Connectedness and inverse limits with set -valued functions on intervals

被引:9
|
作者
Greenwood, Sina [1 ]
Kennedy, Judy [2 ]
Lockyer, Michael [1 ]
机构
[1] Univ Auckland, Private Bag 92019, Auckland, New Zealand
[2] Lamar Univ, Dept Math, POB 10047, Beaumont, TX 77710 USA
关键词
Generalised inverse limit; Connected; Compact; CC-sequence; Component base;
D O I
10.1016/j.topol.2017.01.011
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In [4] it was shown that an inverse limit with upper semicontinuous set-valued functions on intervals is connected if and only if it does not admit a CC-sequence. We introduce a related notion, a component base. Using this new tool we demonstrate how proofs of connectedness theorems can be simplified, and we prove a number of new results on connectedness. In particular, results relating to the size and number of components. (C) 2017 Elsevier B.V. All rights reserved.
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页码:69 / 90
页数:22
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