Pseudo-differential operators with symbols admitting negative values
Charles Fefferman, D. H. Phong (1981)
Journées équations aux dérivées partielles
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Displaying similar documents to “Lower bounds for pseudo-differential operators”
Pseudo-differential operators with symbols admitting negative values
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This paper contains some new results on lower bounds for pseudo-differential operators whose symbols do not remain positive. Non-negativity of averages of the symbol on canonical images of the unit ball is sufficient to get a Gårding type inequality for Schrödinger operators with magnetic potential and one dimensional pseudo-differential operators.
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