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Proceedings of the American Mathematical Society
ISSN 1088-6826 (e) ISSN 0002-9939 (p)
     

A remark on a paper of E. B. Davies

Author(s): Maciej Zworski
Journal: Proc. Amer. Math. Soc. 129 (2001), 2955-2957.
MSC (2000): Primary 35Sxx, 81Q20
Posted: March 14, 2001
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Abstract | References | Similar articles | Additional information

Abstract:

We explain the existence of open sets of complex quasi-modes in terms of Hörmander's commutator condition.


References:

1.
E.B. Davies, Semi-classical states for non-selfadjoint Schrödinger operators, Comm. Math. Phys. 200(1999), 35-41. MR 99m:34197

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J.J. Duistermaat and J. Sjöstrand, A global construction for pseudo-differential operators with non-involutive characteristics, Inv. Math. 20(1973), 209-225. MR 49:9681

3.
V.W. Guillemin and S. Sternberg, Geometrical Asymptotics, Mathematical Surveys, 14, Amer. Math. Soc., Providence, R.I., 1977. MR 58:24404

4.
L. Hörmander, Differential equations without solutions, Math. Ann. 140(1960), 169-173. MR 26:5279

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L. Hörmander, The Analysis of Linear Partial Differential Operators IV, Grundlehren der mathematischen Wissenschaften 275, Springer-Verlag, 1985. MR 87d:35002b

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R.B. Melrose and M. Zworski, Scattering metrics and geodesic flow at infinity, Invent. Math. 124(1996), 389-436. MR 96k:58230


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Additional Information:

Maciej Zworski
Affiliation: Department of Mathematics, Evans Hall, University of California, Berkeley, California 94720
Email: zworski@math.berkeley.edu

DOI: 10.1090/S0002-9939-01-05909-3
PII: S 0002-9939(01)05909-3
Received by editor(s): January 25, 2000
Received by editor(s) in revised form: February 14, 2000
Posted: March 14, 2001
Communicated by: Christopher D. Sogge
Copyright of article: Copyright 2001, American Mathematical Society


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