Universal Algebra (dimonoid theory, trioid theory, digroup theory, (strict) n-tuple semigroup theory, varieties of algebraic structures, and related topics)
Semigroup Theory (endomorphism semigroups, congruences on semigroups, bands of semigroups, translational hulls of semigroups, automorphism groups of semigroups, and related topics)
Zhuchok, A. V. (2018): Relatively free doppelsemigroups. Lectures in Pure and Applied Mathematics, Vol. 5. Potsdam University Press, Potsdam. 86 pp. ISBN 978-3-86956-427-2.
Zhuchok, A. V. (2014): Elements of dimonoid theory. Mathematics and its Applications. Proceedings, Vol. 98. Institute of Mathematics of the NAS of Ukraine, Kyiv. 304 pp. ISBN 966-02-2571-7 (series); ISBN 978-966-02-7252-1 (in Ukrainian).
Zhuchok, A. V. (2011): Dialgebras. Mathematics and its Applications. Proceedings, Vol. 87. Institute of Mathematics of the NAS of Ukraine, Kyiv. 256 pp. ISBN 966-02-2571-7 (series); ISBN 978-966-02-6022-1 (in Ukrainian).