Separation of a finite set in ℝ d by spanned hyperplanes Yaakov S. Kupitz OriginalPaper Pages: 249 - 258
Euclideaness and final polynomials in oriented matroid theory Jürgen Richter-Gebert OriginalPaper Pages: 259 - 268
Correlation inequalities and a conjecture for permanents Yosef RinottMichael Saks OriginalPaper Pages: 269 - 277
Hadwiger's conjecture forK 6-free graphs Neil RobertsonPaul SeymourRobin Thomas OriginalPaper Pages: 279 - 361
Simultaneous reduction of a lattice basis and its reciprocal basis M. Seysen OriginalPaper Pages: 363 - 376