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arXiv 0804.4852math.DS
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具有最终负Schwarzian导数的函数的动力学

Dynamics of Functions with an Eventual Negative Schwarzian Derivative

Benjamin Webb

摘要:

在一维动力系统的研究中,经常假设所涉及的函数具有负的Schwarzian导数。在本文中,我们考虑这个条件的推广。具体来说,我们考虑的区间函数的实变量有一些负Schwarzian导数,并表明,许多已知的结果推广到这一类较大的功能。这门课的引入是由神经科学中出现的一些地图所激发的。

英文摘要:

In the study of one dimensional dynamical systems one often assumes that the functions involved have a negative Schwarzian derivative. In this paper we consider a generalization of this condition. Specifically, we consider the interval functions of a real variable having some iterate with a negative Schwarzian derivative and show that many known results generalize to this larger class of functions. The introduction of this class was motivated by some maps arising in neuroscience.

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