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Born Aug. 16, 1821, in Richmond; died Jan. 26, 1895, in Cambridge. British mathematician.
Cayley was appointed professor at Cambridge University in 1863. His major works were devoted to the theory of algebraic quadratic forms. He established a connection between the theory of invariants and projective geometry. His studies in this field are the basis for an interpretation of Lobachevskii’s geometry (the Cayley-Klein interpretation). Cayley was also the author of works on the theory of determinants, differential equations, and elliptic functions. He also conducted investigations in spherical astronomy and astrophysics.