Article ID Journal Published Year Pages File Type 5777780 Topology and its Applications 2017 6 Pages PDF Abstract In this paper, we discuss diagonal properties of Mrówka spaces. We prove that: (1) Let A be an infinite maximal almost disjoint family on Ï. If BâA is of size Keywords 54E4054C10Submetrizable Related Topics Physical Sciences and Engineering Mathematics Geometry and Topology Preview Authors Lei Mou, Related Articles A Dichotomy Theorem and other results for a class of quotients of topological groups Right-angled Artin groups on finite subgraphs of disk graphs Alan Dow Every crowded pseudocompact ccc space is resolvable Monotone covering properties and properties they imply On the arithmetic of density Ramsey ultrafilters and Countable-to-one Uniformization Some observations on the Baireness of Ck(X) for a locally compact space X Structure theorems for finite unions of subspaces of special kind The Katowice problem and autohomeomorphisms of ω0⁎