Realization and factorization for rational matrix functions with symmetries.- Lossless inverse scattering and reproducing kernels for upper triangular operators.- Zero-pole structure of nonregular rational matrix functions.- Structured interpolation theory.- Extension theorems for contraction operators on Krein spaces.
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Anbieter: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Deutschland
Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The classicallossless inverse scattering (LIS) problem of network theory is to find all possible representations of a given Schur function s(z) (i. e. , a function which is analytic and contractive in the open unit disc D) in terms of an appropriately restricted class of linear fractional transformations. These linear fractional transformations corre spond to lossless, causal, time-invariant two port networks and from this point of view, s(z) may be interpreted as the input transfer function of such a network with a suitable load. More precisely, the sought for representation is of the form s(Z) = -{ -A(Z)SL(Z) + B(z)}{ -C(Z)SL(Z) + D(z)} -1 , (1. 1) where 'the load' SL(Z) is again a Schur function and _ [A(Z) B(Z)] 0( ) (1. 2) Z - C(z) D(z) is a 2 x 2 J inner function with respect to the signature matrix This means that 0 is meromorphic in D and 0(z) J0(z) ::5 J (1. 3) for every point zED at which 0 is analytic with equality at almost every point on the boundary Izi = 1. A more general formulation starts with an admissible matrix valued function X(z) = [a(z) b(z)] which is one with entries a(z) and b(z) which are analytic and bounded in D and in addition are subject to the constraint that, for every n, the n x n matrix with ij entry equal to X(Zi)J X(Zj ) i,j=l, . . . 305 pp. Englisch. Bestandsnummer des Verkäufers 9783764325305
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Hardcover. Ex-library with stamp and library-signature. GOOD condition, some traces of use. C-03689 3764325305 Sprache: Englisch Gewicht in Gramm: 1050. Bestandsnummer des Verkäufers 2489612
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Zustand: New. Editor(s): Gohberg, Prof. Israel. Num Pages: 312 pages, black & white illustrations. BIC Classification: PBK. Category: (P) Professional & Scholarly; (UP) Postgraduate; (UU) Undergraduate. Dimension: 229 x 152 x 16. Weight in Grams: 425. . 1990. Paperback. . . . . Bestandsnummer des Verkäufers V9783764325305
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Zustand: New. Editor(s): Gohberg, Prof. Israel. Num Pages: 312 pages, black & white illustrations. BIC Classification: PBK. Category: (P) Professional & Scholarly; (UP) Postgraduate; (UU) Undergraduate. Dimension: 229 x 152 x 16. Weight in Grams: 425. . 1990. Paperback. . . . . Books ship from the US and Ireland. Bestandsnummer des Verkäufers V9783764325305
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