Periodic solutions for second order differential systems with damping
Fabio Zanolin (1981)
Rendiconti del Seminario Matematico della Università di Padova
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Displaying similar documents to “The sum of periodic functions”
Periodic solutions for second order differential systems with damping
On generalized periodic solutions of linear differential equations of order n
J. Ligęza (1977)
Annales Polonici Mathematici
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Periodic solutions of differential equations in the cylindrical space
Stanisław Sędziwy (1972)
Annales Polonici Mathematici
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The existence of periodic solutions of an autonomous second order non-linear differential equation
G. J. Butler (1974)
Annales Polonici Mathematici
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Periodic solutions of x" + f(μ, x) = 0
G. J. Butler, H. I. Freedman (1979)
Annales Polonici Mathematici
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A note on periodic solution of second order non-linear differential equations
Bahman Mehri (1977)
Archivum Mathematicum
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Periodic Solutions of Scalar Differential Equations without Uniqueness
Stanisław Sȩdziwy (2009)
Bollettino dell'Unione Matematica Italiana
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The note presents a simple proof of a result due to F. Obersnel and P. Omari on the existence of periodic solutions with an arbitrary period of the first order scalar differential equation, provided equation has an n-periodic solution with the minimal period n > 1.
Periodic solutions of a differential delay equation of Rayleigh type
S. Invernizzi, F. Zanolin (1979)
Rendiconti del Seminario Matematico della Università di Padova
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Note on the existence of periodic solutions of a second order differential equation
F. H. Szafraniec (1969)
Annales Polonici Mathematici
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Periodic Solutions of Periodic Retarded Functional Differential Equations
Marcin Pawłowski (2004)
Bulletin of the Polish Academy of Sciences. Mathematics
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The paper presents a geometric method of finding periodic solutions of retarded functional differential equations (RFDE) , where f is T-periodic in t. We construct a pair of subsets of ℝ × ℝⁿ called a T-periodic block and compute its Lefschetz number. If it is nonzero, then there exists a T-periodic solution.