The story
Named after the former domicile of D. L. Johnson, one of the people who studied the group.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: In infinite group theory, the group J(Fₚ) or N(Fₚ) consisting of formal power series t + a₂t²+... with coefficients in Fₚ. Full definition →
Named after the former domicile of D. L. Johnson, one of the people who studied the group.
Etymology from Wiktionary, CC BY-SA 4.0.