Shape dimension of maps P. S. Gevorgyan, I. Pop | pp.3-11 |
Semi-integral filters and semi-integral BL-algebras Somayeh Motamed | pp.12-23 |
Orthogonality and retract orthogonality of operations Iryna Fryz | pp.24-33 |
An Approach for Determining the Optimal Strategies for an Average Markov Decision Problem with Finite State and Action Spaces Lozovanu Dmitrii, Stefan Pickl | pp.34-49 |
The Center of the Lattice of Factorization Structures Dumitru Botnaru, Elena Baeș | pp.50-66 |
Properties of finite unrefinable chains of ring topologies for nilpotent rings Arnautov Vladimir, G. N. Ermakova | pp.67-75 |
Quartic differential systems with an invariant straight line of maximal multiplicity Şubă Alexandru, Vacaraş Olga | pp.76-91 |
Distances on Free Semigroups and Their Applications M. M. Choban, I. A. Budanaev | pp.92-119 |
Integrability conditions for a class of cubic differential systems with a bundle of two invariant straight lines and one invariant cubic Dumitru Cozma, Anatoli Dascalescu | pp.120-138 |