1. The primitive ideal space of solvable Lie groups

   • L. Pukanszky

   OriginalPaper Pages: 75 - 118

2. Regularity of the singular sets of two-dimensional area-minimizing flat chains modulo 3 inR ³

   • Jean E. Taylor

   OriginalPaper Pages: 119 - 159

3. Semi-free circle actions on spheres

   • J. Levine

   OriginalPaper Pages: 161 - 186