Fefferman’s SAK principle and a priori estimates for second order operators |
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| Authors: | Lidia Maniccia Marco Mughetti |
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| Institution: | (1) Department of Mathematics, University of Bologna, Piazza di Porta S. Donato 5, 40127 Bologna, Italy |
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| Abstract: | Abstract We prove in details the higher codimensional version of Theorem 1.1 11]. This provides a complete proof of Fefferman’s SAK
Principle for a class of PDO’s with symplectic characteristic manifold.
Keywords: A priori estimates, General theory of PDO’s |
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