Localization of periodic orbits of autonomous systems based on high-order extremum conditions.
Starkov, Konstantin E. (2004)
Mathematical Problems in Engineering
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Starkov, Konstantin E. (2004)
Mathematical Problems in Engineering
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Naeem Alkoumi, Pedro J. Torres (2011)
Czechoslovak Mathematical Journal
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New results are proved on the maximum number of isolated -periodic solutions (limit cycles) of a first order polynomial differential equation with periodic coefficients. The exponents of the polynomial may be negative. The results are compared with the available literature and applied to a class of polynomial systems on the cylinder.
Toni, B. (1998)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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M. Matzeu, M. Girardi (1997)
Rendiconti del Seminario Matematico della Università di Padova
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Alwash, Mohamad A.M. (2005)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Guillaume James, Pascal Noble, Yannick Sire (2009)
Annales de l'I.H.P. Analyse non linéaire
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Michal Fečkan (1993)
Mathematica Slovaca
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