@article{AFST_2016_6_25_2-3_317_0,
     author = {Simpson, Carlos},
     title = {The dual boundary complex of the $SL_2$ character variety of a punctured sphere},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {317--361},
     publisher = {Universit\'e Paul Sabatier, Toulouse},
     volume = {Ser. 6, 25},
     number = {2-3},
     year = {2016},
     doi = {10.5802/afst.1496},
     mrnumber = {3530160},
     zbl = {1352.14009},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/afst.1496/}
}