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Halsey Royden

Halsey Lawrence Royden
BornSeptember 26, 1928 (1928-09-26)
Phoenix, Arizona, USA
DiedAugust 22, 1993 (1993-08-23) (aged 64)
Los Altos Hills, California, USA
Other namesH. L. Royden
EducationPhoenix College
Stanford University
Harvard University
OccupationMathematician
Scientific career
InstitutionsStanford University
ThesisHarmonic functions on open Riemann surfaces (1951)
Doctoral advisorLars Valerian Ahlfors
Other academic advisorsDonald Spencer
Doctoral studentsAlan Huckleberry
Peter A. Loeb

Halsey Lawrence Royden, Jr. (September 26, 1928 – August 22, 1993) was an American mathematician, specializing in complex analysis on Riemann surfaces, several complex variables, and complex differential geometry.[2] Royden is the author of a popular textbook on real analysis.[3]

Education and career

After study at Phoenix College, Royden transferred in 1946 to Stanford University, where he received his bachelor's degree in 1948 and his master's degree in 1949, with a master's thesis written under the supervision of Donald Spencer. Royden received his Ph.D. in 1951 at Harvard University under the supervision of Lars Ahlfors with thesis Harmonic functions on open Riemann surfaces.[4] At Stanford University he became an assistant professor in 1951, an associate professor in 1953, and a full professor in 1958. In addition to serving on the faculty of the mathematics department, for Stanford's School of Humanities and Sciences he was in 1962–1965 associate dean, in 1968–1969 executive dean (acting dean until the vacancy was resolved), and in 1973–1981 dean. In 1981 he resigned as dean to work full-time as a mathematics professor.[5] He was on the editorial board of the Pacific Journal of Mathematics for the five years from 1956 to 1960. Royden was a visiting scholar at the Institute for Advanced Study in Princeton for 3 months in the fall of 1969, 3 months in the spring of 1974, and for the academic year 1982–1983.[6]

In 1970, he showed the equivalence of the Kobayashi metric and the Teichmüller metric on Teichmüller space.[7]

Royden was a Guggenheim Fellow for the academic year 1973–1974.[8] In 1974 he was an Invited Speaker (Intrinsic metrics on Teichmüller space) at the International Mathematical Congress in Vancouver.

Upon his death he was survived by his wife (the mathematician Virginia "Jinx" Voegeli), two daughters (one, Leigh Royden, a noted geologist), a son, and several grandchildren.[2] His doctoral students include Alan Huckleberry, Peter A. Loeb and John Wetzel.

Selected publications

Books

  • Real Analysis. Macmillan. 1963. 2nd edition. 1968. 3rd edition. 1988. 4th edition. 2010.

Papers

References

  1. ^ "Faculty Senate 50th". web.stanford.edu. Retrieved 2022-12-02.
  2. ^ a b "Former dean and mathematician Halsey Royden dead at 64, Stanford News Service, 8/24/93". news.stanford.edu. Archived from the original on 2022-08-20. Retrieved 2015-09-26.
  3. ^ Royden, H. L. (1963). Real Analysis. Macmillan. 2nd edition. 1968. 3rd edition. 1988. 4th edition. 2010.
  4. ^ Halsey Royden at the Mathematics Genealogy Project
  5. ^ "Memorial Resolution, Halsey L. Royden (1928–1993), Stanford Historical Society" (PDF). histsoc.stanford.edu. Archived from the original (PDF) on 2011-07-27. Retrieved 2015-09-26.
  6. ^ "Royden, Halsey L. | Institute for Advanced Study". ias.edu. Retrieved 2015-09-29.
  7. ^ Royden, H. L. (March 1970). "Report on the Teichmüller Metric". Proc Natl Acad Sci USA. 65 (3): 497–499. Bibcode:1970PNAS...65..497R. doi:10.1073/pnas.65.3.497. PMC 282934. PMID 16591819.
  8. ^ "Guggenheim Awards: 16 Receive Fellowships". The Stanford Daily. Vol. 163, no. 38. 17 April 1973.

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