Naimi, Ramin Foliations transverse to fibers of Seifert manifolds. (English) Zbl 0797.55009 Comment. Math. Helv. 69, No. 1, 155-162 (1994). MSC: 55R05 57R30 47A35 57M99 37A99 PDF BibTeX XML Cite \textit{R. Naimi}, Comment. Math. Helv. 69, No. 1, 155--162 (1994; Zbl 0797.55009) Full Text: DOI EuDML
Alessandrini, Giovanni Nodal lines of eigenfunctions of the fixed membrane problem in general convex domains. (English) Zbl 0838.35006 Comment. Math. Helv. 69, No. 1, 142-154 (1994). MSC: 35B05 35P05 35J05 58J50 35J67 PDF BibTeX XML Cite \textit{G. Alessandrini}, Comment. Math. Helv. 69, No. 1, 142--154 (1994; Zbl 0838.35006) Full Text: DOI EuDML
Donkin, Stephen Polynomial invariants of representations of quivers. (English) Zbl 0816.16015 Comment. Math. Helv. 69, No. 1, 137-141 (1994). Reviewer: W.Rump (Eichstätt) MSC: 16G20 14L30 20G05 PDF BibTeX XML Cite \textit{S. Donkin}, Comment. Math. Helv. 69, No. 1, 137--141 (1994; Zbl 0816.16015) Full Text: DOI EuDML
Kahn, Bruno On the cohomology of biquadratic extensions. (English) Zbl 0798.12007 Comment. Math. Helv. 69, No. 1, 120-136 (1994). Reviewer: T.Nguyen Quang Do (Besançon) MSC: 12G05 11R34 PDF BibTeX XML Cite \textit{B. Kahn}, Comment. Math. Helv. 69, No. 1, 120--136 (1994; Zbl 0798.12007) Full Text: DOI EuDML
Levine, J. P. Link invariants via eta invariant. (English) Zbl 0831.57012 Comment. Math. Helv. 69, No. 1, 82-119 (1994). Reviewer: R.E.Stong (Charlottesville) MSC: 57Q45 57R20 PDF BibTeX XML Cite \textit{J. P. Levine}, Comment. Math. Helv. 69, No. 1, 82--119 (1994; Zbl 0831.57012) Full Text: DOI EuDML
Bowditch, B. H. Some results on the geometry of convex hulls in manifolds of pinched negative curvature. (English) Zbl 0967.53022 Comment. Math. Helv. 69, No. 1, 49-81 (1994). Reviewer: A.Papadopoulos (Strasbourg) MSC: 53C20 53C23 PDF BibTeX XML Cite \textit{B. H. Bowditch}, Comment. Math. Helv. 69, No. 1, 49--81 (1994; Zbl 0967.53022) Full Text: DOI EuDML
Meinert, Holger The geometric invariants of direct products of virtually free groups. (English) Zbl 0834.20039 Comment. Math. Helv. 69, No. 1, 39-48 (1994). Reviewer: A.Papadopoulos (Strasbourg) MSC: 20F65 20J05 55P20 20F05 20E05 PDF BibTeX XML Cite \textit{H. Meinert}, Comment. Math. Helv. 69, No. 1, 39--48 (1994; Zbl 0834.20039) Full Text: DOI EuDML
Levitt, Gilbert Graphs of actions on \(\mathbf R\)-trees. (English) Zbl 0802.05044 Comment. Math. Helv. 69, No. 1, 28-38 (1994). Reviewer: U.Baumann (Dresden) MSC: 05C25 05C05 PDF BibTeX XML Cite \textit{G. Levitt}, Comment. Math. Helv. 69, No. 1, 28--38 (1994; Zbl 0802.05044) Full Text: DOI EuDML
Fieseler, Karl-Heinz On complex affine surfaces with \(\mathbb{C}^ +\)-action. (English) Zbl 0806.14033 Comment. Math. Helv. 69, No. 1, 5-27 (1994). Reviewer: D.M.Snow (Notre Dame) MSC: 14L30 32J05 14J99 PDF BibTeX XML Cite \textit{K.-H. Fieseler}, Comment. Math. Helv. 69, No. 1, 5--27 (1994; Zbl 0806.14033) Full Text: DOI EuDML
Estudillo, Francisco J. M.; Romero, Alfonso On the Gauss curvature of maximal surfaces in the 3-dimensional Lorentz- Minkowski space. (English) Zbl 0810.53050 Comment. Math. Helv. 69, No. 1, 1-4 (1994). Reviewer: F.Dillen (Leuven) MSC: 53C42 53C50 PDF BibTeX XML Cite \textit{F. J. M. Estudillo} and \textit{A. Romero}, Comment. Math. Helv. 69, No. 1, 1--4 (1994; Zbl 0810.53050) Full Text: DOI EuDML