The k(π,1) conjecture for a class of artin groups
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Ellis, Graham; Sköldberg, Emil (2010). The k(π,1) conjecture for a class of artin groups. Commentarii Mathematici Helvetici 85 (2), 409-415
Salvetti constructed a cellular space B-D for any Artin group A(D) defined by a Coxeter graph D. We show that B-D is an Eilenberg-Mac Lane space if B-D' is an Eilenberg-Mac Lane space for every subgraph D' of D involving no infinity-edges.