- Diagonalization of three-dimensional pseudo-Riemannian metrics2013 | Faculty of Mathematics and Physics
- How many Ricci flat affine connections are there with arbitrary torsion?2016 | Faculty of Mathematics and Physics
- How many torsionless affine connections exist in general dimension?2016 | Faculty of Mathematics and Physics
- Existence and classification of three-dimensional Lorentzian manifold with prescribed distinct Ricci eigenvalues2016 | Faculty of Mathematics and Physics