Geodesic
On the commutator group of the group of interval exchange transformations
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Order and chaos in dynamical systems, Tome 297 (2017), pp. 313-325.

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We study the group of interval exchange transformations and obtain several characterizations of its commutator group. In particular, it turns out that the commutator group is generated by elements of order $2$. 
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Yaroslav Vorobets. On the commutator group of the group of interval exchange transformations. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Order and chaos in dynamical systems, Tome 297 (2017), pp. 313-325. http://geodesic.mathdoc.fr/item/TM_2017_297_a16/

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