| de | Dieser Benutzer spricht Deutsch als Muttersprache. |
| fr-1 | Cet utilisateur peut contribuer avec un niveau élémentaire de français. |
| nl-1 | Deze gebruiker bezit beginnende kennis van het Nederlands. |
 | This user comes from Germany. |
| This user is a mathematician. |
| Erdős 3 | This user has an Erdős number of 3. |
| math-N | This user can contribute with fluent mathematical skills. |
 | This user has publicly declared that they have a conflict of interest regarding these Wikipedia articles: |