✦ LIBER ✦

Operators which weakly perturb the spectrum

✍ Scribed by A. S. Markus; A. A. Sementsul

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The singular spectrum of the weakly pert

✍ B. S. Pavlov; S. V. Petras 📂 Article 📅 1970 🏛 Springer US 🌐 English ⚖ 384 KB

Point spectrum on a continuous spectrum

✍ S. N. Naboko; A. B. Pushnitskii 📂 Article 📅 1996 🏛 Springer US 🌐 English ⚖ 824 KB

Basicity of the root vectors of weakly p

✍ V. G. Dolgolaptev 📂 Article 📅 1983 🏛 SP MAIK Nauka/Interperiodica 🌐 English ⚖ 285 KB

Operators which are similar to unitary o

✍ L. A. Sakhnovich 📂 Article 📅 1968 🏛 Springer US 🌐 English ⚖ 612 KB

Changing the spectrum of an operator by

✍ Mark Krupnik 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 256 KB

On perturbations of the spectrum of unit

✍ N. K. Nikol'skii 📂 Article 📅 1969 🏛 SP MAIK Nauka/Interperiodica 🌐 English ⚖ 315 KB