Only trivial Borel measures on $S_{\infty}$ are quasi-invariant under automorphisms.
Kallman, Robert R.
Pacific J. Math., Tome 79 (1978) no. 2, p. 453-461 / Harvested from Project Euclid
Publié le : 1978-05-14
Classification:  28A70,  22A10
@article{1102806832,
     author = {Kallman, Robert R.},
     title = {Only trivial Borel measures on $S\_{\infty}$ are quasi-invariant under automorphisms.},
     journal = {Pacific J. Math.},
     volume = {79},
     number = {2},
     year = {1978},
     pages = { 453-461},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1102806832}
}
Kallman, Robert R. Only trivial Borel measures on $S_{\infty}$ are quasi-invariant under automorphisms.. Pacific J. Math., Tome 79 (1978) no. 2, pp.  453-461. http://gdmltest.u-ga.fr/item/1102806832/