WAX 发表于 2025-3-28 17:49:22

The Heat Expansion for Systems of Integral Equations,In this paper we derive an analogue for integral operators of the well-known heat expansion for the Laplacian or other operators of positive order. Previous work established a partial expansion of . 1 terms for a single integral operator in . dimensions. This is here extended to systems of operators.

苦笑 发表于 2025-3-28 20:24:13

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水土 发表于 2025-3-28 23:07:31

Studieneinheit: Intensivlandwirtschaft,etric closed relation . in a Hilbert space ℌ by means of generalized resolvents, characteristic functions and Štraus extensions. In this paper we show how these results can be applied when . comes from a 2.×2. Hamiltonian system of ordinary differential equations on an interval [.), (1.1) .[.), ℓ∈ℂ,

acrimony 发表于 2025-3-29 03:40:26

Viral Proteins Counteracting Host Defensesator on the Hubert space ., and σ.(A) ⊂Λ} is described in terms of f, Λ and the different parts of the spectra of the operators. (Here à denotes the canonical projection of A in the Calkin algebra, and σ.(A) is the essential spectrum of A.) The results include spectral characterizations of interior

overbearing 发表于 2025-3-29 08:53:18

Robert Pestel,Rudi Roth,Theo Schlickmann∉ E where e. is the standard orthonormal basis of ℂ.. M. (ℂ). is the set of positive semi-definite n × n matrices with complex entries. For X . M. (ℂ). a cone, define the order of X, denoted ord(X), to be the smallest integer k such that the elements of X of rank at most k generate X as a cone. For

长处 发表于 2025-3-29 14:53:31

Reach Set Computation Using Optimal Controln between the smoothness of b(x) (measured using the Besov scale) and the decay of the singular values of the commutator (measured using the Schatten ideals) is well understood when the index, p, is greater than one. Here we offer results for the case p = 1. The simplest example, when the integral o

discord 发表于 2025-3-29 19:12:13

Volume Therapy and Ocular Diseases,ircle. These notions, as well as how they are related to each other, are analyzed from several points of view: energy bookkeeping in the circuit, analytic conditions on . and on the associated scattering matrix ., geometry of shift invariant subspaces, positive definiteness conditions on associated

记成蚂蚁 发表于 2025-3-29 21:52:19

Hydroxyethyl Starch and Reperfusion Injury,ed by M.B. Abrahamse is refined. This is accomplished by viewing the planar domain as a domain on its double and applying the methods of Hilbert barrier problems associated with divisors as developed by R.N. Abdulaev, N. Koppelman, Yu.L. Rodin and E.I. Zverovich. In essence the results on barrier pr

LAY 发表于 2025-3-30 01:53:25

Bewertung des Erfolges Vernetzter Praxen,attering structures on Hilbert spaces as well as the trigonometric polynomials under the shift operator. In this last example, the Hankel and Toeplitz forms acting in it coincide with the usual ones. Given two positive Toeplitz forms in a scattering system, the Hankel forms bounded with respect to t

Institution 发表于 2025-3-30 06:30:51

https://doi.org/10.1007/978-3-642-59702-2tion to singular systems with boundary conditions. The case of finite block Toeplitz matrices is also included. Fredholm characteristics are computed. All formulas are explicit and based on a realization of the symbol as a transfer function of a singular system.
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查看完整版本: Titlebook: Contributions to Operator Theory and its Applications; Proceedings of the C I. Gohberg,J. W. Helton,L. Rodman Conference proceedings 1988 B