Integrable Hierarchies, Solitons and Infinite Dimensional Algebras
Super-Galilean conformal algebras of higher n, their properties and applications
Linear Recurrent Relations, Linear ODEs and Generalized Pieri's Formulas
Gravitation and cosmology: structural questions and applications
Problems of lagragian and Hamiltonian BRST quantization of Gauge theories
Algebraic approach to classical field theory and its perturbative quantization aro...