Theory and practise of the g-index

The g-index is introduced as an improvement of the h-index of Hirsch to measure the global citation performance of a set of articles. If this set is ranked in decreasing order of the number of citations that they received, the g-index is the (unique) largest number such that the top g articles received (together) at least g 2 null citations. We prove the unique existence of g for any set of articles and we have that g ≥ h. The general Lotkaian...