DIPS 2/2001 [tex source, PostScript, PDF file, dvi]

Title: On the horizontal gauge cohomology and non-removability of the spectral parameter

Author: Michal Marvan

Given a zero-curvature representation a, the horizontal gauge cohomology group `H1a is shown to contain obstructions to removability of the ``spectral parameter'' of a. A method to compute `H1a is suggested.

15 pages, LaTeX-2e (AmSLaTeX 1.2).

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