1. Determination of the 3D border by repeated elimination of internal surfaces

   • H. H. Atkinson
   • I. Gargantini
   • M. V. S. Ramanath

   Contibuted Papers Pages: 279 - 295

2. Numerical solution of the obstacle problem by the penalty method

   • R. Scholz

   Contibuted Papers Pages: 297 - 306

3. A collocation method for boundary value problems of differential equations with functional arguments

   • A. Bellen
   • M. Zennaro

   Contibuted Papers Pages: 307 - 318

4. Algorithms for smoothing data on the sphere with tensor product splines

   • P. Dierckx

   Contibuted Papers Pages: 319 - 342

5. Zur Konvergenz der Ableitungen von Interpolationspolynomen

   • R. Haverkamp

   Contibuted Papers Pages: 343 - 355

6. An optimal algorithm for computing the minimum vertex distance between two crossing convex polygons

   • G. T. Toussaint

   Short Communications Pages: 357 - 364

7. Exact computation of spherical harmonics

   • W. Freeden
   • R. Reuter

   Short Communications Pages: 365 - 378