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关于举行俄罗斯伏尔加州水上运输大学N.V. Barabash博士学术报告会的通知

澳门金莎娱乐官网:2020-10-14文章来源:澳门金莎娱乐官网浏览次数:10

报告题目:Ghost attractors in the blinking systems: chaotic and regular systems

报  告  人:Nikita V. Barabash 博士(俄罗斯伏尔加州水上运输大学)

报告时间:202010 15 日(星期四)下午14:00-15:00                   

报告地点:Zoom,会议号:6206245145 ,密码:123321

邀  请  人:曾才斌  副教授

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20201014

报告摘要:

Need for understanding dynamical procesess and its control in real-world complex systems (such as telecommunication networks, neuronal ensembles, biological dynamics, etc.) led to considering non-autonomous systems of ODE with fast random switching of parameters called blinking systems. One of the most interesting  dynamical phenomena of such systems is the so called ghost attractor--an attractor of an averaged form of a blinking system, which is absent in the blinking system and its autonomous parts but defines its long-term dynamics. Ghost attractor arises when a resulting dynamics of a blinking system is qualitatively and unexpectedly differs from those of its composing autonomous parts. In this talk we consider a number of examples including a blinking nonlinear rotator, a non-autonomous 3-D piecewise-smooth Lorenz-type system with a singular-hyperbolic ghost attractor, and a blinking versions of Lorenz and Hinmarsh-Rose systems.


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