patella
发表于 2025-3-23 10:39:19
,On Some Aspects of V.E. Katsnelson’s Investigations on Interrelations Between Left and Right Blaschby a linear fractional transformation of matrices which is generated by some ..—inner function, where .. :=diag (.., —..),and where the Schur class ..(.) is used as the set of parameters (see, e.g., , and ). Conversely, there arises the following inverse problem: Given a ..—inner func
沉思的鱼
发表于 2025-3-23 16:23:11
On Some Development of the S. Krein Pencil Theory, .: .(λ) = λ.. + λ. + . (1)is called a selfadjoint operator pencil. The point λ ∈ . is said to be a regular point of . (λ ∈ .(.)) if 0 ∈ .(.(λ)). Analogously λ ∈ . is a point of the spectrum of . (an eigenvalue of ., respectively) if 0 ∈ σ(.(λ)) (0 ∈ σ.(.(λ)), respectively. The point infinity is sai
Cervical-Spine
发表于 2025-3-23 20:53:06
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旧石器
发表于 2025-3-24 01:35:51
On The Spectral on the Theory of an Elliptic Boundary Value Problem Involving an Indefinite Weight,ly, the spectral theory for a pencil of the form . — λ. acting in a Hilbert space ..(Ω), where Ω ⊂ ℝ. is a bounded region and . ≥ 2. Here . is a non-self adjoint operator and . is a multiplication operator in ..(Ω) induced by a real-valued weight function which assumes both positive and negative val
课程
发表于 2025-3-24 05:48:10
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为现场
发表于 2025-3-24 10:25:33
Analysis of the Radiation Loss: Asymptotics Beyond all Orders,. (1.1) arises. Here 0 < ∈ ≪ 1 is a parameter and λ is an eigenvalue. One boundary condition associated with equation (1.1) is . (1.2) for some . > 0. The other boundary condition is imposed at ϰ = +∞. Several authors have computed a desired quantity Im.(0;λ), which is called the radiation loss, for
Hot-Flash
发表于 2025-3-24 13:11:20
Selfadjoint Extensions of a Closed Linear Relation of Defect One in a Krein Space, a Krein space (., [·, ·]). These extensions are described by their resolvents, that is, M. G. Krein’s formula for the resolvents of the extensions of a symmetric densely defined operator with defect (1,1) is generalized to the situation considered here. The main difficulties which arise with this g
thyroid-hormone
发表于 2025-3-24 15:33:01
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你正派
发表于 2025-3-24 19:17:59
Nonlinear Equations and Inverse Spectral Problems on the Axis,y problem on the axis (—∞ < ϰ < ∞). In the papers – the transition from the method of the scattering problem to the method of the inverse spectral problem was performed. It permitted to investigate some nonlinear equations on the half axis (0 ≤ ∞ < ∞).
具体
发表于 2025-3-24 23:47:54
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