❦ Positive definite functions on Coxeter groups with applications to operator spaces and noncommutative probability (with Marek Bożejko & Wojciech Młotkowski), Comm. Math. Phys., 361 (2018), no. 2, 583–604
❦ Uniform symplicity of groups with proximal action (with Jakób Gismatullin & Nir Lazarovich), Trans. Amer. Math. Soc. Ser. B, 4 (2017), 110-130
❦ Cancelation norm and the geometry of biinvariant word metrics (with Michael Brandenbursky, Jarek Kędra & Michał Marcinkowski), Glasgow Math. J., 58 (2016), no. 1, 153–176
❦ Indefinite Einstein metrics on simple Lie groups (with Andrzej Derdziński), Indiana Univ. Math. J., 63 (2014), no. 1, 165–212
❦ Curvature spectra of simple Lie groups (with Andrzej Derdziński), Abh. Math. Sem. Univ. Hamburg, 83 (2013), no. 2, 219–230
❦ On bi-invariant word metrics (with Jarek Kędra), J. Topol. Anal., 3 (2011), no. 2, 161–175
❦ On distortion in groups of homeomorphisms (with Jarek Kędra), J. Mod. Dyn., 5 (2011), no. 3, 609–622
❦ A two-cocycle on the group of symplectic diffeomorphisms (with Jarek Kędra), Math. Z., 271 (2012), no. 3-4, 693-706
❦ A cocycle on the group of symplectic diffeomorphisms (with Jarek Kędra), Adv. Geom., 11 (2011), no. 1, 73–88
❦ On the algebraic independence of Hamiltonian characteristic classes (with Jarek Kędra & Aleksy Tralle), J. Symp. Geom., 9 (2011), no. 1, 1–10
❦ Even- vs. Odd-dimensional Charney–Davis Conjecture (with Tadeusz Januszkiewicz), Discrete Comput. Geom., 44 (2010), no. 4, 802–804
❦ Asymptotic dimension and uniform embeddings Groups, Geometry, and Dynamics, 2 (2008), no. 1, 63–84
❦ Symplectic Configurations (with Jarek Kędra), International Mathematics Research Notices, 2006 (2006)
❦ Real Root Conjecture fails for five and higher dimensional spheres Discrete Comput. Geom., 34 (2005), no. 2, 269–284
❦ Normal subgroups of Coxeter groups Geometriæ Dedicata, 115 (2005), 65–78
❦ a-T-menabili1ty of groups acting on trees Bulletin of the Australian Mathematical Society, 69 (2004), 297–303
❦ New a-T-menable HNN extensions (with Tadeusz Januszkiewicz), Journal of Lie Theory, 13 (2003), no. 2, 383–385
❦ Euler characteristic of a configuration space of a complex Coll. Math. 89 (2001), no. 1, 61–67