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Nonlinear Phenomena in Evolutionary Partial Differential Equations
15:30 - 17:30, March 10, 2020 (Tuesday)
R440, Astronomy-Mathematics Building, NTU
(台灣大學天文數學館 440室)
Characterization of Periodic Solutions in Delay Equations with Monotone Feedback and Even-odd Symmetry
Alejandro López Nieto (Freie Universität Berlin)


It is well known that periodic solutions are one of the key ingredients in the study of scalar delay equations with monotone feedback. However, since the dynamical system that they generate is infinite dimensional, finding periodic solutions is a hard problem. In the talk I will present some new results, which use additional symmetry to reduce the original problem to the study of a time map in a planar ODE.


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