DMS Set Theoretic Topology Seminar

Speaker: Hongfeng Guo

Title: The D-property of t-metrizable spaces and their finite unions.

Abstract: The main results are the following:

1. A t-metrizable space is a D-space.

2. If a space of countable tightness can be written as the union of finite t-metrizable subspaces, then it is a D-space.