✦ LIBER ✦
On a class of multiparameter perturbations of positive definite operators with fixed bounds on their spectrum
✍ Scribed by S.M. Malamud
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 834 KB
- Volume
- 274
- Category
- Article
- ISSN
- 0024-3795
No coin nor oath required. For personal study only.
✦ Synopsis
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.