On the Griffiths-Harris conjecture on varieties with degenerate Gauss mappings
M. A. Akivis, V. V. Goldberg, J. M. Landsberg
Abstract
We exhibit examples of projective varieties with degenerate Gauss mappings and determine numerical invariants of such varieties. Our examples provide counter-examples to an asserted structure theorem of Griffiths and Harris (Ann. Sci. ENS 1979).
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