Africa often shines with ideas and is always the origin of good and prosperous ideas. The oldest known possibly mathematical object is the Lebombo bone, discovered in the Lebombo mountains of Swaziland and dated to approximately 35,000 BC. It consists of 29 distinct notches cut into a baboon’s fibula, (http://mathworld.wolfram.com/LebomboBone.html). The Ishango bone, found near [...]

The world statistics congress organises a biannual conference through the International Statistics Institute (ISI) hosted in different parts of the world. It has organised such events since the year 1885. I have been very luck to have participated in two most recent ones, that is the ISIDurban2009 and ISIDublin2011. How I am continuously hopefull that [...]

Air traffic delay is not only a source of inconvenience to the aviation passenger, but also a major deterrent to the optimisation of airport utility, especially in the developing countries. Many developing countries do less to abate this otherwise seemingly invincible constraint to development. The overall objective of this study was to investigate the dynamics [...]