Department of Mathematics,

College of Science Sultan Qaboos University,

PO Box 36, Al-Khodh,

PC 123 Sultanate of Oman

E-mail:

College of Science Sultan Qaboos University,

PO Box 36, Al-Khodh,

PC 123 Sultanate of Oman

E-mail:

- On overnilpotent radicals of topological rings.
- Semitopological isomorphism of topological groups.
- Special radicals of graded rings.
- Generating properties of biparabolic invertible polynomial maps in three variables.
- Rings over which some preradicals are torsions.
- Transfer properties in radical theory.
- Exponent matrices and their quivers.
- Radicals of rings with involution.
- Radicals around Kothe's problem.
- Wedderburn decomposition of LCM-rings.
- Totally bounded rings and their groups of units.
**The radical theory of convolution rings.**- Artinal special Lie superalgebras.
- The classification of GL(2,R)-orbits' dimensions for system s(0, 2) and the factorsystem s(0, 1,2)/GL(2,R).