A topological characterization of ordinals: van Dalen and Wattel revisited

作者：Good Chris^*; Papadopoulos Kyriakos

来源：Topology and Its Applications, 2012, 159(6): 1565-1572.

DOI：10.1016/j.topol.2011.02.014

• Nests
• LOTS
• Linearly ordered topological spaces
• GO spaces
• Generalized ordered spaces
• Ordinals
• omega(1)

We revisit van Dalen and Wattel%26apos;s characterization of linearly ordered topological spaces ill terms of nests of open sets and use this to give a topological characterization of ordinals. In particular we characterize omega(1).

• 出版日期2012-4-1