Advances in Mathematics 257, pages: 219-247 (2014)

           Jointly with E. Werner

            Proceedings of the London Mathematical Society (2014);  doi: 10.1112/plms/pdu055

           Jointly with E. Werner

          International Mathematics Research Notices 2015;  doi: 10.1093/imrn/rnv151

          Jointly with M. Fradelizi, O. Guedon, J. Lehec, C. Schuett and E. Werner

           Advisers: Elisabeth M. Werner and Stanislaw J. Szarek