Unsolvability of the occurrence problem in Artin groups of finite type (Q1078324)

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scientific article; zbMATH DE number 3959760
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Unsolvability of the occurrence problem in Artin groups of finite type
scientific article; zbMATH DE number 3959760

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    Unsolvability of the occurrence problem in Artin groups of finite type (English)
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    1985
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    The question of the occurrence problem in Artin groups of finite type is considered. It is shown that for groups \(B_ n\), \(n\geq 4\), \(D_ n\), \(F_ 4\), \(F_ 6\), \(F_ 7\), \(F_ 8\), \(H_ 4\) the occurrence problem is undecidable and it is decidable for \(B_ 2\), \(G_ 2\), \(J_ 2(p)\), where \(p=5\) or \(p\geq 7\). The question remains open for \(A_ 3\), \(B_ 3\), \(H_ 3\).
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    occurrence problem
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    Artin groups of finite type
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