FREDHOLM OPERATORS AND THE ESSENTIAL SPECTRUM,
Abstract
Fredholm operators are defined and their basic properties are proved. The essential spectrum of an arbitrary closed operator is considered and its invariance under several kinds of perturbation is proved. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1965
- Accession Number
- AD0611812
Entities
People
- Martin Schechter
Organizations
- New York University