Title of article :
Dual properties of subspaces in products of ordinals
Author/Authors :
Peng، نويسنده , , Liang-Xue، نويسنده ,
Issue Information :
دوماهنامه با شماره پیاپی سال 2010
Abstract :
Let μ and ν be two ordinals. If X is a subspace of μ × ν , then X is dually scattered of rank ⩽ 2 . If X is a subspace of countable extent of μ × ν , then X is dually discrete.
Keywords :
Scattered , Neighborhood assignment , Product of ordinal , Countable extent , Dually discrete
Journal title :
Topology and its Applications
Journal title :
Topology and its Applications
