A FIXED-POINT THEOREM IN NON-ARCHIMEDEAN VECTOR-SPACES

被引:27
作者
PETALAS, C
VIDALIS, T
机构
关键词
FIXED POINT; NON-ARCHIMEDEAN VECTOR SPACE;
D O I
10.2307/2160126
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A mapping T defined on a normed linear space X and taking values in X is said to be contractive (nonexpansive) if whenever x and y are distinct points in X, \\Tx - Ty\\ < \\x - y\\ (\\Tx - Ty\\ less-than-or-equal-to \\x - y\\). In this paper we prove that every contractive mapping on a spherically complete non-Archimedean normed space has a unique fixed point.
引用
收藏
页码:819 / 821
页数:3
相关论文
共 4 条
[1]   A FIXED-POINT FREE NON-EXPANSIVE MAP [J].
ALSPACH, DE .
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 1981, 82 (03) :423-424
[2]   ASYMPTOTIC NORMAL STRUCTURE AND FIXED-POINTS OF NONEXPANSIVE-MAPPINGS [J].
BAILLON, JB ;
SCHONEBERG, R .
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 1981, 81 (02) :257-264
[3]   A FIXED POINT THEOREM FOR MAPPINGS WHICH DO NOT INCREASE DISTANCES [J].
KIRK, WA .
AMERICAN MATHEMATICAL MONTHLY, 1965, 72 (09) :1004-&
[4]  
van Rooij ACM., 1978, NONARCHIMEDEAN FUNCT