Hu, X.: Normal Gravity Fields and Equipotential Ellipsoids of Small Objects in the Solar System: A Closed-Form Solution in Ellipsoidal Harmonics Up to the Second Degree. Astrophysical Journal 850 (1), 107 (2017)
Hu, X.: The exact transformation from spherical harmonic to ellipsoidal harmonic coefficients for gravitational field modeling. Celest. Mech. Dyn. Astron. 125 (2), pp. 195 - 222 (2016)
Analyzing the high spatial resolution solar Ca II H and K emission data obtained by the SUNRISE mission and building a model of other stars more active than the Sun
For PhD students whose project is already funded and who are applying for admission to the IMPRS, or for applicants who want to bring their own funding and their own project idea to the IMPRS.