Hypoelliptic operators with double characteristics
A. Menikoff (1976-1977)
Séminaire Équations aux dérivées partielles (Polytechnique)
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Displaying similar documents to “On some localized estimates for pseudo-differential operators”
Hypoelliptic operators with double characteristics
Pseudo-differential operators with symbols admitting negative values
Charles Fefferman, D. H. Phong (1981)
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Lower bounds for pseudo-differential operators
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Séminaire Équations aux dérivées partielles (Polytechnique)
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On hypoelliptic operators with double characteristics
A. Menikoff (1977)
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Classes of spatially inhomogeneous pseudodifferential operators
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Pseudo-differential operators with positive symbols
C. Fefferman, D. H. Phong (1980-1981)
Séminaire Équations aux dérivées partielles (Polytechnique)
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A general class of Gevrey-type pseudo differential operators
Otto Liess, Luigi Rodino (1983)
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Hölder estimates and hypoellipticity
André Unterberger, Julianne Unterberger (1976)
Annales de l'institut Fourier
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The aim of this paper is to show how, in order to prove regularity theorems, Hölder estimates, i.e. estimates involving products of powers of different semi-norms, can be used as well as standard estimates, and may in some instances be casier to prove.