[5] On the top-dimensional $L^2$-Betti number of residually poly-Z groups (with Sam P. Fisher). To appear in Geometry and topology of polyhedral complexes conference proceedings.arXiv
[3] Universal localizations, Atiyah conjectures and graphs of groups, GAFA (open access). arXiv
[2] On vanishing criteria of $L^2$-Betti numbers of groups, Groups Geom. Dyn. (online version). arXiv
[1] Division rings for group algebras of virtually compact special groups and $3$-manifold groups (with Sam P. Fisher), J. Comb. Algebra (open access). arXiv
[*] My PhD Thesis: $L^2$-Betti numbers, Strong Atiyah Conjecture and division ring embeddings for group algebras.