On lattice isomorphisms with positive real spectrum and groups of positive operators
β Scribed by Helmut H. Schaefer; Manfred Wolff; Wolfgang Arendt
- Publisher
- Springer-Verlag
- Year
- 1978
- Tongue
- French
- Weight
- 458 KB
- Volume
- 164
- Category
- Article
- ISSN
- 0025-5874
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
A problem of m-parameter perturbation of a family of positive definite operators with fvted bounds on their spectrum is considered. A criterion for m Q 2 and a sufficient condition for m > 2 are obtained for the operators of the perturbed family to be positive definite.
## Abstract Let __h__(__z__) = __z__ + __a__~2~__z__^2^ + β β β be analytic in the unit disc \documentclass{article}\usepackage{amssymb}\begin{document}\pagestyle{empty}${\cal U}$\end{document} on the complex plane \documentclass{article}\usepackage{amssymb}\begin{document}\pagestyle{empty}$\mathbf {
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