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Huzihiro Araki

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Huzihiro Araki
Born(1932-07-28)28 July 1932
Tokyo, Japan
NationalityJapanese
Alma mater
AwardsHenri Poincaré Prize (2003)  
Scientific career
Fields
InstitutionsUniversity of Kyoto
ThesisHamiltonian Formalism and Canonical Commutation Relations in Quantum Field Theory (1960)
Doctoral advisors

Huzihiro Araki (荒木 不二洋, Araki Fujihiro, born 28 July 1932)[1] is a Japanese mathematical physicist and mathematician, who worked on the foundations of quantum field theory, on quantum statistical mechanics, and on the theory of operator algebras.[2]

Biography

Araki is the son of the University of Kyoto physics professor Gentarō Araki, with whom he studied and with whom in 1954 he published his first physics paper. He earned his diploma under Hideki Yukawa and in 1960 he attained his doctorate at Princeton University with thesis advisors Rudolf Haag and Arthur Wightman.[3] Since 1966 he was a professor at the University of Kyoto, at the Research Institute for Mathematical Sciences (RIMS), of which he was also the director.

Araki works on axiomatic quantum field theory, statistical mechanics, and in particular on applications of operator algebras like von Neumann algebras and C*-algebras. At the beginning of the 1960s, in Princeton, he made important contributions to local quantum physics and to the scattering theories of Haag and David Ruelle. He also supplied important contributions in the mathematical theory of operator algebras, classifying the type-III factors of von Neumann algebras.[4] Araki originated the concept of relative entropy of states of von Neumann algebras. In the 1970s he showed the equivalence in quantum thermodynamics of, on the one hand, the KMS condition (named after Ryogo Kubo, Paul C. Martin, and Julian Schwinger) for the characterization of quantum mechanical states in thermodynamic equilibrium with, on the other hand, the variational principle for quantum mechanical spin systems on lattices.[5] With Yanase he worked on the foundations of quantum mechanics, i.e. the Wigner-Araki-Yanase theorem, which describes restrictions that conservation laws impose upon the physical measuring process.[6] Stated in more precise terms, they proved that an exact measurement of an operator, which additively replaces the operator with a conserved size, is impossible. However, Yanase did prove that the uncertainty of the measurement can be made arbitrarily small, provided that the measuring apparatus is sufficiently large.[7]

Honors and awards

Huzihiro Araki was an invited speaker at the International Congress of Mathematicians in 1970 in Nice and in 1978 in Helsinki.[8] He was the second president of the International Association of Mathematical Physics, during the period 1979–1981.[9] In 2003 he received, together with Oded Schramm and Elliott Lieb, the Henri Poincaré Prize.[10] In 1990 he was the chief organizer of the International Congress of Mathematicians in Kyoto. He was editor of the scientific journal Communications in Mathematical Physics[11] and founder of Reviews in Mathematical Physics.[12] In 2012 he became a fellow of the American Mathematical Society.[13]

Selected works

  • Araki, Huzihiro (1999). Mathematical theory of quantum fields. Vol. 101. Oxford University Press on Demand. ISBN 978-0199566402.
  • Araki, Huzihiro; Lieb, Elliott H. (1970). "Entropy inequalities". Communications in Mathematical Physics. 18 (2): 160–170. Bibcode:1970CMaPh..18..160A. doi:10.1007/BF01646092. S2CID 189832417.
  • Araki, Huzihiro; Woods, E. J. (1963). "Representations of the canonical commutation relations describing a nonrelativistic infinite free Bose gas". Journal of Mathematical Physics. 4 (5): 637–662. Bibcode:1963JMP.....4..637A. doi:10.1063/1.1704002.
  • Araki, Huzihiro; Woods, E. J. (1968). "A classification of factors". Publications of the Research Institute for Mathematical Sciences, Kyoto University. Ser. A. 4 (1): 51–130. doi:10.2977/prims/1195195263.
  • Araki, Huzihiro (1976). "Relative Entropy of States of Von Neumann Algebras". Publications of the Research Institute for Mathematical Sciences: 809–833.
  • Araki, Huzihiro; Yanase, Mutsuo M. (1960). "Measurement of Quantum Mechanical Operators". Physical Review. 120 (2): 622–626. Bibcode:1960PhRv..120..622A. doi:10.1103/PhysRev.120.622.
  • Araki, Huzihiro; Hepp, Klaus; Ruelle, David (1962). "On the asymptotic behaviour of Wightman functions in space-like directions". Helvetica Physica Acta. 35 (3): 164–174. doi:10.5169/seals-113273.
  • Araki, Huzihiro (1974). "On the equivalence of the KMS condition and the variational principle for quantum lattice systems". Communications in Mathematical Physics. 38 (1): 1–10. Bibcode:1974CMaPh..38....1A. doi:10.1007/BF01651545. S2CID 73547157.

See also

References

  1. ^ Yomiuri Yearbook 2016 Edition (in Japanese). Yomiuri Shimbun Tokyo Headquarters. 2016. p. 391.
  2. ^ "Henri Poincaré Prize citation". International Association of Mathematical Physics. Retrieved February 21, 2021.
  3. ^ The thesis is Araki, Huzihiro (1960). Hamiltonian formalism and the canonical commutation relations in quantum field theory. Journal of Mathematical Physics (Thesis). Vol. 1. pp. 492–504.
  4. ^ Araki, Huzihiro; Woods, E. J. (1968). "A classification of factors". Publications of the Research Institute for Mathematical Sciences, Kyoto University. Ser. A. 4 (1): 51–130. doi:10.2977/prims/1195195263.
  5. ^ Araki, Huzihiro (1974). "On the equivalence of the KMS condition and the variational principle for quantum lattice systems". Communications in Mathematical Physics. 38 (1): 1–10. Bibcode:1974CMaPh..38....1A. doi:10.1007/BF01651545. S2CID 73547157. Araki, Huzihiro; Sewell, Geoffrey L. (1977). "KMS Conditions and Local Thermodynamical Stability of Quantum Lattice Systems". Communications in Mathematical Physics. 52 (2): 103–109. Bibcode:1977CMaPh..52..103A. doi:10.1007/BF01625778. S2CID 120544596.
  6. ^ Araki, Huzihiro; Yanase, Mutsuo M. (1960). "Measurement of Quantum Mechanical Operators". Physical Review. 120 (2): 622–626. Bibcode:1960PhRv..120..622A. doi:10.1103/PhysRev.120.622.
  7. ^ Yanase, Mutsuo M. (1961). "Optimal measuring apparatus". Physical Review. 123 (2): 666. Bibcode:1961PhRv..123..666Y. doi:10.1103/PhysRev.123.666.
  8. ^ "ICM Plenary and Invited Speakers". mathunion.org. Retrieved February 20, 2021.
  9. ^ "About the IAMP - Past presidents". International Association of Mathematical Physics. Retrieved February 20, 2021.
  10. ^ "The Henri Poincaré Prize". International Association of Mathematical Physics. Retrieved February 20, 2021.
  11. ^ Zambrini, Jean-claude (2006). "Laudatio for Huzihiro Araki". XIVth International Congress on Mathematical Physics. World Scientific.
  12. ^ "Editorial Board - Founding editor". World Scientific. Retrieved February 20, 2021.
  13. ^ "List of Fellows of the American Mathematical Society". American Mathematical Society. Retrieved February 19, 2021. Jackson, Allyn (2013). "Fellows of the AMS: Inaugural Class" (PDF). Notices of the AMS. 60 (5): 631–637.

Further reading

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