Ola Bratteli
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Ola Bratteli (24 October 1946 – 8 February 2015) was a
Norwegian Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe *Norwegians, both a nation and an ethnic group native to Norway *Demographics of Norway *The Norwegian language, including the ...
mathematician. He was a son of
Trygve Bratteli (11 January 1910 – 20 November 1984) was a Norwegian newspaper editor and politician with the Norwegian Labour Party. He served as the 26th prime minister of Norway from 1971 to 1972 and again from 1973 to 1976. He was president of the No ...
and
Randi Bratteli Randi Helene Bratteli (née Larssen; 17 September 1924 – 9 December 2002) was a Norwegian journalist. She was born in Hamar as the daughter of Olav Larssen and Aslaug Sigrid Larssen (née Rustad). She married Trygve Bratteli, who served as Prime ...
(née Larssen). He received a
PhD PHD or PhD may refer to: * Doctor of Philosophy (PhD), an academic qualification Entertainment * '' PhD: Phantasy Degree'', a Korean comic series * ''Piled Higher and Deeper'', a web comic * Ph.D. (band), a 1980s British group ** Ph.D. (Ph.D. albu ...
degree in 1974. He was appointed as professor at the
University of Trondheim A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, t ...
in 1980 and at the
University of Oslo The University of Oslo ( no, Universitetet i Oslo; la, Universitas Osloensis) is a public research university located in Oslo, Norway. It is the highest ranked and oldest university in Norway. It is consistently ranked among the top universit ...
in 1991. He was a member of the
Norwegian Academy of Science and Letters The Norwegian Academy of Science and Letters ( no, Det Norske Videnskaps-Akademi, DNVA) is a learned society based in Oslo, Norway. Its purpose is to support the advancement of science and scholarship in Norway. History The Royal Frederick Univer ...
.


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 In mathematics, an approximately finite-dimensional (AF) C*-algebra is a C*-algebra that is the inductive limit of a sequence of finite-dimensional C*-algebras. Approximate finite-dimensionality was first defined and described combinatorially by Ol ...
*
Bratteli diagram In mathematics, a Bratteli diagram is a combinatorial structure: a Graph (discrete mathematics), graph composed of vertices labelled by positive integers ("level") and unoriented edges between vertices having levels differing by one. The notion wa ...
*
Bratteli–Vershik diagram In mathematics, a Bratteli–Veršik diagram is an ordered, essentially simple Bratteli diagram (''V'', ''E'') with a homeomorphism on the set of all infinite paths called the Veršhik transformation. It is named after Ola Bratteli and Anatoly ...


References

1946 births 2015 deaths Norwegian mathematicians Academic staff of the Norwegian University of Science and Technology Academic staff of the University of Oslo Members of the Norwegian Academy of Science and Letters Royal Norwegian Society of Sciences and Letters {{Europe-mathematician-stub