| Classification of inequivalent realizations of the Poincare algebras p(n, m) (for different integer n,m) and their natural extensions by first-order differential operators (Lie vector fields) (see the items A-2; B-23,56 of the Publication list ) | |
| Classification of inequivalent realizations of the Galilei algebras g(n) (for different integer n) and their natural extensions by Lie vector fields (see the items A-2; B-41 of the Publication list ) | |
| Complete classification of covariant realizations of the Euclid groups E(3), E(4) (see the items A-2; B-59 of the Publication list ) |