Editor in Chief
 Maksymenko S.

Corresponding Member of the NAS of Ukraine, Doctor of Sciences in Physics and Mathematics, Professor, Head of the Department of Algebra and Topology of the Institute of Mathematics of the NAS of Ukraine (Ukraine, Kiev)
ORCID: http://orcid.org/ /0000000200625188
Email: maks@imath.kiev.ua
Scientific editor
 Prishlyak O.

Doctor of Sciences in Physics and Mathematics, Professor of the Department of Topology Geometry and Dynamical Systems of the Kiev National University named after Taras Shevchenko, (Ukraine, Kiev)
ORCID: http://orcid.org/000000027164807X
Email: mass69@ukr.net
Managing editor
 Konovenko N.

Ph. D. in phys. and math. sciences, docent of the Department of Physical and Mathematical Sciences ONUT (Ukraine, Odessa)
ORCID: http://orcid.org/0000000286310688
SCOPUS ID: 26027059000
Email: konovenko@ukr.net
Executive Secretary
 Fedchenko Yu.

Ph.D. in phys. and math. sciences, docent of the Department of Physical and Mathematical Sciences ONUT (Ukraine, Odessa)
ORCID: http://orcid.org/0000000274733237
Email: fedchenko_julia@ukr.net
Editorial Board
 Balan V.

Ph. D. in phys. and math. sciences, professor of the Polytechnic University of Bucharest (Romania, Bucharest)
Email: vladimir.balan@upb.ro
 Banakh T.

Doctor of Sciences in Physics and Mathematics, Professor, Head of Algebra, topology and fundamentals of mathematics of Ivan Franko National University of Lviv. (Ukraine, Lviv)
ORCID: http://orcid.org/0000000167104611
SCOPUS ID: 6701315535
Email: tbanakh@yahoo.com
 Eftekharinasab K. A.

Ph. D. in phys. and math. sciences, Senior Research Fellow, Laboratory of Topology, Department of Algebra and Topology, Institute of Mathematics, National Academy of Sciences of Ukraine (Ukraine, Kyiv)
ORCID: https://orcid.org/0000000246043220
Email: kaveheft@gmail.com
 Fedosov S.

Ph. D. in phys. and math. sciences, professor of the Department of Physical and Mathematical Sciences ONUT (Ukraine, Odessa)
ORCID: http://orcid.org/ 0000000257751468
SCOPUS ID: 7005670406
Email: snfedosov@ukr.net
 Karlova O.

Doctor of Sciences in Physics and Mathematics Professor of the Department of Mathematical Analysis of the Yuriy Fedkovych Chernivtsi National University, (Ukraine, Chernivtsi)
ORCID: https://orcid.org/0000000282857133
Email: maslenizza.ua@gmail.com
 Matsumoto K.

Ph. D. in phys. and math. sciences, professor, Emeritus at Yamagata University, Member of "Tensor Society", Cooperator of the Journal "Tensor", (Japan, Yamagata)
Email: tokiko_matsumoto@yahoo.com
 Mikesh J.

Ph. D. in phys. and math. sciences, professor of Palacky University, Olomouc, ( Czech Republic, Olomouc)
Email: josef.mikes@upol.cz
 Mormul P.

Ph. D. in phys. and math. sciences, professor at the Institute of Mathematics of the University of Warsaw (Poland, Warsaw)
Email: mormul@mimuw.edu.pl
 Moskaliuk S.

Ph. D. in phys. and math. sciences, professor, president the AustroUkrainian Institute for Science and Technology, (Austria, Wien)
Email: moskaliukss@gmail.com
 Mykhaylyuk V.

Doctor of Sciences in Physics and Mathematics, professor of the Department of Mathematical Analysis of the Yuriy Fedkovych Chernivtsi National University, (Ukraine, Chernivtsi)
Email: math.analysis.chnu@gmail.com
 Plachta L.

Doctor of Sciences in Physics and Mathematics, Senior Researcher of the Pidstryhach Institute for Applied Problems of Mechanics and Mathematics (Pidstryhach IAPMM), NASU, ( Ukraine, Lviv); AGH University of Science and technology im. S. Staszica (Poland, Krakov)
Email: PlahtaLP@nas.gov.ua
 Polulyakh Ye.

Doctor of Sciences in Physics and Mathematics, Senior Researcher of Topology Laboratory of Algebra and Topology Department, Institute of Mathematics of NAS of Ukraine (Ukraine, Kiev)
Email: polulyah@imath.kiev.ua
 Savchenko O.

Doctor of Sciences in Physics and Mathematics, Professor of the Department of Algebra, Geometry and Mathematical Analysis of the Kherson State Agricultural University (Ukraine, Kherson)
Email: savchenko.o.g@ukr.net
 Sergeeva O.

Ph. D. in phys. and math. sciences, professor, Head of the Department of Physical and Mathematical Sciences ONUT (Ukraine, Odessa)
ORCID: http://orcid.org/0000000255349563
SCOPUS ID: 7003807845
Email: aeserg@ukr.net
 Shvets V.

Ph. D. in phys. and math. sciences , professor of the Department of Physical and Mathematical Sciences ONUT (Ukraine, Odessa)
ORCID: http://orcid.org/0000000287965352
Email: valtarmax@ukr.net
 Zadorozhnyj V.

Doctor of Chemistry, Ph. D. in phys. and math. sciences, professor of the Department of Physical and Mathematical Sciences ONUT (Ukraine, Odessa)
Email: aurora14@ukr.net
 Zarichnyi M.

Doctor of Sciences in Physics and Mathematics, Professor, Professor of the Department of Geometry and Topology of Ivan Franko National University of Lviv (Ukraine, Lviv)
Email: mzar@litech.net
Technical editor
 Cherevko Y.

Ph. D. in phys. and math. sciences, docent of the Department of Physical and Mathematical Sciences ONUT (Ukraine, Odessa)
ORCID: http://orcid.org/0000000295741316
SCOPUS ID: 57197856124
Email: cherevko@usa.com