Institute of Mathematics and Computer Science

“Vladimir Andrunachievici”

Chisinau, Republic of Moldova

E-mail:

“Vladimir Andrunachievici”

Chisinau, Republic 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