When quantum channel preserves product states
Relative motion in spacetimr
On differential form method to find Lie symmetries of two types of Toda lattices
In application of the Jucys-Murphy operators in the Hubbard model of silids
New exact solutions of some (2+1) dimensional nonlinear evolution equations via extended Kudryashov method
Matter confinement mechanism in de Sitter brane
Quasi-exact solutions of the equation for description of nonlinear waves in a liquid with gas bubbles