1. Optimal timing of periodic follow-up advertising impulses

   • M. R. Wolff
   • R. Subramanian

   OriginalPaper Pages: 89 - 101

2. Lexicographic quasiconcave multiobjective programming

   • F. A. Behringer

   OriginalPaper Pages: 103 - 116

3. Shortest route with time dependent length of edges and limited delay possibilities in nodes

   • J. Halpern

   OriginalPaper Pages: 117 - 124

4. Comparison of duality models in fractional linear programming

   • J. Abrham
   • S. Luthra

   OriginalPaper Pages: 125 - 130

5. Optimization of moves and measurements in networks with stochastic costs

   • G. Barla
   • G. Bartolini
   • R. Zoppoli

   OriginalPaper Pages: 131 - 141

6. Complementarity for arbitrary cones

   • B. D. Craven
   • B. Mond

   OriginalPaper Pages: 143 - 150

7. Tagungen

   Events Pages: 151 - 151

8. Buchbesprechungen

   • H. -H. Schröder
   • U. Zimmermann
   • P. Stahlknecht

   BookReview Pages: 152 - 156