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Trudy Moskovskogo Matematicheskogo Obshchestva, 2015, Volume 76, Issue 2, Pages 205–248 (Mi mmo576)  

This article is cited in 2 scientific papers (total in 2 papers)

Finite cyclicity of some center graphics through a nilpotent point inside quadratic systems

R. Roussariea, C. Rousseaub

a Université de Bourgogne
b Université de Montréal
Full-text PDF (827 kB) Citations (2)
References:
Abstract: In this paper we introduce new methods to prove the finite cyclicity of some graphics through a triple nilpotent point of saddle or elliptic type surrounding a center. After applying a blow-up of the family, yielding a singular $3$-dimensional foliation, this amounts to proving the finite cyclicity of a family of limit periodic sets of the foliation. The boundary limit periodic sets of these families were the most challenging, but the new methods are quite general for treating such graphics. We apply these techniques to prove the finite cyclicity of the graphic $(I^1_{14})$, which is part of the program started in $1994$ by Dumortier, Roussarie and Rousseau (and called DRR program) to show that there exists a uniform upper bound for the number of limit cycles of a planar quadratic vector field. We also prove the finite cyclicity of the boundary limit periodic sets in all graphics but one through a triple nilpotent point at infinity of saddle, elliptic or degenerate type (with a line of zeros) and surrounding a center, namely the graphics $(I^1_{6b})$, $(H^3_{13})$, and $(DI_{2b})$.
References: 9 entries.
Key words and phrases: Hilbert’s 16th problem, finite cyclicity, graphic through a nilpotent point, center graphic, quadratic vector fields.
Received: 15.12.2014
English version:
Transactions of the Moscow Mathematical Society, 2015, Volume 76, Issue 2, Pages 181–218
DOI: https://doi.org/10.1090/mosc/248
Bibliographic databases:
Document Type: Article
UDC: 517.927.7
MSC: 34C07, 37G15
Language: English
Citation: R. Roussarie, C. Rousseau, “Finite cyclicity of some center graphics through a nilpotent point inside quadratic systems”, Tr. Mosk. Mat. Obs., 76, no. 2, MCCME, M., 2015, 205–248; Trans. Moscow Math. Soc., 76:2 (2015), 181–218
Citation in format AMSBIB
\Bibitem{RouRou15}
\by R.~Roussarie, C.~Rousseau
\paper Finite cyclicity of some center graphics through a nilpotent point inside quadratic systems
\serial Tr. Mosk. Mat. Obs.
\yr 2015
\vol 76
\issue 2
\pages 205--248
\publ MCCME
\publaddr M.
\mathnet{http://mi.mathnet.ru/mmo576}
\elib{https://elibrary.ru/item.asp?id=24850144}
\transl
\jour Trans. Moscow Math. Soc.
\yr 2015
\vol 76
\issue 2
\pages 181--218
\crossref{https://doi.org/10.1090/mosc/248}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84960130035}
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  • https://www.mathnet.ru/eng/mmo/v76/i2/p205
  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Trudy Moskovskogo Matematicheskogo Obshchestva
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    Full-text PDF :39
    References:46
     
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