Vol. 67 (1990)

Articles

• Cancellation of Abelian groups of finite rank modulo elementary equivalence.

  Francis Oger

  5-14

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• 4-critical 4-valent planar graphs constructed with crowns.

  G. Koester

  15-22

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• Equivariant Alexander-Spanier cohomology for actions of compact Lie groups.

  Hannu Honkasalo

  23-34

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• Existence of meromorphic solutions of algebraic differential equations.

  Gary G. Gundersen, Ilpo Laine

  35-55

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• On a spanned tautological bundle.

  Harry D'souza

  56-60

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• Conformal welding of rectifiable curves.

  Christopher J. Bishop

  61-72

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• Density of the self-adjoint elements with finite spectrum in an irrational rotation $C^*$-algebra.

  Man-duen Choi, George A. Elliot

  73-86

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• Involutory antiautomorphisms of von Neumann and $C^*$-algebras.

  Jorund Gasemyr

  87-96

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• On a complete initial-boundary value problem for parabolic pseudo-differential operators.

  Veikko T. Purmonen

  97-118

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• On the casual structure of homogeneous manifolds.

  Joachim Hilgert, Karl H. Hofmann

  119-144

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• The weighted Poincaré inequalities.

  Ritva Hurri

  145-160

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• A homological proof of a theorem by Davis, Geramita, Orecchia giving the Cayley-Bacharach theorem.

  Rickard Sjögren

  161-166

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• Sophie Germain's principle and Lucas numbers.

  Anastasios Simalarides

  167-176

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• On modules induced or coinduced from Hopf subalgebras.

  K. -h. Ulbrich

  177-182

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• Stanley decompositions of the Bracket ring.

  Bernd Sturmfels, Neil White

  183-189

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• On formulas for the Frobenius number of a numerical semigroup.

  Frank Curtis

  190-192

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• Betti numbers of Buchsbaum complexes.

  Anders Björner, Takayuki Hibi

  193-196

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• Classification of irreducible projective surfaces of smooth sectional genus $\leqq 3$.

  M. Andreatta, A. J. Sommese

  197-214

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• The smooth surfaces on cubic hypersurface in $\mathsf{P}^4$ with isolated singularities.

  Alf Bjorn Aure

  215-222

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• A remark on the retracting of a ball onto a sphere in an infinite dimensional Hilbert space.

  Tomasz Komorowski, Jacek Wosko

  223-226

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• Spaces making continous convergence and locally uniform convergence coincide, their very weak P-property, and their topological behaviour.

  H. -p. Butzmann, M. Schroder

  227-254

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• Pointwise measurability in nonstandard models.

  Dieter Landers, Lothar Rogge

  255-258

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• Transpositions of UHF algebras.

  Joseph F. Conrad

  259-272

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• The transmission property.

  Gerd Grubb, Lars Hörmander

  273-289

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• The Levi problem in non-locally convex seperable topological vector spaces.

  Aboubakr Bayoumi

  290-298

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• Stable rank of Fourier algebras and an application to Korovkin theory.

  Michael Pannenberg

  299-319

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