L2oundedness of Hilbert transforms along variable curves

沿变曲线Hilbert变换的L2有界性，陈杰诚，朱相荣，设$\phi\inC^1(R^1)$,$\gamma\inC^2(R^1)$为奇或偶函数且在$(0,\infty)$为凸函数,$\gamma(0)=\gamma^{\prime}(0)=0$,定义沿曲线的Hilbert如下$$H_{\phi,\gam