具有Lévy飞行的反应扩散系统的弱非线性动力学
Weakly non-linear dynamics in reaction -- diffusion systems with Lévy flights
摘要:
研究了具有分数阶Laplacian算子的反应扩散方程在长波Hopf分支附近的约化问题.所得到的振幅方程是具有分数拉普拉斯算子的复Ginzburg-Landau方程。一般的复杂的Ginzburg-Landau方程的一些性质推广的分数模拟。特别地,导出了Kuramoto-Sivashinsky方程的一个类似形式。
英文摘要:
Reaction--diffusion equations with a fractional Laplacian are reduced near a long wave Hopf bifurcation. The obtained amplitude equation is shown to be the complex Ginzburg-Landau equation with a fractional Laplacian. Some of the properties of the normal complex Ginzburg-Landau equation are generalised for the fractional analogue. In particular, an analogue of Kuramoto-Sivashinsky equation is derived.
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