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Generalization of Wigner's unitary-antiunitary theorem for indefinite inner product spaces

Lajos Molnar
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Abstract

We present a generalization of Wigner's unitary-antiunitary theorem for pairs of ray transformations. As a particular case, we get a new Wigner-type theorem for non-Hermitian indefinite inner product spaces.

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Lajos Molnar. 2000-05-17. Generalization of Wigner's unitary-antiunitary theorem for indefinite inner product spaces. https://doi.org/10.1007/s002200050799

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