- Impulsive gravitational waves generated by null particles in de Sitter and anti-de Sitter backgrounds1997 | Faculty of Mathematics and Physics
- Impulsive waves in de Sitter and anti-de Sitter space-times generated by null particles with an arbitrary multipole structure1998 | Faculty of Mathematics and Physics
- Cut-and-paste for impulsive gravitational waves with Lambda: The geometric picture2019 | Faculty of Mathematics and Physics
- Completeness of general pp-wave spacetimes and their impulsive limit2016 | Faculty of Mathematics and Physics
