User:Hairer

Hairer Wikipedia:Babel en-5 This user can contribute with a professional level of English. fr Cet utilisateur a pour langue maternelle le français. de-4 Dieser Benutzer hat Deutschkenntnisse auf muttersprachlichem Niveau. Search user languages ${\displaystyle e^{i\pi \ }}$ This user is a mathematician. PhD This user has a Doctor of Philosophy degree in Mathematical Physics.