BIBLIOGRAPHY​
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• Matthieu Calvez and Bert Wiest. Hyperbolic structures for Artin-Tits groups of spherical type. arXiv:1904.02234, 2019 - https://arxiv.org/abs/1904.02234
• Maria Cumplido, Volker Gebhardt, Juan Gonzalez-Meneses, and Bert Wiest. On parabolic subgroups of Artin-Tits groups of spherical type. Advances in Mathematics, to appear. - https://arxiv.org/abs/1712.06727
• Rose Morris-Wright. Parabolic subgroups to FC-type Artin groups. Journal of Pure and Applied Algebra. To appear. - https://arxiv.org/abs/1906.07058