The Ultra-Quasi-Metrically Injective Hull of a T 0-Ultra-Quasi-Metric Space

Six theorems about injective metric spaces

John Isbell · Commentarii Mathematici Helvetici · 1964 · 381 citations

Natural Sciences, Mathematics, Applied Mathematics +10

Extension of uniformly continuous transformations and hyperconvex metric spaces

N. Aronszajn, Prom Panitchpakdi · Pacific Journal of Mathematics · 1956 · 350 citations · Full text

Natural Sciences, Mathematics, Topology +10

Trees, tight extensions of metric spaces, and the cohomological dimension of certain groups: A note on combinatorial properties of metric spaces

Andreas Dress · Advances in Mathematics · 1984 · 328 citations

Natural Sciences, Mathematics, Combinatorics +15

Generalized metric spaces: Completion, topology, and powerdomains via the Yoneda embedding

Marcello Bonsangue, Franck van Breugel, J.J.M.M. Rutten · Theoretical Computer Science · 1998 · 126 citations

Natural Sciences, Mathematics, Geometry +12

Completeness in quasi-metric spaces and Ekeland Variational Principle

Ştefan Cobzaş · Topology and its Applications · 2011 · 62 citations

Natural Sciences, Historic Preservation, Topology +11