On continuous preservation of norms and areas

DOI10.1007/BF01840006zbMath0686.39011MaRDI QIDQ1262479

Claudi Alsina, Jaime-Luis Garcia-Roig

Publication date: 1989

Published in: Aequationes Mathematicae (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/137328

zbMATH Keywords

orthogonal transformationgeneralized orthogonal equationparallelogram's areapreserving transformation

Mathematics Subject Classification ID

Length, area and volume in real or complex geometry (51M25) Functional equations and inequalities (39B99)

Related Items (3)

Superstability of the generalized orthogonality equation on restricted domains ⋮ On Wigner's theorem: Remarks, complements, comments, and corollaries ⋮ On mappings preserving orthogonality of non-singular vectors

Cites Work

• Unnamed Item
• The Wigner unitarity-antiunitarity theorem

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