We first give a combinatorial interpretation of Everitt, Littlejohn, and Wellman’s Legendre-Stirling numbers of the first kind. We then give a combinatorial interpretation of the coefficients of the polynomial (1 − x) ∑∞ n=0 { n+k n } x analogous to that of the Eulerian numbers, where { n k } are Everitt, Littlejohn, and Wellman’s Legendre-Stirling numbers of the second kind. Finally we use a r...

The current supplement presents an overview of cholera disease burden and critical issues for the diagnosis, detection, prevention, and control of cholera in Africa. In 2013, the seventh cholera pandemic reached its 43rd year in Africa, with no evidence that it will end soon. More than 20 African countries have reported cholera to the World Health Organization (WHO) every year between 2007 and ...

I have met in my life many researchers, many successful ones, brilliant ones, very talented and full of ideas and skills. Asked to write which property characterises best Eric Goles among all these people I have absolutely no hesitation: Eric is the happiest researcher I have ever met, Eric may be the happiest fellow living on earth and moreover Eric has the very special property that he makes ...