Alexander Pushnitski, “Spectral Theory of Discontinuous Functions of Self-Adjoint Operators: Essential Spectrum”, Integr. Equ. Oper. Theory, 68, № 1, 2010, 75
Aleksei Aleksandrov, Fedor Nazarov, Vladimir Peller, “Functions of perturbed noncommuting self-adjoint operators”, Comptes Rendus. Mathématique, 353, № 3, 2015, 209
Aleksei Aleksandrov, Vladimir Peller, “Almost commuting functions of almost commuting self-adjoint operators”, Comptes Rendus. Mathématique, 353, № 7, 2015, 583
A.B. Aleksandrov, V.V. Peller, D.S. Potapov, F.A. Sukochev, “Functions of normal operators under perturbations”, Advances in Mathematics, 226, № 6, 2011, 5216
A. B. Aleksandrov, V. V. Peller, “Functions of perturbed pairs of noncommuting contractions”, Izv. Math., 84, № 4, 2020, 659
Elif OTKUN ÇEVİK, “The Convergence of Some Spectral Characteristics on the Convergent Series”, Bilecik Şeyh Edebali Üniversitesi Fen Bilimleri Dergisi, 10, № 2, 2023, 423
Vladimir Vsevolodovich Peller, “Пространства Бесова в теории операторов”, Успехи математических наук, 79, № 1(475), 2024, 3
Supriyadi Wibowo, Christiana Rini Indrati, 455, Applied and Computational Mathematics, 2024, 393
Vladimir Vsevolodovich Peller, “Besov spaces in operator theory”, Russian Math. Surveys, 79, № 1, 2024, 1
Elif Otkun Çevik, “The Continuity Properties of Some Ratio Gaps of Hilbert Space Operators”, Lobachevskii J Math, 45, № 10, 2024, 4925