1. Some special solutions of the Schr\"odinger equation
2. A note on the Schrödinger maximal function
3. C. H.ChoandH.Ko ‘Note on maximal estimates of generalized Schrödinger equation’ Preprint 2018 arXiv:1809.03246.
4. Weighted restriction estimates and application to Falconer distance set problem;Du X.;Amer. J. Math.,2018
5. Lower bounds for estimates of the Schrödinger maximal function;Du X.;Math. Res. Lett.,2019