1. Testing reducibility of linear differential operators: A group theoretic perspective

   • Michael F. Singer

   OriginalPaper Pages: 77 - 104

2. Semi-Invariants, equivariants and algorithms

   • Karin Gatermann

   OriginalPaper Pages: 105 - 124

3. Check character systems over groups and orthogonal Latin squares

   • Ralph-Hardo Schulz

   OriginalPaper Pages: 125 - 132

4. Total termination of term rewriting

   • M. C. F. Ferreira
   • H. Zantema

   OriginalPaper Pages: 133 - 162

5. Polynomial algorithms in computer algebra

   • Franz Winkler

   News Pages: I - I