u-mappings on trees
M.M. Marsh · Pacific Journal of Mathematics · 1987
David Bellamy has shown that there exist tree-like continua which do not have the fixed point property.We give sufficient conditions for a tree-like continuum to have the fixed point property.In order to establish this result, we define w-mappings on trees and show that each ^-mapping is universal.Our results generalize similar theorems of C. A. Eberhart and J. B. Fugate in [3].