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University of Groningen

Entrainment in forced Winfree systems

Zhang, Yongjiao

DOI:

10.33612/diss.143454306

IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite from

it. Please check the document version below.

Document Version

Publisher's PDF, also known as Version of record

Publication date:

2020

Link to publication in University of Groningen/UMCG research database

Citation for published version (APA):

Zhang, Y. (2020). Entrainment in forced Winfree systems. University of Groningen.

https://doi.org/10.33612/diss.143454306

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P R O P O S I T I O N S

belonging to the thesis

E N T R A I N M E N T I N F O R C E D W I N F R E E S Y S T E M S

by

y o n g j i a o z h a n g

1. The evolution of the order parameter given by the Ott-Antonsen equations compares well to the evolution computed for the full dynamics in the non-detuned case for non-identical oscillators.

– Chapter 2

2. To compute the entrainment degree for an ensemble of oscillators in the Ott-Antonsen mean field we follow two different approaches, the direct method and the resonance tongue method, and for both approaches the results match the results in the original system.

– Chapter 2

3. The normalization method provides a very accurate approximation of the nu-merically computed resonance tongue in detuned systems.

– Chapter 3

4. The Ott-Antonsen ansatz lowers the dimension of the original system to a two-dimensional system, thus simplifying the study of the evolution of the order parameter.

– Chapter 3

5. One open question concerns the degree to which the entrainment for the obtained bimodal distribution can be obtained as a simple superposition of the entrainment for two unimodal distributions.

– Chapter 4

6. The presented methods and results can be applied to any oscillatory systems undergoing entrainment.

– Chapter 5

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