Fixed points of reversible semigroups of nonexpansive mappings

Common fixed points for commuting contraction mappings

Ralph DeMarr · Pacific Journal of Mathematics · 1963 · 245 citations · Full text

Natural Sciences, Mathematics, Contract Theory +10

On amenable semigroups with a finite-dimensional set of invariant means I

Edmond E. Granirer · Illinois Journal of Mathematics · 1963 · 52 citations · Full text

Natural Sciences, Mathematics, Dynamical Systems +3

Fixed point theorem for amenable semigroup of nonexpansive mappings

Wataru Takahashi · Kodai Mathematical Journal · 1969 · 46 citations

Natural Sciences, Property Law, Dynamical Systems +10

A theorem on amenable semigroups

Edmond E. Granirer · Transactions of the American Mathematical Society · 1964 · 27 citations · Full text

Natural Sciences, Property Law, Dynamical Systems +4

A fixed point theorem for nonexpansive mappings in metric space

Yōichi Kijima, Wataru Takahashi · Kodai Mathematical Journal · 1969 · 23 citations

Natural Sciences, Mathematics, Set Theory +12