共 40 条
- [32] Generic theorems in the theory of cardinal invariants of topological spaces APPLIED GENERAL TOPOLOGY, 2019, 20 (01): : 211 - 222
- [34] D-SPACES, SEPARATION AXIOMS AND COVERING PROPERTIES HOUSTON JOURNAL OF MATHEMATICS, 2011, 37 (03): : 1035 - 1042
- [38] ON SOME CARDINAL FUNCTIONS CONCERNING KATETOV EXTENSIONS OF INFINITE DISCRETE SPACES ANALELE STIINTIFICE ALE UNIVERSITATII AL I CUZA DIN IASI-SERIE NOUA-MATEMATICA, 2009, 55 (01): : 1 - 10
- [39] Gδ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${G_\delta}$$\end{document} covers of compact spaces Acta Mathematica Hungarica, 2018, 154 (1) : 252 - 263
- [40] Regular Gδ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${G_\delta}$$\end{document}-diagonals and some upper bounds for cardinality of topological spaces Acta Mathematica Hungarica, 2016, 149 (2) : 324 - 337