Painlevé-2方程的硬失稳
Hard loss of stability in Painlevé-2 equation
摘要:
研究了带小参数的Painlevé-2方程的一个特殊渐近解.该解具有对应于分叉现象的临界点$t_*$。当$t<t_*$时,构造的解变化缓慢,而当$t>t_*$时,解振荡非常快。我们详细研究了过渡层,并获得了一个光滑的渐近解,使用一系列的缩放和匹配程序。
英文摘要:
A special asymptotic solution of the Painlevé-2 equation with small parameter is studied. This solution has a critical point $t_*$ corresponding to a bifurcation phenomenon. When $t<t_*$ the constructed solution varies slowly and when $t>t_*$ the solution oscillates very fast. We investigate the transitional layer in detail and obtain a smooth asymptotic solution, using a sequence of scaling and matching procedures.
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