Robin Spratte: Paradifferential operators and conormal distributions (10/2019).
Matthias Krüger: On the Cauchy problem for a class of degenerate hyperbolic equations (05/2018).
Nguyen Thai Ngoc: Radiation conditions for periodic potentials (01/2017).
Liu Yingbo: Small data solutions of multidimensional quasilinear wave equations (joint with Yin Huicheng, Nanjing) (12/2016).
He Daoyin: Critical exponents for semilinear Tricomi-type equations (joint with Yin Huicheng, Nanjing) (09/2016).
Martin Lippl: Scattering resonances for polyhedral obstacles (08/2016).
Ding Bingbing: Global existence and blowup of classical solutions of nonlinear multidimensional hyperbolic equations (joint with Yin Huicheng, Nanjing) (01/2015).
Zheng Jiguang: Analytic singularities near radial points (12/2014).
Maia Svanadze: Non-classical problems for viscoelastic solids with microstructure (joint with George Jaiani, Tbilisi) (10/2014).
Nguyen Thi Thu Huong: Existence of solutions of quasilinear elliptic equations on manifolds with conic points (12/2013).
Nguyen Nhu Thang: Composition theorems for paired Lagrangian distributions (11/2011).
Liu Xiaochun: A cone pseudodifferential calculus on the half-line with respect to conormal asymptotics of a given type (joint with Chen Hua, Wuhan, and B.-W. Schulze, Potsdam) (03/2000).

See also my entry at the Mathematics Genealogy Project.