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Invariants de Welschinger

Identifieur interne : 000061 ( France/Analysis ); précédent : 000060; suivant : 000062

Invariants de Welschinger

Auteurs : Alexandru Oancea [France]

Source :

RBID : Hal:hal-00636569

Descripteurs français

Abstract

This is an overview of some of the invariants that were discovered by Welschinger in the context of enumerative real algebraic geometry. Their definition finds a natural setup in real symplectic geometry. In particular, they can be studied using techniques from symplectic field theory, of which we also give a sample. Welschinger invariants are real analogues of certain Gromov-Witten invariants. This article is an extended set of notes for a talk at the Bourbaki seminar in April 2011.

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Hal:hal-00636569

Le document en format XML

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{{Explor lien
   |wiki=    Wicri/Mathematiques
   |area=    BourbakiV1
   |flux=    France
   |étape=   Analysis
   |type=    RBID
   |clé=     Hal:hal-00636569
   |texte=   Invariants de Welschinger
}}

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