P. Syrbu

Moldova State University

60 Mateevici str., Chisinau, MD-2009

Rep. of Moldova

E-mail: ,

I. Grecu

Moldovan-Finnish High School

59 Calea Iesilor str., Chisinau, MD-2069

Rep. of Moldova

E-mail:

Moldova State University

60 Mateevici str., Chisinau, MD-2009

Rep. of Moldova

E-mail: ,

I. Grecu

Moldovan-Finnish High School

59 Calea Iesilor str., Chisinau, MD-2069

Rep. of Moldova

E-mail:

- Commutator subgroup of Sylow 2-subgroups of alternating group and the commutator width in the wreath product
- On two stability types for a multicriteria integer linear programming problem
- Closure operators in modules and their characterizations
- On the number of topologies on countable skew fields
- New Algorithms for Finding the Limiting and Differential Matrices in Markov Chains
- Solution of the problem of the center for cubic differential systems with three affine invariant straight lines of total algebraic multiplicity four
- On self-adjoint and invertible linear relations generated by integral equations
**Loops with invariant flexibility under the isostrophy**