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Factorizations and Power Weighted Rellich and Hardy–Rellich-Type Inequalities Enthalten in The journal of geometric analysis Bd. 35, 24.4.2025, Nr. 6, date:6.2025: 1-49
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Logarithmic refinements of a power weighted Hardy–Rellich-type inequality Enthalten in Annals of functional analysis Bd. 15, 8.8.2024, Nr. 4, date:10.2024: 1-11
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On a question of A. E. Nussbaum on measurability of families of closed linear operators in a Hilbert space Enthalten in Israel journal of mathematics Bd. 188, 1.8.2011, Nr. 1, date:3.2012: 195-219
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24 |
On Factorizations of Analytic Operator-Valued Functions and Eigenvalue Multiplicity Questions Enthalten in Integral equations and operator theory Bd. 82, 13.12.2014, Nr. 1, date:5.2015: 61-94
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On the Global Limiting Absorption Principle for Massless Dirac Operators Enthalten in Institut Henri Poincaré: Annales Henri Poincaré Bd. 19, 17.4.2018, Nr. 7, date:7.2018: 1993-2019
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26 |
On the Witten index in terms of spectral shift functions Enthalten in Journal d'analyse mathématique Bd. 132, 29.6.2017, Nr. 1, date:6.2017: 1-61
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27 |
Spectral $$\varvec\zeta }$$ ζ -functions and $$\varvec\zeta }$$ ζ -regularized functional determinants for regular Sturm–Liouville operators Enthalten in Research in the mathematical sciences Bd. 8, 27.10.2021, Nr. 4, date:12.2021: 1-46
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Strict domain monotonicity of the principal eigenvalue and a characterization of lower boundedness for the Friedrichs extension of four-coefficient Sturm–Liouville operators Enthalten in Acta scientiarum mathematicarum Bd. 88, 8.8.2022, Nr. 1-2, date:8.2022: 189-222
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The Jacobi Operator on $$(-1,1)$$ ( - 1 , 1 ) and Its Various m-Functions Enthalten in Complex analysis and operator theory Bd. 18, 17.9.2024, Nr. 7, date:10.2024: 1-69
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