Effective Faithful Tropicalizations Associated to Linear Systems on Curves PDF Download
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Author: Shu Kawaguchi
Publisher:
ISBN: 9781470465346
Category : Linear systems
Languages : en
Pages : 122
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Book Description
Author: Shu Kawaguchi
Publisher:
ISBN: 9781470465346
Category : Linear systems
Languages : en
Pages : 122
Get Book Here
Book Description
Author: Shu Kawaguchi
Publisher: American Mathematical Soc.
ISBN: 1470447533
Category : Education
Languages : en
Pages : 110
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Book Description
For a connected smooth projective curve X of genus g, global sections of any line bundle L with deg(L) ≥ 2g + 1 give an embedding of the curve into projective space. We consider an analogous statement for a Berkovich skeleton in nonarchimedean geometry: We replace projective space by tropical projective space, and an embedding by a homeomorphism onto its image preserving integral structures (or equivalently, since X is a curve, an isometry), which is called a faithful tropicalization. Let K be an algebraically closed field which is complete with respect to a nontrivial nonarchimedean value. Suppose that X is defined over K and has genus g ≥ 2 and that Γ is a skeleton (that is allowed to have ends) of the analytification Xan of X in the sense of Berkovich. We show that if deg(L) ≥ 3g − 1, then global sections of L give a faithful tropicalization of Γ into tropical projective space. As an application, when Y is a suitable affine curve, we describe the analytification Y an as the limit of tropicalizations of an effectively bounded degree.
Author: John Voight
Publisher: American Mathematical Society
ISBN: 1470452286
Category : Mathematics
Languages : en
Pages : 142
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Author: Mark Gross
Publisher: American Mathematical Society
ISBN: 1470452979
Category : Mathematics
Languages : en
Pages : 122
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Author: Stefan Geiss
Publisher: American Mathematical Society
ISBN: 1470449358
Category : Mathematics
Languages : en
Pages : 112
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Author: Nuno Freitas
Publisher: American Mathematical Society
ISBN: 1470452103
Category : Mathematics
Languages : en
Pages : 105
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Author: Zhiwu Lin
Publisher: American Mathematical Society
ISBN: 1470450445
Category : Mathematics
Languages : en
Pages : 136
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Author: H. Flenner
Publisher: American Mathematical Society
ISBN: 1470453738
Category : Mathematics
Languages : en
Pages : 124
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Author: Michele D’Adderio
Publisher: American Mathematical Society
ISBN: 1470471574
Category : Mathematics
Languages : en
Pages : 138
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Author: Camille Laurent
Publisher: American Mathematical Society
ISBN: 1470451387
Category : Mathematics
Languages : en
Pages : 108
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