JournalslemVol. 56, No. 1/2Volume 56, No. 1/2 (2010) L’Enseignement Mathématiquepp. 3–47Torsion automorphisms of simple Lie algebrasMark Reederpp. 49–72A Wreath Product Approach to Classical Subgroup TheoremsLuis RibesBenjamin Steinbergpp. 73–85Del Pezzo surfaces of degree 4 and their relation to Kummer surfacesAlexei N. Skorobogatovpp. 87–142Positivity of direct image sheaves a geometric point of viewAndreas Höringpp. 143–171Unsolvable problems about higher-dimensional knots and related groupsFrancisco González-AcuñaCameron GordonJonathan Simonpp. 173–185Free subgroups in groups with few relatorsJohn S. Wilsonpp. 187–188Commission Internationale de l'Enseignement Mathématique. Renouvellement du Comit excutif de la CIEMBernard R. Hodgsonpp. 189–199Commission Internationale de l'Enseignement Mathématique. Discussion Document for the Twenty-First ICMI Study
pp. 143–171Unsolvable problems about higher-dimensional knots and related groupsFrancisco González-AcuñaCameron GordonJonathan Simon
pp. 187–188Commission Internationale de l'Enseignement Mathématique. Renouvellement du Comit excutif de la CIEMBernard R. Hodgson
pp. 189–199Commission Internationale de l'Enseignement Mathématique. Discussion Document for the Twenty-First ICMI Study
