Geodesic
Cohomology rings of Artin groups
Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni, Série 9, Tome 11 (2000) no. 1, pp. 41-65 Cet article a éte moissonné depuis la source Biblioteca Digitale Italiana di Matematica

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In this paper integer cohomology rings of Artin groups associated with exceptional groups are determined. Computations have been carried out by using an effective method for calculation of cup product in cellular cohomology which we introduce here. Actually, our method works in general for any finite regular complex with identifications, the regular complex being geometrically realized by a compact orientable manifold, possibly with boundary. 
@article{RLIN_2000_9_11_1_a5,
     author = {Landi, Claudia},
     title = {Cohomology rings of {Artin} groups},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni},
     pages = {41--65},
     year = {2000},
     volume = {Ser. 9, 11},
     number = {1},
     zbl = {0966.55012},
     mrnumber = {MR1797053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLIN_2000_9_11_1_a5/}
}
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Landi, Claudia. Cohomology rings of Artin groups. Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni, Série 9, Tome 11 (2000) no. 1, pp. 41-65. http://geodesic.mathdoc.fr/item/RLIN_2000_9_11_1_a5/