Salem Numbers and Automorphisms of Complex Surfaces
classification
🧮 math.DS
math.AGmath.CV
keywords
automorphismscomplexentropypositivesurfacesariseautomorphismcharacterize
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For two-dimensional complex tori, we characterize the set of all values of positive entropy that arise from automorphisms. For K3 surfaces, we give suffcient conditions for a positive value to be the entropy of some automorphism.
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