### Former doctoral students

- Nguyen Thai Ngoc:
*Radiation conditions for periodic potentials* (01/2017).
- Liu Yingbo:
*Small data solutions of multidimensional quasilinear wave equations* (with Yin Huicheng, Nanjing) (12/2016).
- He Daoyin:
*Critical exponents for semilinear Tricomi-type equations* (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* (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* (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* (with Chen Hua, Wuhan, and B.-W. Schulze, Potsdam) (03/2000).