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Found 7,061 Documents (Results 1–100)

On the bifurcation of thresholds of the essential spectrum with a spectral singularity. (English. Russian original) Zbl 07710219

Differ. Equ. 59, No. 2, 278-282 (2023); translation from Differ. Uravn. 59, No. 2, 270-274 (2023).
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Lipschitz-type bounds for functions of operators with noncompact perturbations. (English) Zbl 07691555

Alpay, Daniel (ed.) et al., Recent developments in operator theory, mathematical physics and complex analysis. Proceedings of the 32nd international workshop on operator theory and its applications, IWOTA 2021, Chapman University, Orange, CA, USA, August 9–13, 2022. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 290, 345-358 (2023).
MSC:  47A55
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