Gesztesy Fritz

Publications in Math-Net.Ru

1. Donoghue $m$-functions for Singular Sturm–Liouville operators
   
   Algebra i Analiz, 35:1 (2023),  134–183
2. Radial and logarithmic refinements of Hardy's inequality
   
   Algebra i Analiz, 30:3 (2018),  55–65
3. On the Koplienko spectral shift function. I. Basics
   
   Zh. Mat. Fiz. Anal. Geom., 4:1 (2008),  63–107
4. $\mathrm{SL}_2(\mathbb R)$, exponential Herglotz representations, and spectral averaging
   
   Algebra i Analiz, 15:3 (2003),  104–144
5. The spectrum of Schrödinger operators with quasi-periodic algebro-geometric KdV potentials
   
   Mat. Fiz. Anal. Geom., 10:4 (2003),  447–468