Stable base loci, movable curves, and small modifications, for toric varieties

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dc.creatorPayne, Sam
dc.date2005-06-30
dc.date2005-10-31
dc.date.accessioned2026-07-07T08:11:46Z
dc.date.available2026-07-07T08:11:46Z
dc.descriptionWe show that the dual of the cone of divisors on a complete Q-factorial toric variety X whose stable base loci have dimension less than k is generated by curves on small modifications that move in families sweeping out the birational transforms of k-dimensional subvarieties of X. We give an example showing that it does not suffice to consider curves on X itself.
dc.description10 pages, 1 figure. v2: minor expository changes. To appear in Math. Z
dc.identifierhttps://arxiv.org/abs/math/0506622
dc.identifierhttp://arxiv.org/abs/math/0506622
dc.identifierMath. Z. 253 (2006), no. 2, 421--431.
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/132226
dc.subjectAlgebraic Geometry
dc.subject14C20; 14M25
dc.titleStable base loci, movable curves, and small modifications, for toric varieties
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