On mappings approximately preserving orthogonality

On maps that preserve orthogonality in normed spaces

A. Blanco, Aleksej Turnšek · Proceedings of the Royal Society of Edinburgh Section A Mathematics · 2006 · 89 citations

Natural Sciences, Mathematics, Topology +7

Linear mappings approximately preserving orthogonality

Jacek Chmieliński · Journal of Mathematical Analysis and Applications · 2004 · 74 citations

Natural Sciences, Architectural Representation, Representation Theory +6

Stability of the orthogonality preserving property in finite-dimensional inner product spaces

Jacek Chmieliński · Journal of Mathematical Analysis and Applications · 2005 · 31 citations

Natural Sciences, Mathematics, Finite Element Analysis +9

-Isometries in Euclidean spaces

Igor A. Vestfrid · Nonlinear Analysis · 2005 · 19 citations

Natural Sciences, Mathematics, Geometry +11

On a singular case in the Hyers–Ulam–Rassias stability of the Wigner equation

Jacek Chmieliński · Journal of Mathematical Analysis and Applications · 2003 · 14 citations

Natural Sciences, Mathematics, Physics +11