We prove the following version of Poincare duality for reduced
Lq,p​-cohomology: For any 1<q,p<∞, the Lq,p​-cohomology of a
Riemannian manifold is in duality with the interior Lp′,q′​−cohomologyfor1/p+1/p'=1,1/q+1/q'=1$.Comment: 21 page