𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Upper and lower bounds and the generalized variation-perturbation approach of many-electron theory

✍ Scribed by Osvaldo Goscinski; Oktay Sinanoǧlu


Publisher
John Wiley and Sons
Year
1968
Tongue
English
Weight
337 KB
Volume
2
Category
Article
ISSN
0020-7608

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Lower and upper bounds for the perturbat
✍ Jiu Ding 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 202 KB

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.

The variational upper and lower bounds f
✍ M.S. Yuriev 📂 Article 📅 1970 🏛 Elsevier Science 🌐 English ⚖ 183 KB

A variational procedure for calculating upper and lower bounds for the logarithm of the average energy cf excitation InZ in the theory of the stopping power of :Itoms and molecules is described. The upper and lower bounds for lnlof the hydrogen atom are calculated. '?he author is' greatly indebted