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Set-theoretic complete intersections in characteristic
Authors:Margherita Barile  Gennady Lyubeznik
Institution:Dipartimento di Matematica, Università di Bari, Via E. Orabona 4, 70125 Bari, Italy ; School of Mathematics, University of Minnesota, 127 Vincent Hall, 206 Church Street S.E., Minneapolis, Minnesota 55455
Abstract:We describe a class of toric varieties which are set-theoretic complete intersections only over fields of one positive characteristic $p$.

Keywords:Set-theoretic complete intersections  toric varieties  \'etale cohomology  semigroup gluing
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