As commutative algebra took on new life with the infusion of homological methods, he turned his interest once more in this direction, always trying to see past the formalism into "what was really going on".
Bilang commutative algebra kinuha sa bagong buhay sa pamamagitan ng pagbubuhos ng homological pamamaraan, siya ay nabuksan ang kanyang interes minsan pa sa dakong ito, palaging sinusubukan mong tingnan ang mga nakaraang pormalismo sa "kung ano ang tunay pagpunta sa".