1985-1986 - Quotient application of a Lie algebra and its applications in particular to homogeneous contact spaces | Analysis of essential privileged extensions of classical infinite-dimensional Lie algebras
1982-1983 - Systematic study of the relationship between foliations and Poisson varieties | Study of cohomologies of Lie algebras attached to a contact variety
1981-1982 - Study of the graded Lie algebra T of holomorphic (contravariant antisymmetric) tensors attached to a compact Kählerian variety W, of complex dimension n
1976-1977 - Geometry of Poisson varieties and Dirac hooks | Shock waves in relativistic magnetohydrodynamics
1975-1976 - The 1-differentiable adjoint cohomology relative to Lie algebras attached to a symplectic or contact variety | invariant Hamiltonian formalisms and on the notion of canonical variety
1973-1974 - Study of Lie algebras attached to a contact variety (W, ω), of dimension (2 η + 1) | Study of holomorphic tensors on a compact Kählerian variety
1972-1973 - Problems posed by the elaboration of a quantum field theory on a curved space-time | Study of Lie algebras attached to a symplectic variety (W, F), of dimension 2 n
1969-1970 - Analysis of topological properties in the mathematical model of a physical space-time | Study of compact Kählerian varieties and analysis of corresponding holomorphic fibrations
1968-1969 - A new theory of shock waves in relativistic magnetohydrodynamics | The theory of harmonic applications of one Riemannian variety to another