躲债 发表于 2025-3-23 12:19:19
Fredholm Operatorsns will concern Wiener-Hopf integral operators and Toeplitz operators which we shall deal with in the next chapters and in Volume II. The first section contains the definition of a Fredholm operator and the first examples. In Section 2 we pay special attention to operators with closed range. The bas传授知识 发表于 2025-3-23 14:32:31
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Unbounded Linear Operatorsrators and their conjugates are analyzed with much attention paid to ordinary and partial differential operators. In particular, maximal and minimal operators and the properties of their inverses are studied. The chapter is divided into 6 sections. The first two sections are devoted to the general treception 发表于 2025-3-23 22:57:32
Eigenvalues of Finite Typeeigenvalues of finite matrices. The problem of completeness of eigenvectors and generalized eigenvectors appears in a natural way. The results are applied to compact operators. This chapter also contains limit theorems for spectra and the infinite dimensional version of Schur’s lemma about triangular forms.奇思怪想 发表于 2025-3-24 04:10:01
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Spectral Theory for Bounded Selfadjoint Operatorstor Δ. is the orthogonal projection onto the eigenspace Ker(λ. and the series converges in the operator norm. The aim of this chapter is to obtain an analogous representation for an arbitrary bounded selfadjoint operator.Estrogen 发表于 2025-3-24 12:31:47
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Integral Operators with Semi-Separable Kernelsnversion properties may be read off from certain finite dimensional operators. In the case when the operators are also trace class, their trace and determinant may be computed explicitly in terms of the associated finite dimensional operators.托人看管 发表于 2025-3-24 20:35:09
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