Gives regularity and growth conditions on ψ and γ making the multiplier of the curve operator bounded, hence T bounded on L²(ℝ²), with some Lp extension.
Stein and Stephen Wainger, Problems in harmonic analysis related to curvature, Bull
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Estimates for strongly singular operators along curves
Gives regularity and growth conditions on ψ and γ making the multiplier of the curve operator bounded, hence T bounded on L²(ℝ²), with some Lp extension.