Caprace, Pierre-Emmanuel Amenable groups and Hadamard spaces with a totally disconnected isometry group. (English) Zbl 1233.20037 Comment. Math. Helv. 84, No. 2, 437-455 (2009). MSC: 20F65 22D05 53C20 43A07 PDFBibTeX XMLCite \textit{P.-E. Caprace}, Comment. Math. Helv. 84, No. 2, 437--455 (2009; Zbl 1233.20037) Full Text: DOI arXiv Link
Albers, Peter; Hofer, Helmut On the Weinstein conjecture in higher dimensions. (English) Zbl 1166.53052 Comment. Math. Helv. 84, No. 2, 429-436 (2009). Reviewer: David E. Blair (East Lansing) MSC: 53D10 53D35 37J45 PDFBibTeX XMLCite \textit{P. Albers} and \textit{H. Hofer}, Comment. Math. Helv. 84, No. 2, 429--436 (2009; Zbl 1166.53052) Full Text: DOI arXiv Link
Kerber, Michael; Markwig, Hannah Counting tropical elliptic plane curves with fixed \(j\)-invariant. (English) Zbl 1205.14071 Comment. Math. Helv. 84, No. 2, 387-427 (2009). Reviewer: Alexander Esterov (Madrid) MSC: 14N35 14T05 51M20 14N10 PDFBibTeX XMLCite \textit{M. Kerber} and \textit{H. Markwig}, Comment. Math. Helv. 84, No. 2, 387--427 (2009; Zbl 1205.14071) Full Text: DOI arXiv Link
Espinar, José M.; Gálvez, José A.; Rosenberg, Harold Complete surfaces with positive extrinsic curvature in product spaces. (English) Zbl 1166.53040 Comment. Math. Helv. 84, No. 2, 351-386 (2009). Reviewer: Vasyl Gorkaviy (Kharkov) MSC: 53C42 53C40 PDFBibTeX XMLCite \textit{J. M. Espinar} et al., Comment. Math. Helv. 84, No. 2, 351--386 (2009; Zbl 1166.53040) Full Text: DOI arXiv Link
Weibel, Charles \(NK_{0}\) and \(NK_{1}\) of the groups \(C_{4}\) and \(D_{4}\). (English) Zbl 1167.19003 Comment. Math. Helv. 84, No. 2, 339-349 (2009). Reviewer: Daniel Juan Pineda (Michoacan) MSC: 19D35 19A31 19B28 18F25 16E20 PDFBibTeX XMLCite \textit{C. Weibel}, Comment. Math. Helv. 84, No. 2, 339--349 (2009; Zbl 1167.19003) Full Text: DOI Link
Lafont, Jean-François; Ortiz, Ivonne J. Lower algebraic \(K\)-theory of hyperbolic 3-simplex reflection groups. (English) Zbl 1172.19001 Comment. Math. Helv. 84, No. 2, 297-337 (2009). Reviewer: Daniel Juan Pineda (Michoacan) MSC: 19A31 19B28 19D35 18F25 16E20 PDFBibTeX XMLCite \textit{J.-F. Lafont} and \textit{I. J. Ortiz}, Comment. Math. Helv. 84, No. 2, 297--337 (2009; Zbl 1172.19001) Full Text: DOI arXiv Link
Minasyan, Ashot Groups with finitely many conjugacy classes and their automorphisms. (English) Zbl 1180.20033 Comment. Math. Helv. 84, No. 2, 259-296 (2009). Reviewer: Stephan Rosebrock (Karlsruhe) MSC: 20F67 20F65 20F28 20E45 20E36 20F05 20E07 PDFBibTeX XMLCite \textit{A. Minasyan}, Comment. Math. Helv. 84, No. 2, 259--296 (2009; Zbl 1180.20033) Full Text: DOI arXiv Link
Schenck, Hal; Tohǎneanu, Ştefan O. Freeness of conic-line arrangements in \(\mathbb P^{2}\). (English) Zbl 1183.52014 Comment. Math. Helv. 84, No. 2, 235-258 (2009). Reviewer: David L. Forge (Orsay) MSC: 52C35 PDFBibTeX XMLCite \textit{H. Schenck} and \textit{Ş. O. Tohǎneanu}, Comment. Math. Helv. 84, No. 2, 235--258 (2009; Zbl 1183.52014) Full Text: DOI arXiv Link
Aubry, Erwann Diameter pinching in almost positive Ricci curvature. (English) Zbl 1167.53033 Comment. Math. Helv. 84, No. 2, 223-233 (2009). Reviewer: Peter B. Gilkey (Eugene) MSC: 53C20 PDFBibTeX XMLCite \textit{E. Aubry}, Comment. Math. Helv. 84, No. 2, 223--233 (2009; Zbl 1167.53033) Full Text: DOI Link