Abstract
We consider the partial non-stationary perturbation determinant
Here H is a self-adjoint operator in some Krein space \( \mathcal{K}\) and A is a self-adjoint operator in the Hilbert space \( \mathcal{H}_1\), which is the positive component of a fundamental decomposition of \( \mathcal{H}_1\) with corresponding orthogonal projection P1. The asymptotic behavior of δ (1) H/A (t) for t → ∞ and the spectral shift function for H and its diagonal part are studied. Analogous results for the case if the underlying space is a Hilbert space were obtained in [1].
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References
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© 2005 Birkhäuser Verlag Basel/Switzerland
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Adamyan, V., Jonas, P., Langer, H. (2005). Partial Non-stationary Perturbation Determinants for a Class of J-symmetric Operators. In: Förster, KH., Jonas, P., Langer, H. (eds) Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems. Operator Theory: Advances and Applications, vol 162. Birkhäuser Basel. https://doi.org/10.1007/3-7643-7453-5_1
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