Biologists have recently explored the distribution of the butterfly Iolana iolas, one of the endangered species in the Madrid region whose population dynamics are determined by its host plant. The ...

Some generalizations of the geometric distribution are derived by length-biasing some generalized versions of the log-series distribution. Moments and maximum likelihood estimates for the parameters ...

This is a preview. Log in through your library . Abstract Motivated by the question of the age in a branching population we try to recreate the past by looking back from the currently observed ...