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초록
In this paper, we introduce the concepts of preconvexity neighborhoods, c-concave functions. We study some properties for cconvex functions, and characterize c-convex functions and c-concave functions by using the preconvexity neighborhoods.
키워드
preconvexity; preconvex neighborhood; c-concave function
- 제목
- Some results on preconvexity spaces
- 저자
- Min, Won Keun
- 발행일
- 2008-02
- 유형
- Article
- 저널명
- 대한수학회보
- 권
- 45
- 호
- 1
- 페이지
- 39 ~ 44