可解动力系统和由正交多项式或其他特殊多项式的零点定义的等谱矩阵
Solvable dynamical systems and isospectral matrices defined in terms of the zeros of orthogonal or otherwise special polynomials
摘要：
综述了满足某些微分方程、差分方程或q-差分方程的多个特殊多项式族（有些正交，有些不正交）的几个最近发现的性质。本文讨论了由这类多项式的零点定义的等谱矩阵的一般构造方法。该方法涉及减少某些偏微分，微分差分和微分q-差分方程系统的常微分方程及其随后的线性化有关的多项式的零点的问题。通过这一过程，可解的（在代数运算方面）非线性一阶常微分方程组的构造。
英文摘要：
Several recently discovered properties of multiple families of special polynomials (some orthogonal and some not) that satisfy certain differential, difference or q-difference equations are reviewed. A general method of construction of isospectral matrices defined in terms of the zeros of such polynomials is discussed. The method involves reduction of certain partial differential, differential difference and differential q-difference equations to systems of ordinary differential equations and their subsequent linearization about the zeros of polynomials in question. Via this process, solvable (in terms of algebraic operations) nonlinear first order systems of ordinary differential equations are constructed.
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