$C_n(X)/{C_n}_K(X)$上的诱导映射

Q3 Mathematics Matematychni Studii Pub Date : 2021-10-23 DOI:10.30970/ms.56.1.83-95
E. Castañeda-Alvarado, J. G. Anaya, J. A. Martínez-Cortéz
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引用次数: 0

摘要

给定连续统$X$和$n\ \在\mathbb{n}$中。设$C_n(X)$是$X$的所有非空闭子集的超空间,其中最多有$n$个分量。设${C_n}_K(X)$是$C_n(X)$中包含$K$的所有元素的超空间,其中$K$是$X$的紧子集。$ C ^ n_K (X)表示商空间C_n美元(X) / {C_n} _K (X)美元。给定一个连续体之间的映射$f:X\到Y$,设$C_n(f):C_n(X)\到C_n(Y)$是由$f$引起的映射,定义为$C_n(f)(a)=f(a)$。我们用$C^n_K(f)$表示$C^n_K(X)$和$C^n_{f(K)}(Y)$之间的自然映射。在本文中,我们研究了$f$, $C_n(f)$和$C^n_K(f)$映射之间的关系,这些映射分别是:几乎单调,矩阵,合流,连接,轻,单调,开,OM,伪合流,拟单调,半合流,强自由可分解,弱合流和弱单调。
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Induced mappings on $C_n(X)/{C_n}_K(X)$
Given a continuum $X$ and $n\in\mathbb{N}$. Let $C_n(X)$ be the hyperspace of all nonempty closed subsets of $X$ with at most $n$ components. Let ${C_n}_K(X)$ be the hyperspace of all elements in $C_n(X)$ containing $K$ where $K$ is a compact subset of $X$. $C^n_K(X)$ denotes the quotient space $C_n(X)/{C_n}_K(X)$. Given a mapping $f:X\to Y$ between continua, let $C_n(f):C_n(X)\to C_n(Y)$ be the induced mapping by $f$, defined by $C_n(f)(A)=f(A)$. We denote the natural induced mapping between $C^n_K(X)$ and $C^n_{f(K)}(Y)$ by $C^n_K(f)$. In this paper, we study relationships among the mappings $f$, $C_n(f)$ and $C^n_K(f)$ for the following classes of mappings: almost monotone, atriodic, confluent, joining, light, monotone, open, OM, pseudo-confluent, quasi-monotone, semi-confluent, strongly freely decomposable, weakly confluent, and weakly monotone.
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来源期刊
Matematychni Studii
Matematychni Studii Mathematics-Mathematics (all)
CiteScore
1.00
自引率
0.00%
发文量
38
期刊介绍: Journal is devoted to research in all fields of mathematics.
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