A system coupling and Donoghue classes of Herglotz-Nevanlinna functions

DOI10.1007/s11785-016-0530-yzbMath1346.81039arXiv1506.06627OpenAlexW2962765854MaRDI QIDQ285503

Eduard Tsekanovskii, Sergey Belyi, Konstantin A. Makarov

Publication date: 19 May 2016

Published in: Complex Analysis and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1506.06627

zbMATH Keywords

transfer functionWeyl-Titchmarsh functionsymmetric operatorimpedance functiondissipative extensionDonoghue classHerglotz-Nevanlinna functionL-systemLivsic functionvon Neumann parameter

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) Linear symmetric and selfadjoint operators (unbounded) (47B25) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05)

Related Items (2)

Perturbations of Donoghue classes and inverse problems for L-systems ⋮ On the c-entropy of L-systems with Schrödinger operator

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