Span, chainability and the continua H* and I_u
一般拓扑
2014-04-01 v2 逻辑
摘要
We show that the continua I_u and H* are non-chainable and have span nonzero. Under CH this can be strengthened to surjective symmetric span nonzero. We discuss the logical consequences of this.
引用
@article{arxiv.math/0308162,
title = {Span, chainability and the continua H* and I_u},
author = {K. P. Hart and B. J. van der Steeg},
journal= {arXiv preprint arXiv:math/0308162},
year = {2014}
}
备注
2004-03-11: corrected some typos, some parts rewritten