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A counterexample to a lower bound for a class of pseudodifferential operators


Authors: Marco Mughetti and Fabio Nicola
Journal: Proc. Amer. Math. Soc. 132 (2004), 3299-3303
MSC (2000): Primary 35S05
DOI: https://doi.org/10.1090/S0002-9939-04-07486-6
Published electronically: June 2, 2004
MathSciNet review: 2073305
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Abstract: We present a counterexample to a possible improvement of a lower bound for a class of pseudodifferential operators with symplectic characteristic manifold.

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

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Additional Information

Marco Mughetti
Affiliation: Department of Mathematics, University of Bologna, Piazza di Porta S. Donato 5, 40127 Bologna, Italy
Email: mughetti@dm.unibo.it

Fabio Nicola
Affiliation: Department of Mathematics, University of Torino, via Carlo Alberto 10, 10123 Torino, Italy
Email: nicola@dm.unito.it

DOI: https://doi.org/10.1090/S0002-9939-04-07486-6
Keywords: Pseudodifferential operators, lower bounds
Received by editor(s): August 10, 2003
Published electronically: June 2, 2004
Communicated by: David S. Tartakoff
Article copyright: © Copyright 2004 American Mathematical Society