JournalscmhVol. 95, No. 3

Volume 95, No. 3 (2020)

Commentarii Mathematici Helvetici

Comment. Math. Helv. cover

pp. 421–460
Algebraic flows on commutative complex Lie groups
Tien-Cuong DinhDuc-Viet Vu
DOI 10.4171/CMH/492
pp. 461–481
The action spectrum characterizes closed contact 3-manifolds all of whose Reeb orbits are closed
Daniel Cristofaro-GardinerMarco Mazzucchelli
DOI 10.4171/CMH/493
pp. 483–513
The Liouville property and random walks on topological groups
Friedrich Martin SchneiderAndreas Thom
DOI 10.4171/CMH/494
pp. 515–534
Hyperbolic surfaces with sublinearly many systoles that fill
Maxime Fortier Bourque
DOI 10.4171/CMH/495
pp. 535–567
Squeezing Lagrangian tori in dimension 4
Richard HindEmmanuel Opshtein
DOI 10.4171/CMH/496
pp. 569–592
Rigidity of center Lyapunov exponents and $s u$ -integrability
Shaobo GanYi Shi
DOI 10.4171/CMH/497
pp. 593–633
Fractal geometry of the complement of Lagrange spectrum in Markov spectrum
Carlos MatheusCarlos Gustavo Moreira
DOI 10.4171/CMH/498