South Africa director of rugby Rassie Erasmus. Springboks director of rugby Rassie Erasmus insists his side is preparing for all possibilities for the quarter-finals given the plethora of permutations ...

The most competitive Rugby Championship in ages has, predictably, left various permutations on the table. In fact, all four teams still have a mathematical chance of winning the title. As things ...

Abstract: Let Ω denote the set of permutations performable by a pass through the Omega network (an n-stage shuffle-exchange network), and let π denote an arbitrary permutation of N = 2n elements. In ...