What do A pos and C pos mean?
The # column is the rank of each listed entry for Herve Avet-Loiseau — rank 1 means this entry is where Herve Avet-Loiseau has the most articles or citations. A pos and C pos show the reciprocal: the position of Herve Avet-Loiseau within that entry's own ranked list, by articles and citations respectively. A low value means Herve Avet-Loiseau is among the most prominent contributors for that entry.