Titlebook: Advances in Complex Analysis and Operator Theory; Festschrift in Honor Fabrizio Colombo,Irene Sabadini,Mihaela B. Vajiac Book 2017 Springer

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Productivity in Business Services. can be chosen as the fixed extension in M.G. Krein’s formula for the description of all generalized resolvents of .. Among other results, we describe those parameters which in Krein’s formula correspond to self-adjoint extensions of . having . as their compression to ..

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https://doi.org/10.1007/978-1-349-13273-7utions of the truncated matricial [.]-Hausdorff moment problem, which satisfy some extremality properties. The proofs are mainly of algebraic character. The use of the parallel sum of matrices is an essential tool in the proofs.

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Advances in Complex Analysis and Operator Theory978-3-319-62362-7Series ISSN 2297-0215 Series E-ISSN 2297-024X

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Understanding and Asking about Time,ry goal was the computation of the capacity of a finite union of intervals. We show that the spectral curve, given by the Burchnall–Chaundy theory for commuting differences operators and hyperelliptic theta functions play a chief role. This is the first of two papers devoted to this subject.

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Productivity in Business Servicesesentations of ., (iii) the C.-algebras . induced by ., and (iv) free probability on the free product C.-probability space .’s over primes ., where .. are the general linear groups . over the .-adic number fields ., for primes .. In particular, we are mainly interested in the operator-algebraic prop

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The Growth of European Business Servicesn years ago and it is nowadays well developed. It turned out that this theory allows to define new fractional diffusion processes. In this note we announce new results on the quaternionic version of the .. functional calculus and we use them to compute the fractional powers of vector operators. Such

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Productivity in Business ServicesA. Coddington, we describe all self-adjoint extensions . of . in a Hilbert space . where .. The parameters in this description are matrices ., where . determine the compression .. According to a result of W. Stenger, this compression . is self-adjoint. Being a canonical self-adjoint extension of .,