2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77464In this article we construct a piecewise Euclidean, non-positively curved 2-complex for the 3-generator Artin groups of large type. As a consequence we show that these groups are biautomatic. A slight modification of the proof shows that many other Artin groups are also biautomatic. The general question (whether all Artin groups are biautomatic) remains open.8 pages, See also http://www.math.tamu.edu/~mccammon/Group TheoryGeometric Topologytext