✦ LIBER ✦

Diminishing of the spectrum of an operator under extension

✍ Scribed by M. I. Ostrovskii

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

On the defect spectrum of an extension o

✍ Vladimír Kordula 📂 Article 📅 1998 🏛 Springer 🌐 English ⚖ 317 KB

On the Spectrum of an Equivariant Extens

✍ V. P. Burskii; T. V. Shtepina 📂 Article 📅 2000 🏛 Springer 🌐 English ⚖ 164 KB

Extensions of Operators Leaving the Spec

✍ M. Jung 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 508 KB

Instability spectrum of an operator bund

✍ A. I. Miloslavskii 📂 Article 📅 1991 🏛 SP MAIK Nauka/Interperiodica 🌐 English ⚖ 362 KB

On the negative spectrum of an elliptic

✍ R. V. Guseinov 📂 Article 📅 2010 🏛 SP MAIK Nauka/Interperiodica 🌐 English ⚖ 178 KB

Changing the spectrum of an operator by

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