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Hilbert Transforms Along Curves in the Heisenberg Group
Authors:Kim  Joonil
Institution:G-2 Kwangmyeng Villa 129 Dongsoongdong Chongrogu Seoul Korea 110-510 jikim7030{at}hanmail.net
Abstract:We consider Hilbert transforms along curves {Gamma} on the Heisenberggroup. In particular, necessary and sufficient conditions forthe L2-boundedness are given for {Gamma}(t)=(t,{gamma}(t),0) when {gamma} is evenor odd and convex on R+. 1991 Mathematics Subject Classification:42B20, 42B25.
Keywords:Hilbert transform  Heisenberg group  group Fourier transform  doubling property  almost orthogonality
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