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Commentarii Mathematici Helvetici

Commentarii Mathematici Helvetici Volume 54 (1979)
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Front matter _
Front matter _
Table of Contents _
Article: Cylinders in Riemann surfaces 1
Article: Courbure et singularités complexes. 6
Article: Über Extremalprobleme für schlichte Lösungen elliptischer Differentialgleichungssysteme. 17
Article: Bestimmung konvexer Körper durch Krümmungsmaße. 42
Article: Über Bahnen und deren Deformationen bei linearen Aktionen reduktiver Gruppen. 61
Article: The normality of closures of orbits in a Lie algebra. 105
Article: The invariance principle. 111
Article: Sur les Plongements du Type Déformation. 126
Article: Some properties of groups without the property P1. 133
Article: Non-smoothable varieties. 140
Article: A note on groups with torsion-free abelianization and trivial multiplicator. 147
Article: Ein Beitrag zur Whitney-Regularität im unendlichdimensionalen Fall. 159
Article: The values of sectional curvature in indefinite metrics. 173
Article: The Jenkins Strebel differentials with one cylinder are dense. 179
Article: Some rational computations of the Waldhausen algebraic K theory. 185
Article: Geometry of hypersurfaces and mapping theorems in Cn. 199
Article: A homological characterization of foliations consisting of minimal surfaces. 218
Article: Quelques notions simples en géométrie riemannienne et leurs applications aux feuilletages compacts. 224
Article: Group representations without groups. 240
Article: Funktionale von primitiven Polygonen Kleinscher Ebenen. 288
Article: Konvexe Polytope mit kongruenten regulären (n-1)- Seiten im Rn (n...4). 304
Article: On division by inner factors. 309
Article: Tresses, monodromie et le groupe symplectique. 318
Article: A Landesman-Lazer alternative theorem for a class of optimization problems. 328
Article: Simplicity of the projective unitary groups defined by simple factors. 334
Article: Concordance implies homotopy for classical links in M3. 347
Article: Classification of simple knots by Levine pairings. 356
Article: The Boolean algebra of spectra. 368
Article: Finitude du nombre des classes d'isomorphisme des structures isométriques entières. 378
Article: Area preserving twist homeomorphism of the annulus. 397
Article: A universal space for normal bundles of n-manifolds. 405
Article: Dichtepunkte im Spektrum Riemannscher Flächen. 431
Article: Abelian group extensions and the axiom of constructibility. 440
Article: Boundary regularity and the uniform convergence of quasiconformal mappings. 458
Article: Ueber den ersten Eigenwert des Laplace-Operators auf kompakten Flächen. 477
Article: Extremal eigenvalue problems defined on conformal classes of compact Riemannian manifolds. 494
Article: Sur le spectre des opérateurs elliptiques à bicaractéristiques toutes les périodiques. 508
Article: Exponential sums associated with algebraic number fields. 523
Article: Une famille infinie de noeuds fibrés cobordants à zero et ayant même polynôme d'Alexander. 562
Article: Some topological aspects of C* actions on compact Kaehler manifolds. 567
Article: On the number of solutions of linear equations in units of an algebraic number field. 583
Article: The secondary characteristic classes of parabolic foliations. 601
Artikel: Groups of finite quasi-projective dimension. 615
Artikel: On Mackey's Imprimitivity Theorem. 629
Artikel: Dirichlet regions in manifolds without conjugate points. 642
Artikel: Twisted Hopf Algebras. 659