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Convergence of the Diagonal Operator Valued Pade Approximants to the Dyson Expansion

Authors
  • Narcowich, F.J.
  • Allen, G.D.
Publication Date
Jan 01, 1975
Identifiers
DOI: 10.1007/BF01629245
OAI: oai:inspirehep.net:105127
Source
INSPIRE-HEP
Keywords
License
Unknown
External links

Abstract

The diagonal operator-valued Padé approximants formed from the Dyson expansion to the Schrödinger time-evolution operator are shown to converge everywhere in the complex plane, except on a certain subset of the real axis.

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