This paper deals with planar piecewise linear refracting systems with a straight line of separation. Using the Poincaré compactification, we provide the classification of the phase portraits in the Poincaré disc of piecewise linear refracting systems with focus-saddle dynamics.

中文翻译：

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平面分段线性折射系统的相像：聚焦鞍盒

本文涉及具有直线分离的平面分段线性折射系统。使用庞加莱压实，我们提供了具有焦距-鞍座动力学的分段线性折射系统的庞加莱圆盘中相像的分类。