He, Shi-Yao; Jin, Ying-Ying; Xie, Li-Hong(Universitat Politècnica de València, 2023-10-02)
[EN] In this paper, we introduce some concepts of ★-(quasi)-pseudometric spaces, and give an example which shows that there is a ★-quasi-pseudometric space which is not a quasi-pseudometric space. We also study the conditions ...