On rigidity of factorial trinomial hypersurfaces
Algebraic Geometry
2016-08-16 v3
Abstract
An affine algebraic variety is rigid if the algebra of regular functions admits no nonzero locally nilpotent derivation. We prove that a factorial trinomial hypersurface is rigid if and only if every exponent in the trinomial is at least 2.
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Cite
@article{arxiv.1601.02251,
title = {On rigidity of factorial trinomial hypersurfaces},
author = {Ivan Arzhantsev},
journal= {arXiv preprint arXiv:1601.02251},
year = {2016}
}
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8 pages