Volume 80, No. 4 (2005)
Commentarii Mathematici Helvetici
pp. 691–723 On the -cohomology of rings of numerical polynomialsAndrew BakerBirgit Richter
pp. 725–754 Spectral convergence of manifold pairsKarsten FissmerUrsula Hamenstädt
pp. 755–769 A prime analogue of the Erdös--Pomerance conjecture for elliptic curvesYu-Ru Liu
pp. 771–793 The Weinstein conjecture for planar contact structures in dimension threeCasim AbbasKai CieliebakHelmut W. Hofer
pp. 795–810 Invariant *-products on coadjoint orbits and the Shapovalov pairingAnton AlekseevA. Lachowska
pp. 811–858 The theory of minimal surfaces inWilliam H. MeeksHarold Rosenberg
pp. 859–881 The symplectic topology of Ramanujam's surfacePaul SeidelIvan Smith
pp. 883–910 Lorentzian Kleinian groupsCharles Frances
pp. 911–933 Delzant's -invariant, Kolmogorov complexity and one-relator groupsIlya KapovichPaul Schupp