A functional equation related to Wigner's theorem

DOI10.1007/s00010-024-01042-8MaRDI QIDQ6562894

Shuming Wang, Xu-Jian Huang, Li-Ming Zhang

Publication date: 27 June 2024

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

zbMATH Keywords

functional equationisometryWigner's theoremcomplex inner product spaces

Mathematics Subject Classification ID

Equations involving nonlinear operators (general) (47J05) Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Isometric theory of Banach spaces (46B04) Functional equations for complex functions (39B32)

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