For what topological spaces $X$ do every pair of self maps of $X$ which commute under composition have a common fixed point? No nontrivial examples of such spaces are ...

This is a preview. Log in through your library . Abstract We are concerned with the question of whether a noncompact space with a nice local structure contains a ray, i.e., a closed homeomorph of [0,1 ...

Banach spaces provide a fundamental framework for analysing problems in functional analysis, encapsulating the notion of complete normed vector spaces. Metric geometry, by contrast, concerns itself ...