Éric Colin de Verdière, Grégory Ginot, Xavier Goaoc. Multinerves and helly numbers of acyclic families. In Tamal K. Dey, Sue Whitesides, editors, Symposuim on Computational Geometry 2012, SoCG '12, Chapel Hill, NC, USA, June 17-20, 2012. pages 209-218, ACM, 2012. [doi]
Abstract is missing.