Author: Raffaele Vitolo
The C-spectral sequence was introduced by Vinogradov in the late Seventies as a fundamental tool for the study of algebro-geometric properties of jet spaces and differential equations. A spectral sequence arise from the contact filtration of the modules of forms on jet spaces of a fibring (or on a differential equation). In order to avoid serious technical difficulties, the order of the jet space is not fixed, i. e. computations are performed on spaces containing forms on jet spaces of any order.
In this paper we show that there exists a formulation of Vinogradov's
C-spectral sequence in the case of finite order jet spaces of a
fibred manifold. We compute all cohomology groups of the finite
order C-spectral sequence. We obtain a finite order variational
sequence which is shown to be naturally isomorphic with Krupka's
finite order variational sequence.
21 pages, LaTeX-2e (AmSLaTeX 2).
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