Nichols Roger

Publications in Math-Net.Ru

1. A generalized Birman–Schwinger principle and applications to one-dimensional Schrödinger operators with distributional potentials
   
   Funktsional. Anal. i Prilozhen., 59:3 (2025),  6–40
2. Donoghue $m$-functions for Singular Sturm–Liouville operators
   
   Algebra i Analiz, 35:1 (2023),  134–183