1. Necessary conditions for the existence of branched coverings

   • Neal Brand

   OriginalPaper Pages: 1 - 10

2. On Rossmann's character formula for discrete series

   • M. Vergne

   OriginalPaper Pages: 11 - 14

3. Polar curves and intersection matrices of singularities

   • A. M. Gabrielov

   OriginalPaper Pages: 15 - 22

4. Gauss sums and elliptic functions: II. The quartic sum

   • C. R. Matthews

   OriginalPaper Pages: 23 - 52

5. The geometry ofΩ ² S ³ and braid orientations

   • Ralph L. Cohen

   OriginalPaper Pages: 53 - 67

6. Slicing doubles of knots in homology 3-spheres

   • R. A. Litherland

   OriginalPaper Pages: 69 - 74

7. Groupes de cohomologie d'un fibré holomorphe à base et à fibre de Stein

   • B. Jennane

   OriginalPaper Pages: 75 - 79

8. Reduction of Hamiltonian systems, affine Lie algebras and Lax equations

   • A. G. Reyman
   • M. A. Semenov-Tian-Shansky

   OriginalPaper Pages: 81 - 100

9. Spectra of compact locally symmetric manifolds of negative curvature

   • J. J. Duistermaat
   • J. A. C. Kolk
   • V. S. Varadarajan

   Erratum Pages: 101 - 101