Abstract
Let X be a Banach space, let K be a non-empty closed subset of X and let T : K →X be a non-self mapping. The main result of this paper is that if T satisfies the contractive-type condition (1.1) below and maps ∂K (∂K the boundary of K) into K, then T has a unique fixed point in K.
Original language | English |
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Pages (from-to) | 28-33 |
Number of pages | 6 |
Journal | Mathematische Nachrichten |
Volume | 251 |
DOIs | |
Publication status | Published - 2003 |
Keywords
- Banach space
- Fixed point
- Nonself-mapping
ASJC Scopus subject areas
- Mathematics(all)