School of Mathematics, Sun Yat-sen University, Guangzhou 510275, P. R. China
Abstract:
For a symplectic manifold (M2n, ω) without boundary (not necessarily compact), we prove Poincaré type duality in filtered cohomology rings of differential forms on M, and we use this result to obtain duality between (d+dΛ)-and ddΛ-cohomologies.