Bicyclic units of ℤ𝕊_{𝕟}

Bicyclic units of $\mathbb {Z} S_n$
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by Aurora Olivieri and Ángel del Río PDF

Proc. Amer. Math. Soc. 131 (2003), 1649-1653 Request permission

We prove that the group generated by the bicyclic units of $\mathbb {Z} S_n$ has torsion for $n\ge 4$. This answers a question of Sehgal (1993).

References

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