Scalar Nonautonomous Equations

Author(s):  
Jack K. Hale ◽  
Hüseyin Koçak
1999 ◽  
Vol 09 (09) ◽  
pp. 1853-1858 ◽  
Author(s):  
KLAUDIUSZ WÓJCIK

We prove the existence of the chaotic behavior in dynamical systems generated by some class of time periodic nonautonomous equations on the plane. We use topological methods based on the Lefschetz Fixed Point Theorem and the Ważewski Retract Theorem.


2011 ◽  
Vol 71 (3) ◽  
pp. 303-310
Author(s):  
Luis Barreira ◽  
Claudia Valls

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