1. An algorithm for determining the size of symmetry groups

   • Fritz Schwarz

   OriginalPaper Pages: 95 - 115

2. Computer-assisted reduction of second order linear differential equations

   • P. Midy

   OriginalPaper Pages: 117 - 127

3. Interpolation by bivariate quadratic splines on a four-directional mesh

   • Th. Riessinger

   OriginalPaper Pages: 129 - 137

4. A modified lobatto collocation for linear boundary value problems of differential-algebraic equations

   • Y. Bai

   OriginalPaper Pages: 139 - 150

5. A heuristic for preemptive scheduling with set-up times

   • G. J. Wöginger
   • Z. Yu

   OriginalPaper Pages: 151 - 158

6. Bounds for eigenvalues of parameter-dependent matrices

   • H. Behnke

   Short Communication Pages: 159 - 167