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Acta Mathematica
Article . 1991 . Peer-reviewed
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Acta Mathematica
Article
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Other literature type . 1991
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zbMATH Open
Article . 1991
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Periodic meromorphic functions

Authors: Capocasa, F.; Catanese, F.;

Periodic meromorphic functions

Abstract

On caractérise comme suit les sous-groupes additifs \(\Gamma\) de \({\mathbb{C}}^ n\) pour lesquels il existe une fonction F méromorphe sur \({\mathbb{C}}^ n\) dont les périodes forment un groupe discret \(\supset \Gamma:\) il faut et il suffit qu'il existe sur \({\mathbb{C}}^ n\) une forme hermitienne définie \(>0\) dont la partie imaginaire prenne sur \(\Gamma\times \Gamma\) des valeurs entières. D'après le théorème d'Appell-Humbert: lorsque \(\Gamma\) est de rang réel\(=2n\), F est quotient de 2 fonctions \(\theta\) de Jacobi telles que, \(\forall \gamma \in \Gamma\), \(\theta (z+\gamma)/\theta (z)\) soit l'exponentielle d'une fonction affine. Lorsque \(\Gamma\) est de rang réel \(<2n\), cette propriété des exposants peut subsister ou disparaître selon le choix de \(\Gamma\), et les Auteurs précisent la nature topologique de l'ensemble des \(\Gamma\) pour lesquels la propriété disparaît, en supposant \(\Gamma\) engendré par \(n+m\) vecteurs \({\mathbb{R}}\)-linéairement indépendants dont les n premiers forment la base canonique de \({\mathbb{C}}^ n\).

Related Organizations
Keywords

periodic meromorphic functions, Meromorphic functions of several complex variables

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
21
Average
Top 10%
Average
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