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ADMISSIBILITY AND CONNECTEDNESS IM KLEINEN IN HYPERSPACES
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  • ADMISSIBILITY AND CONNECTEDNESS IM KLEINEN IN HYPERSPACES
  • ADMISSIBILITY AND CONNECTEDNESS IM KLEINEN IN HYPERSPACES
저자명
Baik. Bong Shin,Rhee. Choon Jai
간행물명
Honam mathematical journal
권/호정보
2014년|36권 4호|pp.913-919 (7 pages)
발행정보
호남수학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

We investigate the relationships between the space X and the hyperspaces concerning admissibility and connectedness im kleinen. The following results are obtained: Let X be a Hausdorff continuum, and let A, $B{in}C(X)$ with $A{subset}B$. (1) If X is c.i.k. at A, then X is c.i.k. at B if and only if B is admissible. (2) If A is admissible and C(X) is c.i.k. at A, then for each open set U containing A there is a continuum K and a neighborhood V of A such that $V{subset}IntK{subset}K{subset}U$. (3) If for each open subset U of X containing A, there is a continuum B in C(X) such that $A{subset}B{subset}U$ and X is c.i.k. at B, then X is c.i.k. at A. (4) If X is not c.i.k. at a point x of X, then there is an open set U containing x and there is a sequence ${S_i}^{infty}_{i=1}$ of components of $ar{U}$ such that $S_i{longrightarrow}S$ where S is a nondegenerate continuum containing the point x and $S_i{cap}S={emptyset}$ for each i = 1, 2, ${cdots}$.