Volume 95, No. 3 (2020)
Commentarii Mathematici Helvetici
pp. 421–460 Algebraic flows on commutative complex Lie groupsTien-Cuong DinhDuc-Viet Vu
pp. 461–481 The action spectrum characterizes closed contact 3-manifolds all of whose Reeb orbits are closedDaniel Cristofaro-GardinerMarco Mazzucchelli
pp. 483–513 The Liouville property and random walks on topological groupsFriedrich Martin SchneiderAndreas Thom
pp. 515–534 Hyperbolic surfaces with sublinearly many systoles that fillMaxime Fortier Bourque
pp. 535–567 Squeezing Lagrangian tori in dimension 4Richard HindEmmanuel Opshtein
pp. 569–592 Rigidity of center Lyapunov exponents and -integrabilityShaobo GanYi Shi
pp. 593–633 Fractal geometry of the complement of Lagrange spectrum in Markov spectrumCarlos MatheusCarlos Gustavo Moreira