Matrix coefficients of nilpotent lie groups -- Primary projections on nilmanifolds -- Solvability of left invariant differential operators on nilpotent lie groups -- Harmonic analysis on heisenberg type groups from a geometric viewpoint -- On the plancherel formula for almost algebraic real lie groups -- Harmonic analysis on semisimple symmetric spaces a method of duality -- Partial differential equations on nilpotent groups -- Wave equations on homogeneous spaces -- Symbol mappings for certain nilpotent groups -- Lefschetz formulae for hecke operators -- Harmonic analysis on unbounded homogeneous domains in ?n -- Characters as contour integrals -- Analyticity of solutions of partial differential equations on nilpotent lie groups -- Asymptotic properties of eigenvalues and eigenfunctions of invariant differential operators on symmetric and locally symmetric spaces -- Quantum physics and semisimple symmetric spaces.