August Ferdinand Möbius (
November 17,
1790 -
September 26,
1868, (
IPA: ) was a
German mathematician and theoretical
astronomer. He was born in
Schulpforta,
Saxony-Anhalt,
Germany and died in
Leipzig.He is best known for his discovery of the
Möbius strip, a non-orientable two-dimensional surface with only one side when
embedded in three-dimensional
Euclidean space. It was independently discovered by
Johann Benedict Listing around the same time. Möbius was the first to introduce
homogeneous coordinates into
projective geometry.
Möbius transformations, important in projective geometry, are not to be confused with the
Möbius transform of number theory, which also bears his name. His interest was also in
number theory, and the important
Möbius function μ(n) and the
Möbius inversion formula are named after him.
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