E-Periodica Schweizer Zeitschriften online. Revues suisses en ligne. Swiss journals online.

Volume 56 (1981)
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Download as PDF Article: Su una congettura di Petri. 1
Download as PDF Erratum: Addendum 7.1.1981. Correzione a "su una congettura di Petri". 38
Download as PDF Article: Graph theoretic techniques in algebraic geometry II: construction of singular complex surfaces of the rational cohomology type of CP2. 39
Download as PDF Article: On the existence of escaping geodesics. 59
Download as PDF Article: Anwendung einer zahlengeometrischen Methode von C.L. Siegel auf Probleme der Analysis. 66
Download as PDF Article: Spectra of manifolds with small handles. 83
Download as PDF Article: Sur les invariants d'homotopie rationnelle liés à la L.S. catégorie. 103
Download as PDF Article: On one-relator soluble groups. 123
Download as PDF Article: An elementary formula for the Fenchel-Nielsen twist. 132
Download as PDF Article: Hp (Rn) is equidistributed with Lp (Rn). 136
Download as PDF Article: Many different disk knots with the same exterior. 142
Download as PDF Article: An asymptotic series for the mean value of Dirichlet L-functions. 148
Download as PDF Article: Characterization of unbounded spectral operators with spectrum in a half-line. 163
Download as PDF Article: Curvature, diameter and Betti numbers. 179
Download as PDF Erratum: Correction to "On the characterization of flat metrics by the spectrum" 196
Download as PDF Article: An example of a Schroedinger equation with almost periodic potential and nowhere dense spectrum. 198
Download as PDF Article: The equivariant Dehn's lemma and loop theorem. 225
Download as PDF Article: Zu einem hyperbolischen Gitterpunktproblem. 240
Download as PDF Article: The Lefschetz number of an involution on the space of classes of positive definite quadratic forms. 272
Download as PDF Article: Funktionalabschätzungen bei quasikonformen Abbildungen mit Fredholmschen Eigenwerten. 297
Download as PDF Article: On the secondary classes of foliations with trivial normal bundles. 307
Download as PDF Article: Heat kernel estimates and lower bound of eigenvalues. 327
Download as PDF Article: All knots are algebraic. 339
Download as PDF Article: Arcs omitted by support points of univalent functions. 352
Download as PDF Article: Level sets of univalent functions. 366
Download as PDF Article: Whitehead transfers for S1-bundles, an algebraic description. 404
Download as PDF Article: On J.H.C. Whitehead's aspherical question I. 431
Download as PDF Article: Permutation modules and projective resolutions. 447
Download as PDF Article: Aspherical four-manifolds and the centres of two-knot groups. 465
Download as PDF Article: Über Homöomorphismen n-dimensionaler Henkelkörper und endliche Erweiterungen von Schottky-Gruppen. 474
Download as PDF Article: Affin manifolds with nilpotent holonomy. 487
Download as PDF Article: Double collisions for a classical particle system with nongravitational interactions. 524
Download as PDF Article: Ueber extremale quasikonforme Abbildungen. 558
Download as PDF Article: The fundamental group and the spectrum of the Laplacian. 581
Download as PDF Article: Self homotopy equivalences of virtually nilpotent spaces. 599
Download as PDF Article: Cyclic group actions on odd-dimensional spheres. 615
Download as PDF Article: Depth and equivariant cohomology. 627
Download as PDF Article: Tranverse foliations of Seifert bundles and self homeomorphism of the circle. 638