Pseudospectrum for differential operators
Séminaire Équations aux dérivées partielles (Polytechnique) dit aussi "Séminaire Goulaouic-Schwartz" (2002-2003), Talk no. 16, 9 p.
Sjöstrand, Johannes 1

1 CMAT, Ecole Polytechnique, FR-91128 Palaiseau cedex, and UMR 7640, CNRS
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Sjöstrand, Johannes. Pseudospectrum for differential operators. Séminaire Équations aux dérivées partielles (Polytechnique) dit aussi "Séminaire Goulaouic-Schwartz" (2002-2003), Talk no. 16, 9 p. http://www.numdam.org/item/SEDP_2002-2003____A16_0/

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