotta
- David Kalaj - University of Montenegro (Montenegro)
- Inna Kalchuk - Lesya Ukrainka Eastern European National University (Ukraine)
- Stanisława Kanas - University of Rzeszow, The State School of Higher Education in Chełm (Poland)
- Jarosław Kapeluszny - The State School of Higher Education in Chelm (Poland)
- Yuriy Kharkevych - Lesya Ukrainka Eastern European National University (Ukraine)
- Vasylyna Khoroshchak - Ivan Franko National University of Lviv (Ukraine)
- Joanna Kowalczyk - University of Rzeszów (Poland)
- Tadeusz Krasiński - University of Łódź (Poland)
- Iwona Krasińska
- Adam Lecko - University of Warmia and Mazury (Poland)
- Piotr Liczberski - Łódź University of Technology (Poland)
- Julian Ławrynowicz - University of Łódź, Polish Academy of Sciences (Poland)
- Maria Ławrynowicz
- Grzegorz Łysik - Jan Kochanowski University (Poland)
- Anna Makarewicz - Lublin University of Technology (Poland)
- Tetyana Mamchych
- Oya Mert - Kemerburgaz University (Turkey)
- Małgorzata Michalska - Maria Curie-Sklodowska University (Poland)
- Andrzej Michalski - The John Paul II Catholic University of Lublin (Poland)
- Mariana Mostova - Ivan Franko National University of Lviv (Ukraine)
- Raimo Näkki - University of Jyväskylä (Finland)
- Małgorzata Nowak-Kępczyk - The State School of Higher Education in Chelm (Poland)
- Grzegorz Olszanowski - The State School of Higher Education in Chelm (Poland)
- Timothy O. Opoola - University of Ilorin (Nigeria)
- N. Pelin Özkartepe - Mersin University (Turkey)
- Dariusz Partyka – The John Paul II Catholic University of Lublin, The State School of Higher Education in Chelm (Poland)
- Antoni Pierzchalski - University of Lodz (Poland)
- Feliks Przytycki - Institute of Mathematics, Polish Academy of Sciences (Poland)
- Lino Feliciano Resendis Ocampo - Universidad Autonòma Metropolitana (México)
- Zdzisław Rychlik - Maria Curie-Sklodowska University, The State School of Higher Education in Chełm (Poland)
- Porama Saengcharoenrat - University of Illinois at Urbana-Champaign (USA)
- Ken-ichi Sakan - Osaka City University (Japan)
- Klaus Schiefermayr - University of Applied Sciences Upper Austria (Austria)
- Hiroshige Shiga - Tokyo Institute of Technology (Japan)
- Andrzej Schinzel - Institute of Mathematics, Polish Academy of Sciences, (Poland)
- David Shoikhet - The Galilee Research Center for Applied Mathematics, The Technion Israel Institute of Technology (Israel)
- Tania Shoikhet
- Agnieszka Sibelska - University of Lodz (Poland)
- Monika Skrzydłowska - The State School of Higher Education in Chelm (Poland)
- Jan Stankiewicz
- Zofia Stankiewicz
- Marek Stojecki - The State School of Higher Education in Chelm (Poland)
- Toshiyuki Sugawa - Tohoku University, Graduate School of Information Sciences (Japan)
- Sineenuch Suwannaphichat - Silpakorn University (Thailand)
- Agnieszka Szumera - The State School of Higher Education in Chelm (Poland)
- Edyta Trybucka - University of Rzeszów (Poland)
- Matti Vuorinen - University of Turku (Finland)
- Andriy Zagorodnyuk - Vasyl Stefanyk Precarpatian National University (Ukraine)
- Mariia Zagorodniuk
- Paweł Zaprawa - Lublin University of Technology (Poland)
- Yuri Zelinskii - Institute of Mathematics NASU (Ukraine)
- Józef Zając - The State School of Higher Education in Chelm (Poland)
- Jian-Feng Zhu – School of Mathematical Science, Huaqiao University (China)
- Wiesław Żelazko - Institute of Mathematics, Polish Academy of Sciences, (Poland)
