JournalslemVol. 61, No. 1/2Volume 61, No. 1/2 (2015) L’Enseignement Mathématiquepp. 1–2Daniel Coraypp. 3–43Hilbert’s 5th ProblemLou van den DriesIsaac Goldbringpp. 45–69On Karamata’s proof of the Landau–Ingham Tauberian theoremMichael Mügerpp. 71–92SL2(Z)-tilings of the torus, Coxeter–Conway friezes and Farey triangulationsSophie Morier-GenoudValentin OvsienkoSerge Tabachnikovpp. 93–137On the Van Est homomorphism for Lie groupoidsDavid Li-BlandEckhard Meinrenkenpp. 139–149The index of isolated umbilics on surfaces of non-positive curvatureFrancisco FonteneleFrederico Xavierpp. 151–159A true relative of Suslin’s normality theoremBogdan Nicapp. 161–210A functorial extension of the abelian Reidemeister torsions of three-manifoldsVincent FlorensGwénaël Massuyeaupp. 211–243Bilinear pairings on elliptic curvesAndreas Engepp. 245–247Commission Internationale de l'Enseignement Mathématique. Inaugural Emma Castelnuovo Award for excellence in the practice of mathematics educationpp. 249–259Commission Internationale de l'Enseignement Mathématique. ICMI study "Task design in mathematics education": An outline of progressAnne WatsonMinoru Ohtanipp. 1–16Bulletin bibliographique
pp. 71–92SL2(Z)-tilings of the torus, Coxeter–Conway friezes and Farey triangulationsSophie Morier-GenoudValentin OvsienkoSerge Tabachnikov
pp. 139–149The index of isolated umbilics on surfaces of non-positive curvatureFrancisco FonteneleFrederico Xavier
pp. 161–210A functorial extension of the abelian Reidemeister torsions of three-manifoldsVincent FlorensGwénaël Massuyeau
pp. 245–247Commission Internationale de l'Enseignement Mathématique. Inaugural Emma Castelnuovo Award for excellence in the practice of mathematics education
pp. 249–259Commission Internationale de l'Enseignement Mathématique. ICMI study "Task design in mathematics education": An outline of progressAnne WatsonMinoru Ohtani