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Bulletin of the American Mathematical Society

ISSN 1088-9485(online) ISSN 0273-0979(print)

 
 

 

A perturbation lemma


Author: Karl Gustafson
Journal: Bull. Amer. Math. Soc. 72 (1966), 334-338
DOI: https://doi.org/10.1090/S0002-9904-1966-11521-5
MathSciNet review: 0187101
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References | Additional Information

References [Enhancements On Off] (What's this?)

  • 1. Seymour Goldberg, Unbounded linear operators with applications, McGraw-Hill, New York (to appear). MR 200692
  • 2. T. Kato, Perturbation theory for nullity, deficiency, and other quantities of linear operators, J. Analyse Math. 6 (1958), 261-321. MR 107819
  • 3. Edward Nelson, Feynman integrals and the Schrödinger equation, J. Mathematical Phys. 5 (1964), 332-343. MR 161189


Additional Information

DOI: https://doi.org/10.1090/S0002-9904-1966-11521-5

American Mathematical Society