𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Union of derivative chains of two quadratic pencils of unbounded operators

✍ Scribed by I. V. Mustyatsa


Publisher
SP MAIK Nauka/Interperiodica
Year
1992
Tongue
English
Weight
336 KB
Volume
51
Category
Article
ISSN
0001-4346

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Two-fold completeness of root vectors of
✍ Yakov Yakubov πŸ“‚ Article πŸ“… 2005 πŸ› Elsevier Science 🌐 English βš– 222 KB

We consider a spectral problem for a system of second order (in the spectral parameter) abstract pencils in a Hilbert space and prove the completeness and the Abel basis property of a system of eigenvectors and associated vectors. In some special cases, we obtain the expansion of vectors with respec