Upper and Lower Bounds for Rayleigh-Schrodinger Perturbation Energies: A Correction
✍ Scribed by Kenneth M. Sando and Joseph O. Hirschfelder
- Book ID
- 123649759
- Publisher
- National Academy of Sciences
- Year
- 1970
- Tongue
- English
- Weight
- 187 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0027-8424
- DOI
- 10.2307/60155
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📜 SIMILAR VOLUMES
E&WI bounds for apptoximsteIy cticulated nth order wavefunctions and energies of the Rayleigh-SchrBdLnger perturbation expansion are derived. Aa alternative to the ~y~~-~t-Sche~ variation te&nique P proposed which is designed to keep the a~rnu~~o~ of errors as small as possiile. \* To be man? precis
Let X and Y be Banach spaces, and let T : X -Y be a bounded linear operator with closed range. In this paper, we give optimal lower and upper bounds for the perturbation of consistent operator equations Tz = 1/, and more general least-squares problems in Hilbert spaces.