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Necessary and sufficient conditions for the almost-positivity of certain 4th-order pseudodifferential operators. A generalization
Veröffentlicht/Copyright:
9. März 2009
Abstract
We give necessary and sufficient conditions for the lower bound
to hold for any compact set K ⊂ X, an open set of ℝn, for certain pseudodifferential operators 
with 
being transversally elliptic with respect to the characteristic manifold 
.
Received: 1996-06-07
Revised: 1997-09-29
Published Online: 2009-03-09
Published in Print: 1998-05-08
© Walter de Gruyter
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Artikel in diesem Heft
- Filtrations in feedback synthesis: Part II – Input-output decoupling and disturbance decoupling
- Necessary and sufficient conditions for the almost-positivity of certain 4th-order pseudodifferential operators. A generalization
- Necessary conditions on composition operators acting between Besov spaces. The case 1 < s < n/p. III
- Regular split embedding problems over complete valued fields
- On convergence theorems for space quasiregular mappings
- Extensions of three classical theorems to modules with maximum condition for finite matrix subgroups
Artikel in diesem Heft
- Filtrations in feedback synthesis: Part II – Input-output decoupling and disturbance decoupling
- Necessary and sufficient conditions for the almost-positivity of certain 4th-order pseudodifferential operators. A generalization
- Necessary conditions on composition operators acting between Besov spaces. The case 1 < s < n/p. III
- Regular split embedding problems over complete valued fields
- On convergence theorems for space quasiregular mappings
- Extensions of three classical theorems to modules with maximum condition for finite matrix subgroups
