On the log discrepancies in toric Mori contractions

cKernan and Shokurov that for all Mori contractions from X of given dimensions, for any positive \eps such that if X-log terminal, then Y-log terminal. We prove this conjecture in the toric case and discuss the dependence of \delta , which seems mysterious.]]>

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Bibliographic Details
Published in:Proceedings of the American Mathematical Society 2014-11, Vol.142 (11), p.3687-3694
Main Authors: ALEXEEV, VALERY, BORISOV, ALEXANDER
Format: Article
Language:English
Subjects:
Coordinate systems
Geometry
Integers
Linear transformations
Mathematical lattices
Mathematical minima
Mathematical theorems
Morphisms
Quotients
Vertices
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Summary:cKernan and Shokurov that for all Mori contractions from X of given dimensions, for any positive \eps such that if X-log terminal, then Y-log terminal. We prove this conjecture in the toric case and discuss the dependence of \delta , which seems mysterious.]]>
ISSN:0002-9939
1088-6826
DOI:10.1090/S0002-9939-2014-12159-9