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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Publications mathéma...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Publications mathématiques de l IHÉS
Article . 1990 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
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Canards et enlacements

Authors: E. Benoît;

Canards et enlacements

Abstract

On considere le probleme de la convergence, pour e positif tendant vers zero, des champs de vecteurs, notes Ee, sur R 3 du type x˙=f(x,y,z,e), y˙=g(x,y,z,e), ez=h(x,y,z,e). Ce probleme est connu sous le nom de perturbation singuliere, ou de probleme a deux echelles de temps. Le probleme de la convergence de (Ee) vers un champ (E 0 ) est un probleme de convergence de trajectoires. Soit (Me) une famille de points de R 3 telle que Me converge vers un point M 0 . Soit γe la trajectoire du systeme (Ee) issue du point Me. La famille (γe) converge-t-elle vers une courbe γ 0 ? Si oui, en quel sens? au sens de la convergence uniforme sur tout compact des fonctions du temps? au sens de la convergence C 1 ?… Reciproquement, soit γ 0 une «trajectoire de (E 0 )». Peut-on trouver une suite de conditions initiales Me telle que la trajectoire de (Ee) issue de Me converge vers γ 0 ?… On utilise des outils non standard pour analyser ce type de question

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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!
60
Top 10%
Top 10%
Average
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