History
One of the earliest group automorphisms (automorphism of a group, not simply a group of automorphisms of points) was given by the Irish mathematician William Rowan Hamilton in 1856, in his Icosian Calculus, where he discovered an order two automorphism, writing:
so that is a new fifth root of unity, connected with the former fifth root by relations of perfect reciprocity.
Read more about this topic: Automorphism
Famous quotes containing the word history:
“All history becomes subjective; in other words there is properly no history, only biography.”
—Ralph Waldo Emerson (1803–1882)
“The history of American politics is littered with bodies of people who took so pure a position that they had no clout at all.”
—Ben C. Bradlee (b. 1921)
“The greatest honor history can bestow is that of peacemaker.”
—Richard M. Nixon (1913–1995)