The description of the set of lower semi-continuity points and the set of upper semi-continuity points of the topological entropy of the systems considered as a function on some parameter is obtained for a family of dynamical systems continuously dependent on parameter.

中文翻译：

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连续一参数动力系统族的拓扑熵的下半连续点集

对于连续依赖参数的动力学系统族，获得了被认为是某个参数函数的系统的拓扑熵的下半连续点集和上半连续点集的描述。