Nonsurjective nearisometries of Banach spaces

On approximate isometries

D. H. Hyers, Stanislaw M. Ulam · Bulletin of the American Mathematical Society · 1945 · 179 citations · Full text

On non linear perturbations of isometries

Matjaž Omladič, Peter Šemrl · Mathematische Annalen · 1995 · 115 citations

Natural Sciences, Mathematics, Dynamical Systems +9

Approximate isometries

D. G. Bourgin · Bulletin of the American Mathematical Society · 1946 · 58 citations · Full text

Natural Sciences, Mathematics, Geometry +6

Approximate Isometries on Finite-Dimensional Normed Spaces

S. J. Dilworth · Bulletin of the London Mathematical Society · 1999 · 49 citations

Natural Sciences, Computational Engineering, Topology +8

ɛ-Isometric Embeddings

S. Qian · Proceedings of the American Mathematical Society · 1995 · 29 citations