Bernstein-Sato polynomials in positive characteristic

dc.creatorMustata, Mircea
dc.date2007-11-23
dc.date2008-08-17
dc.date.accessioned2026-07-07T09:56:44Z
dc.date.available2026-07-07T09:56:44Z
dc.descriptionIn characteristic zero, the Bernstein-Sato polynomial of a hypersurface can be described as the minimal polynomial of the action of an Euler operator on a suitable D-module. We consider the analogous D-module in positive characteristic, and use it to define a sequence of Bernstein-Sato polynomials (corresponding to the fact that we need to consider also divided powers Euler operators). We show that the information contained in these polynomials is equivalent to that given by the F-jumping exponents of the hypersurface, in the sense of Hara and Yoshida.
dc.description26 pages; v.2: new section added, treating the decomposition of an arbitrary D-module under the Euler operators; v.3: final version, to appear in Journal of Algebra
dc.identifierhttps://arxiv.org/abs/0711.3794
dc.identifierhttp://arxiv.org/abs/0711.3794
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/167081
dc.subjectAlgebraic Geometry
dc.subjectCommutative Algebra
dc.subject13A35 (Primary); 14B05, 32S40 (Secondary).
dc.titleBernstein-Sato polynomials in positive characteristic
dc.typetext

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