JournalscmhVol. 84, No. 2

Volume 84, No. 2 (2009)

Commentarii Mathematici Helvetici

Comment. Math. Helv. cover

pp. 223–233
Diameter pinching in almost positive Ricci curvature
Erwann Aubry
DOI 10.4171/CMH/160
pp. 235–258
Freeness of conic-line arrangements in $P^{2}$
Henry K. SchenckŞtefan O. Tohǎneanu
DOI 10.4171/CMH/161
pp. 259–296
Groups with finitely many conjugacy classes and their automorphisms
Ashot Minasyan
DOI 10.4171/CMH/162
pp. 297–337
Lower algebraic $K$ -theory of hyperbolic 3-simplex reflection groups
Jean-François LafontIvonne J. Ortiz
DOI 10.4171/CMH/163
pp. 339–349
$N K_{0}$ and $N K_{1}$ of the groups $C_{4}$ and $D_{4}$ . Addendum to “Lower algebraic $K$ -theory of hyperbolic 3-simplex reflection groups” by J.-F. Lafont and I. J. Ortiz
Charles A. Weibel
DOI 10.4171/CMH/164
pp. 351–386
Complete surfaces with positive extrinsic curvature in product spaces
José M. EspinarJosé A. GálvezHarold Rosenberg
DOI 10.4171/CMH/165
pp. 387–427
Counting tropical elliptic plane curves with fixed $j$ -invariant
Michael KerberHannah Markwig
DOI 10.4171/CMH/166
pp. 429–436
On the Weinstein conjecture in higher dimensions
Peter AlbersHelmut W. Hofer
DOI 10.4171/CMH/167
pp. 437–455
Amenable groups and Hadamard spaces with a totally disconnected isometry group
Pierre-Emmanuel Caprace
DOI 10.4171/CMH/168