Zhenqui, Zhang, A Restriction Theorem Associated with the Generalized Sublaplacian, Acta Mathematica Sinica, New Series Chinese Journal of Mathematics, 12(2), 1996, pp. 133-140
In this paper, we investigate the generalized Subplancian. We give the expression of the restriction operators explicity. By introducing the generalized l-twisted convolutions, we obtain the estimates of the restriction operators in the mixed L^p spaces. Finally, we get a restriction theorem associated withh the generalized Subplancian.