#### Volume 10, issue 3 (2006)

 1 M Abert, Y Glasner, Generic groups acting on a regular tree, preprint 2 G Baumslag, On generalised free products, Math. Z. 78 (1962) 423 MR0140562 3 E Breuillard, T Gelander, A topological Tits alternative, to appear in Annals of Math. 4 E Breuillard, T Gelander, On dense free subgroups of Lie groups, J. Algebra 261 (2003) 448 MR1966638 5 Y de Cornulier, A Mann, Some residually finite groups satisfying laws, to appear in the proceedings of the conference “Asymptotic and Probabilistic Methods in Geometric Group Theory”, Geneva (2005) 6 D B A Epstein, Almost all subgroups of a Lie group are free, J. Algebra 19 (1971) 261 MR0281776 7 T Gelander, Y Glasner, Countable primitive groups, to appear in Geom. Funct. Anal. 8 T Gelander, A Zuk, Dependence of Kazhdan constants on generating subsets, Israel J. Math. 129 (2002) 93 MR1910934 9 V Kaloshin, The existential Hilbert 16–th problem and an estimate for cyclicity of elementary polycycles, Invent. Math. 151 (2003) 451 MR1961336 10 A Lubotzky, B Weiss, Groups and expanders, from: "Expanding graphs (Princeton, NJ, 1992)", DIMACS Ser. Discrete Math. Theoret. Comput. Sci. 10, Amer. Math. Soc. (1993) 95 MR1235570 11 G A Margulis, Some remarks on invariant means, Monatsh. Math. 90 (1980) 233 MR596890 12 D Montgomery, L Zippin, Topological transformation groups, Interscience Publishers, New York-London (1955) MR0073104 13 Z Sela, Diophantine geometry over groups I: Makanin–Razborov diagrams, Publ. Math. Inst. Hautes Études Sci. (2001) 31 MR1863735 14 D Sullivan, For $n\gt 3$ there is only one finitely additive rotationally invariant measure on the $n$–sphere defined on all Lebesgue measurable subsets, Bull. Amer. Math. Soc. $($N.S.$)$ 4 (1981) 121 MR590825 15 J Tits, Free subgroups in linear groups, J. Algebra 20 (1972) 250 MR0286898