博文
- 师范生专业教育思考之一
- 有一种专业很神圣，却很不专业，叫师范教育专业。 很神圣，大家都认同，论述的著作可以汗牛充栋。 很不专业，但有五花八门的模式、文章、著作、奖项都在试图证明它是专业的。 进一步细看物理师范教育专业，这是教育学类还是物理类？ “两张皮”难以贴合。 从事师范专业的教学人员，专业是物理的多。 于是他们的教学 ...
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一声叹息——我的2012基金评语
- 热度 7
- / 同意资助的内容我就不说了，只简要说说不同意的同行评议意见： 1本人认为此项目是一个典型的脱离实际的数字游戏项目，申请人缺乏基本的非线性动力学知识，建议不予支持。主要理由如下： （1）申请者不知道试验方面的进展情况----。（这个，范围有点广了，与想做的实验相关的进展还是 ...
- Predicting Catastrophes in nonlinear Dynamical Systems
- 热度 1
- 师弟王延博士来组讨论，谈及Wen-Xu Wang等新近之作。 PRL 106, 154101 (2011) Predicting Catastrophes in Nonlinear Dynamical Systems by Compressive Sensing Abstract:An extremely challenging problem of significant interest is to predict catastrophes in advance of their occurrences. We presen ...
- Front reversals, wave traps and twisted spirals
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Front Reversals,Wave Traps, and Twisted Spirals in Periodically Forced Oscillatory Media Oliver Rudzick* and Alexander S. Mikhailov Abstract : A new kind of nonlinear nonequilibrium patterns—twisted spiral waves—is predicted for periodically forced oscillatory reaction-diffusion media. We sh ...
- Breathing spiral waves in the CDIMA rection-diffusion system
- 热度 2
- Breathing spiral waves in the chlorine dioxide–iodine–malonic acid reaction-diffusion system Igal Berenstein, Alberto P. Muuzuri, Lingfa Yang, Milos Dolnik, Anatol M. Zhabotinsky, and Irving R. Epstein Phys. Rev. E 78 , 025101 (2008) – Published August 11, 2008 Breat ...
- Doppler instability of antispiral waves
- Doppler instability of antispiral waves in discrete oscillatory reaction-diffusion media 2010 Chinese Phys. B 19 050513 Qian Yu(钱郁), Huang Xiao-Dong(黄晓东), Liao Xu-Hong(廖旭红), and Hu Gang(胡岗) This paper investigates antispiral wave breakup phenomena in coupled two-dimensional FitzH ...
- Computation of the drift velocity of spiral waves
- http://pre.aps.org/abstract/PRE/v81/i6/e066202 Computation of the drift velocity of spiral waves using response functions Abstract: Rotating spiral waves are a form of self-organization observed in spatially extended systems of chysical,chemical, and biological nature. In the presence of a ...
- Bifurcation phenomena in non-smooth dynamical systems
- 非平常的动力系统分岔分析是我最近在查询Floquet理论的应用时找到的，浏览了这篇的introduction部分后，知道这个方面的工作虽然The dynamics of non-smooth systems is a relatively young research field，但也有不短的研究历史和不少的研究文献了。 我关心的是这些不同于平滑系统的分岔特点，对于斑图 ...
- Period doubling in a periodically forced Belousov-Zhabotinsky reaction
- Abstract: Using an open-flow reactor periodically perturbed with light, we observe sub-harmonic frequency locking of the oscillatory Belousov-Zhabotinsky chemical reaction at one sixth the forcing frequency (6:1) over a region of the parameter space of forcing intensity and forcing frequency where ...
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