Mitrofan M. Choban

Department of Mathematics

Tiraspol State University

MD-2069, Chișinău

Moldova

E-mail:

Radu N. Dumbrăveanu

Department of Mathematics

Bălți State University

MD-3121, Bălți

Moldova

E-mail:

Department of Mathematics

Tiraspol State University

MD-2069, Chișinău

Moldova

E-mail:

Radu N. Dumbrăveanu

Department of Mathematics

Bălți State University

MD-3121, Bălți

Moldova

E-mail:

- On fixed point subalgebras of some local algebras over a field
- Stability radius bounds in multicriteria Markowitz portfolio problem with venturesome investor criteria
**l**_{p}(R)-equivalence of topological spaces and topological modules- One subfamily of cubic systems with invariant lines of total multiplicity eight and with two distinct real infinite singularities
- Primary decomposition of general graded structures
- On the distinction between one-dimensional Euclidean and hyperbolic spaces
- On the number of ring topologies on countable rings
- Determining the Optimal Evolution Time for Markov Processes with Final Sequence of States