= the number of structures found per month;
= the number of triplets used per month;
= the average number of structures per triplet.
The results after applying the two-step velocity filter are given. The number of structures found in this year, . The index ``st'' after the calender month indicates the subset of selected stable structures.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.