𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Difference f(B) — f (A) for unbounded self-adjoint operators in perturbation theory

✍ Scribed by Yu. B. Farforovskaya

Publisher
Springer US
Year
1987
Tongue
English
Weight
376 KB
Volume
36
Category
Article
ISSN
1573-8795

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

A Geometric Spectral Theory for n-tuples
A Geometric Spectral Theory for n-tuples of Self-Adjoint Operators in Finite von Neumann Algebras
✍ Charles A. Akemann; Joel Anderson; Nik Weaver 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 249 KB

Suppose b 1 , ..., b n are self-adjoint elements in a finite von Neumann algebra M with trace { and define a map 9 from M to complex (n+1)-space by the formula 9(x)=({(x), {(b 1 x), ..., {(b n x)). Next let B denote the image of the positive unit ball of M under the map 9. B is called the spectral s

Fredholm Theory for a Class of Singular
Fredholm Theory for a Class of Singular Integral Operators with Carleman Shift and Unbounded Coefficients
✍ V. G. Kravchenko; A. B. Lebre; G. S. Litvinchuk; F. S. Teixeira 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 568 KB

## Abstract A criterion for the Fredholmness of singular integral operators with Carleman shift in __L~P~(Γ__) is obtained, where Γ is either the unit circle or the real line. The approach allows to consider unbounded coefficients in a class related to that of quasicontinuous functions. Application