Dmitrii Lozovanu

Institute of Mathematics and Computer Science

5 Academiei str., Chisinau, MD−2028

Moldova

E-mail:

Stefan Pickl

Institute for Theoretical Computer Science

Mathematics and Operations Research

Universit¨ at der Bundeswehr

München, 85577 Neubiberg-München

Germany,

E-mail:

Institute of Mathematics and Computer Science

5 Academiei str., Chisinau, MD−2028

Moldova

E-mail:

Stefan Pickl

Institute for Theoretical Computer Science

Mathematics and Operations Research

Universit¨ at der Bundeswehr

München, 85577 Neubiberg-München

Germany,

E-mail:

- Shape dimension of maps
- Semi-integral filters and semi-integral
**BL**-algebras - Orthogonality and retract orthogonality of operations
**An Approach for Determining the Optimal Strategies for an Average Markov Decision Problem with Finite State and Action Spaces**- The Center of the Lattice of Factorization Structures
- Properties of finite unrefinable chains of ring topologies for nilpotent rings
- Quartic differential systems with an invariant straight line of maximal multiplicity
- Distances on Free Semigroups and Their Applications
- Integrability conditions for a class of cubic differential systems with a bundle of two invariant straight lines and one invariant cubic