Ola Bratteli

Ola Bratteli (24 October 1946 – 8 February 2015) was a Norwegian mathematician. He was a son of Trygve Bratteli and Randi Bratteli (née Larssen). He received a PhD degree in 1974. He was appointed as professor at the University of Trondheim in 1980 and at the University of Oslo in 1991. He was a member of the Norwegian Academy of Science and Letters. Selected works with Derek W. Robinson: Operator Algebras and Quantum Statistical Mechanics (Springer-Verlag, 2 volumes, 1980) Derivations, Dissipations and Group Actions on C*-algebras (Springer-Verlag, 1986) with Palle T. Jørgensen: Wavelets through a looking glass, the world of the spectrum (Birkhäuser, 2002) See also Approximately finite-dimensional C*-algebra Bratteli diagram Bratteli–Vershik diagram