We show that the automorphism group Aut([0,1],λ) of the Lebesgue measure has no non-trivial subgroups of index .
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm133-2-2, author = {Maciej Malicki}, title = {The automorphism group of the Lebesgue measure has no non-trivial subgroups of index $< 2^{$\omega$}$ }, journal = {Colloquium Mathematicae}, volume = {131}, year = {2013}, pages = {169-174}, zbl = {1307.22011}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm133-2-2} }
Maciej Malicki. The automorphism group of the Lebesgue measure has no non-trivial subgroups of index $< 2^{ω}$ . Colloquium Mathematicae, Tome 131 (2013) pp. 169-174. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm133-2-2/