A differential form ω∈Ω n(X)\omega \in \Omega^n(X) is exact if there is a differential form λ∈Ω n−1(X)\lambda \in \Omega^{n-1}(X) such that d dRλ=ωd_{dR}\lambda = \omega.
Created on July 8, 2010 at 17:47:05. See the history of this page for a list of all contributions to it.