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Stability of the essential spectrum of operators close to a unitary operator

✍ Scribed by N. G. Makarov

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

On perturbations of the spectrum of unit

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

The Essential Spectrum of Some Matrix Op

✍ F. V. Atkinson; H. Langer; R. Mennicken; A. A. Shkalikov 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 718 KB

On the essential spectrum of matrix oper

✍ A. A. Shkalikov 📂 Article 📅 1995 🏛 SP MAIK Nauka/Interperiodica 🌐 English ⚖ 273 KB

On the essential spectrum of symmetrizab

✍ Joseph I. Nieto 📂 Article 📅 1968 🏛 Springer 🌐 English ⚖ 522 KB

Problem of the triangular representation

✍ N. I. Baranov 📂 Article 📅 1990 🏛 Springer US 🌐 English ⚖ 204 KB

Spectrum of operators close to automorph

✍ A. K. Kitover 📂 Article 📅 1977 🏛 Springer US 🌐 English ⚖ 154 KB