Mathematics – Dynamical Systems
Scientific paper
2010-01-22
Mathematics
Dynamical Systems
To appear in Michigan Math. J
Scientific paper
A monomial (or equivariant) selfmap of a toric variety is called stable if its action on the Picard group commutes with iteration. Generalizing work of Favre to higher dimensions, we show that under suitable conditions, a monomial map can be made stable by refining the underlying fan. In general, the resulting toric variety has quotient singularities; in dimension two we give criteria for when it can be chosen smooth, as well as examples when it cannot.
Jonsson Mattias
Wulcan Elizabeth
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