Selfadjoint operators in S-spaces
We study S-spaces and operators therein. An S-space is a Hilbert space with an additional inner product given by $\Skindef := (U\,\cdot\,,-)$, where $U$ is a unitary operator. We investigate spectral properties of selfadjoint operators in S-spaces. We show that their spectrum is symmetric with respe...
|Published in:||Journal of functional analysis, 260(2011), 4, Seite 1045-1059|
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