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Propagation des singularités des solutions déquations
On the spectrum of positive elliptic operators and perio
Clean intersection theory and Fourier Integrals
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Fourier Integral Operators and Partial Differential Equations: Colloque ...
Limited preview - 2006
analytic analytic extension analytic manifold apply assume asymptotic bundle canonical choose closed coefficients compact complex condition conic consider constant construction continuous coordinates corresponding defined définie definition denote derivatives differential dimension distributions eigenvalue elliptic equal equation equivalent estimate example exists fact follows formula function given gives groupe Hörmander implies infinite integral operators Lagrangean Lemma linear locally Maslov Math natural neighbourhood Note notion obtain opérateur operator phase functions positive principal symbol problem projection proof properties Proposition prove pseudodifferential regular relation Remark replace respect restriction result satisfying solution space submanifold Suppose symplectic tangential term Theorem theory tion unique valued vanishes variables vector write zero