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