It is not known if he worked on mathematical research over this period. Certainly he was very much of a loner and did not talk much with the other mathematicians.
Ito ay hindi kilala kung siya ay nagtrabaho sa matematika pananaliksik sa panahong ito. Totoong siya ay tunay marami ng isang mapag-isa at hindi makipag-usap ng marami sa iba pang mga mathematicians.