| This is a Wikipedia user page. This is not an encyclopedia article or the talk page for an encyclopedia article. If you find this page on any site other than Wikipedia, you are viewing a mirror site. Be aware that the page may be outdated and that the user whom this page is about may have no personal affiliation with any site other than Wikipedia. The original page is located at https://en.wikipedia.org/wiki/User:BlackFingolfin. |
| 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: |