Identifying phase-space boundaries with Voronoi tessellations Dipsikha Debnath, James S. Gainer, Can Kilic, Doojin Kim, Konstantin T. Matchev and Yuan-Pao Yang Eur. Phys. J. C, 76 11 (2016) 645 Published online: 24 November 2016 DOI: 10.1140/epjc/s10052-016-4431-z