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Spectral Properties at a Threshold for Two-Channel Hamiltonians: II. Applications to Scattering Theory

โœ Scribed by Michael Melgaard

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
153 KB
Volume
256
Category
Article
ISSN
0022-247X

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Spectral Properties at a Threshold for T
Spectral Properties at a Threshold for Two-Channel Hamiltonians I. Abstract Theory
โœ Michael Melgaard ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 151 KB

Spectral properties at thresholds are investigated for two-channel Hamiltonians in various, mostly fairly ''singular'' settings. In an abstract framework we deduce asymptotic expansions of the resolvent as the spectral parameter tends to a threshold. The results are based on given asymptotic expansi