Yang, Erguang; Yan, Pengfei Function characterizations of semi-stratifiable spaces. (English) Zbl 1129.54308 J. Math. Res. Expo. 26, No. 2, 213-218 (2006). Summary: Some properties of semi-continuous functions are investigated, and some characterizations of semi-stratifiable spaces with semi-continuous functions are given. Cited in 1 Document MSC: 54C08 Weak and generalized continuity 42C99 Nontrigonometric harmonic analysis PDFBibTeX XMLCite \textit{E. Yang} and \textit{P. Yan}, J. Math. Res. Expo. 26, No. 2, 213--218 (2006; Zbl 1129.54308)