Uniformly nonsquare Banach spaces have the fixed point property for nonexpansive mappings

A Fixed Point Theorem for Mappings which do not Increase Distances

W. A. Kirk · American Mathematical Monthly · 1965 · 1K citations

Natural Sciences, Computer Science, Mathematics +10

On James and Jordan–von Neumann constants and the normal structure coefficient of Banach spaces

Mikio Kato, Lech Maligranda, Yasuji Takahashi · Studia Mathematica · 2001 · 142 citations · Full text

Natural Sciences, Mathematics, Topology +3

On two classes of Banach spaces with uniform normal structure

Ji Gao, Ka‐Sing Lau · Studia Mathematica · 1991 · 111 citations · Full text

Natural Sciences, Property Law, Topology +1

The Fixed Point Property in Banach Spaces with the NUS-Property

Jesús Garcı́a Falset · Journal of Mathematical Analysis and Applications · 1997 · 85 citations

Natural Sciences, Property Law, Temporary Anchorage Devices +8

A class of spaces with weak normal structure

Brailey Sims · Bulletin of the Australian Mathematical Society · 1994 · 67 citations · Full text

Natural Sciences, Mathematics, Representation Theory +8