Estimates for Schr\"{o}dinger maximal operators along curve with complex time
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In the present paper, we give some characterization of the $L^{2}$ maximal estimate for the operator $P_{a,\gamma}^{t}f\big(\Gamma(x,t)\big)$ along curve with complex time, which is defined by $$P_{a,\gamma}^{t}f\big(\Gamma(x,t)\big) =\int_{\mathbb{R}} e^{i\Gamma(x,t)\xi}e^{it|\xi|^{a}} e^{-t^{\gamma}|\xi|^{a}} \hat{f}(\xi)d\xi,$$ where $t,\gamma>0$ and $a\geq2,$ curve $\Gamma$ is a function such that $\Gamma:\mathbb{R}\times[0,1]\rightarrow\mathbb{R},$ and satisfies H\"{o}lder's condition of order $\sigma$ and bilipschitz conditions. The authors extend the results of the Schr\"{o}dinger type with complex time of Bailey \cite{Bailey} and Cho, Lee and Vargas \cite{CLV} to Schr\"{o}dinger operators along the curves.
Abstract
In the present paper, we give some characterization of the $L^{2}$ maximal estimate for the operator $P_{a,\gamma}^{t}f\big(\Gamma(x,t)\big)$ along curve with complex time, which is defined by $$P_{a,\gamma}^{t}f\big(\Gamma(x,t)\big) =\int_{\mathbb{R}} e^{i\Gamma(x,t)\xi}e^{it|\xi|^{a}} e^{-t^{\gamma}|\xi|^{a}} \hat{f}(\xi)d\xi,$$ where $t,\gamma>0$ and $a\geq2,$ curve $\Gamma$ is a function such that $\Gamma:\mathbb{R}\times[0,1]\rightarrow\mathbb{R},$ and satisfies H\"{o}lder's condition of order $\sigma$ and bilipschitz conditions. The authors extend the results of the Schr\"{o}dinger type with complex time of Bailey \cite{Bailey} and Cho, Lee and Vargas \cite{CLV} to Schr\"{o}dinger operators along the curves.
참고문헌 (12)
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