Productively Lindelof Spices May All Be D

被引：11

作者：

Tall, Franklin D. ^{[1
]}

机构：

[1] Univ Toronto, Dept Math, Toronto, ON M5S 2E4, Canada

来源：

CANADIAN MATHEMATICAL BULLETIN-BULLETIN CANADIEN DE MATHEMATIQUES | 2013年 / 56卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

productively Lindelof; D-space; projectively sigma-compact; Menger; Hurewicz; TOPOLOGICAL GAMES; SPACE; COMBINATORICS;

D O I：

10.4153/CMB-2011-150-2

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We give easy proofs that (a) the Continuum Hypothesis implies that if the product of X with every Lindelof space is Lindelof, then X is a D-space, and (b) Borel's Conjecture implies every Rothberger space is Hurewicz.

引用

页码：203 / 212

页数：10

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