The remainder in asymptotic integration

Horst Behncke
2008 Proceedings of the American Mathematical Society  
Quantitative estimates for the remainder terms in Levinson's Theorem are provided. This gives a precise meaning to the idea that small perturbations should result in small remainder terms.
doi:10.1090/s0002-9939-08-09403-3 fatcat:p2skph2hzbartjyzgwpru7jhjy