Remarks on Dispersive Estimates and Curvature
نویسندگان
چکیده
We investigate connections between certain dispersive estimates of a (pseudo)differential operator of real principal type and the number of nonvanishing curvatures of its characteristic manifold. More precisely, we obtain sharp thresholds for the range of Lebesgue exponents depending on the specific geometry.
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تاریخ انتشار 2006