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Commentarii Mathematici Helvetici

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