Of course living in Ghent made Mansion particularly aware of the famous mathematician Quetelet who was born in Ghent some 50 years before Mansion was born and who had studied at the university there. Quetelet and Garnier had edited the Belgium publication Correspondance mathématique et physique. and in 1874 Mansion, together with Catalan and Neuberg, founded a journal Nouvelle correspondance mathématique named to honour the earlier Correspondance mathématique et physique.
Ng mga kurso na naninirahan sa Ghent ginawa Mansion lalo na ng kamalayan ng mga tanyag dalub-agbilang Quetelet na ay ipinanganak sa Ghent ilang 50 years bago Mansion ay ipinanganak at na-aral sa kolehiyo doon. Quetelet at Garnier had edited ang Belgium publikasyon Correspondance mathématique et tikas ng katawan. At sa Mansion 1874, kasama ng mga Katalan at Neuberg, itinatag ng isang journal Nouvelle correspondance mathématique pinangalanan sa karangalan ng mas maaga Correspondance mathématique et tikas ng katawan.