Operators and Matrices · Volume 14, Issue 4 Explicit Krein resolvent identities for singular Sturm-Liouville operators with applications to Bessel operators 14-65 Pages 1043-1099 DOI 10.7153/oam-2020-14-65 Downloads Short PDF Full PDF PNG Authors S. Blake Allan Justin Hanbin Kim Gregory Michajlyszyn Roger Nichols Don Rung Keywords Krein identity singular Sturm-Liouville operator Bessel operator spectral shift function Subject classes 47A10 47A55 47A56 47B10