JournalscmhVol. 84, No. 3Volume 84, No. 3 (2009) Commentarii Mathematici Helveticipp. 457–470Simplicial volume of Hilbert modular varietiesC. LöhRoman Sauerpp. 471–502Relations between tautological cycles on JacobiansBen Moonenpp. 503–546Relatively hyperbolic groups: geometry and quasi-isometric invarianceCornelia Druţu Badeapp. 547–569The geometry of genus-one helicoidsDavid HoffmanBrian Whitepp. 571–585Hamiltonian pseudo-representationsVincent Humilièrepp. 587–616Chern numbers and the geometry of partial flag manifoldsD. KotschickS. Terzićpp. 617–638New constructions of slice linksTim D. CochranStefan FriedlPeter Teichnerpp. 639–671Zariski <var>k</var>-plets via dessins d’enfantsAlex Degtyarevpp. 673–704Totally umbilic surfaces in homogeneous 3-manifoldsRabah SouamEric Toubiana