We show that the Morse boundary of a right-angled Coxeter group may contain embedded circles that do not arise as the boundary of a Morse Fuchsian subgroup visible in the defining graph.

中文翻译：

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直角Coxeter组的摩尔斯边界中令人惊讶的圆圈

我们表明，直角Coxeter组的Morse边界可能包含嵌入的圆，这些圆不会作为定义图中可见的Morse Fuchsian子组的边界而出现。