TY - JOUR AU - Miguel Raggi TI - Forbidden configurations: Finding the number predicted by the Anstee-Sali conjecture is NP-hard JO - Ars Mathematica Contemporanea PY - 2016 SP - 1 EP - 8 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.438.300/ DO - 10.26493/1855-3974.438.300 LA - en ID - 10_26493_1855_3974_438_300 ER -