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Preprints, Working Papers, ... Year : 2023

Mourre theory for analytically fibered operators revisited

Christian Gérard
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About 25 years ago our article "Mourre theory for analytically fibered operators" was published in J. of Functional Analysis. This article proposed a general construction of a conjugate operator for a wide class of self-adjoint analytically fibered hamiltonians, provided that one accepts a more accurate notion of threshold. It is only recently that Olivier Poisson mentionned us a problem with the statement that H 0 ∈ C ∞ (A I). Actually even H 0 ∈ C 2 (A I) or H 0 ∈ C 1+0 (A I) , which is crucial for the full application of Mourre theory, is problematic with our initial construction. However the statement and the construction can be modified in order to make work all the theory. This is explained here.
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Dates and versions

hal-04222439 , version 1 (29-09-2023)
hal-04222439 , version 2 (17-05-2024)



Francis Nier, Christian Gérard. Mourre theory for analytically fibered operators revisited. 2024. ⟨hal-04222439v2⟩
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