引入置换系统的定义.研究非自治动力系统上的自映射顺序改变对动力性质的影响,给出了周期非自治动力系统中周期点的轨迹在其特定置换系统中保持不变得一个充分条件.%The definition of permutation dynamics is introduced to study the impact on the dynamical properties given by the maps when they have changed their order. A sufficient condition is given to the periodic non-autonomous dynamical dynamics' feature that is the trajectories of the periodic non-autonomous dynamical dynamics' periodic points will remain unchanged in its specific permutation dynamics.
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