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＜E-Book＞
Conservative Realizations of Herglotz-Nevanlinna Functions / by Yuri Arlinskii, Sergey Belyi, Eduard Tsekanovskii
(Operator Theory: Advances and Applications. ISSN:22964878 ; 217)

Edition	1st ed. 2011.
Publisher	(Basel : Springer Basel : Imprint: Birkhäuser)
Year	2011
Language	English
Size	XVIII, 530 p : online resource
Authors	*Arlinskii, Yuri author Belyi, Sergey author Tsekanovskii, Eduard author SpringerLink (Online service)
Subjects	LCSH:Operator theory LCSH:Mathematical physics FREE:Operator Theory FREE:Mathematical Methods in Physics
Notes	Preface -- 1 Extensions of Symmetric Operators -- 2 Rigged Hilbert Spaces -- 3 Bi-extensions of Closed Symmetric Operators.-.4 Quasi-self-adjoint Extensions -- 5 The Livsic Canonical Systems with Bounded Operators -- 6 Herglotz-Nevanlinna functions and Rigged Canonical Systems -- 7 Classes of realizable Herglotz-Nevanlinna functions -- 8 Normalized Canonical Systems -- 9 Canonical L-systems with Contractive and Accretive Operators -- 10 Systems with Schrödinger operator -- 11 Non-self-adjoint Jacobi Matrices and System Interpolation -- 12 Non-canonical Systems -- Notes and Comments -- References -- Index This book is devoted to conservative realizations of various classes of Stieltjes, inverse Stieltjes, and general Herglotz-Nevanlinna functions as impedance functions of linear systems. The main feature of the monograph is a new approach to the realization theory profoundly involving developed extension theory in triplets of rigged Hilbert spaces and  unbounded operators as state-space operators of linear systems. The connections of the realization theory to systems with accretive, sectorial, and contractive state-space operators as well as  to the Phillips-Kato sectorial extension problem, the Krein-von Neumann and Friedrichs extremal extensions are provided. Among other results the book contains applications to the inverse problems for linear systems with non-self-adjoint Schrödinger operators,  Jacobi matrices, and to the Nevanlinna-Pick system interpolation HTTP:URL=https://doi.org/10.1007/978-3-7643-9996-2

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