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On the Positive Parts of Second Order Symmetric Pseudodifferential Operators

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Abstract.

Using microlocalization, the positive and the negative parts for a class of second order formally self-adjoint pseudodifferential operators are constructed.

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Authors and Affiliations

  1. Department of Mathematics, University of Bologna, Piazza di Porta S. Donato 5, 40127, Bologna, Italy

    Marco Mughetti

  2. Dipartimento di Matematica, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Torino, Italy

    Fabio Nicola

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  1. Marco Mughetti
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  2. Fabio Nicola
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Correspondence to Fabio Nicola.

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Mughetti, M., Nicola, F. On the Positive Parts of Second Order Symmetric Pseudodifferential Operators. Integr. equ. oper. theory 64, 553–572 (2009). https://doi.org/10.1007/s00020-009-1699-5

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  • DOI: https://doi.org/10.1007/s00020-009-1699-5

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