Let X be a smooth complex projective variety such that the Albanese map of X is generically finite onto its image. Here we study the so-called eventual m-paracanonical map of X, whose existence is implied by the results of [4] (when m = 1 we also assume χ(KX ) > 0). We show that for m = 1 this map behaves in a similar way to the canonical map of a surface of general type, as described in [6], while it is birational for m > 1. We also describe it explicitly in several examples.
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Titolo: | The eventual paracanonical map of a variety of maximal Albanese dimension |
Autori: | |
Data di pubblicazione: | 2019 |
Rivista: | |
Abstract: | Let X be a smooth complex projective variety such that the Albanese map of X is generically finite onto its image. Here we study the so-called eventual m-paracanonical map of X, whose existence is implied by the results of [4] (when m = 1 we also assume χ(KX ) > 0). We show that for m = 1 this map behaves in a similar way to the canonical map of a surface of general type, as described in [6], while it is birational for m > 1. We also describe it explicitly in several examples. |
Handle: | http://hdl.handle.net/11571/1277148 |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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