摘要
讨论了拓扑空间中半内部、半闭包性质及其与内部、闭包之间的关系,然后给出了半边界的定义及性质,并借助于半边界的概念给出了半开(闭)集、半正则集的等价刻划。
Some properties of semi-interior and semi-closure are discussed in a topological space.The concept of semi-boundary is defined and studied,some equivalent characterizations of semi-open(closcd)set,semi-regularly set are obtained with the concept.
出处
《黑龙江商学院学报》
1996年第4期60-63,共4页
Journal of Harbin Commercial University(Natural Sciences Edition)
