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Particle and kinetic descriptions of Kuramoto ensemble in the presence of adaptive couplings and noises
변동성 결합력과 노이즈를 가지는 쿠라모토 모델의 입자, 운동 방정식에 관하여

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Authors
이재승
하승열
Major
자연과학대학 수리과학부
Issue Date
2018-08
Publisher
서울대학교 대학원
Description
학위논문 (박사)-- 서울대학교 대학원 : 자연과학대학 수리과학부, 2018. 8. 하승열.
Abstract
In this thesis, we investigate the particle and kinetic models of the Kuramoto-type model with adaptive coupling strengths and noise environment. In the classical Kuramoto model, the pairwise coupling strengths are assumed to be uniform and the oscillators are always supposed to be deterministic. For more realistic description of many-body systems in the real world, however, the need for improving the classical model arises. In this regard, we first introduce the Kuramoto-type models where the coupling strengths among the oscillators depend on the pairs and time. Then, we consider the behaviour of the Kuramoto oscillator ensemble when the number of oscillators goes to infinity($N \to \infty$) in the presence of phase lag and Gaussian noise. Finally, we study the swarming model on a unit sphere that can be regarded as a variation of the classical Kuramoto model.
Language
English
URI
http://hdl.handle.net/10371/143218
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College of Natural Sciences (자연과학대학)Dept. of Mathematical Sciences (수리과학부)Theses (Ph.D. / Sc.D._수리과학부)