His aim was to undertake research for his thesis on Lie groups and during his two years as a teaching assistant he published two papers on the topic. However, receiving an exchange grant from the French Centre National de la Recherche Scientifique he was able to spend the year 1949-50 in Paris.
Kanyang layunin ay upang magsagawa ng pananaliksik para sa kanyang tesis sa humiga / magsinungaling grupo at sa panahon ng kanyang dalawang taon bilang isang pagtuturo assistant-publish na siya ng dalawang mga papeles sa paksa. Gayunman, tumatanggap ng isang exchange bigyan mula sa French Center National de la mabini Scientifique siya ay able sa gastusin ang taon 1949-50 sa Paris.