George Piranian
George Piranian (pictured in center) at Oberwolfach in 1961
Born(1914-05-02)May 2, 1914
Thalwil, Switzerland
DiedAugust 31, 2009(2009-08-31) (aged 95)
Ann Arbor, Michigan, U.S.
Alma materUtah State University (BS, MS)
Hertford College, Oxford
Rice University (PhD)
Scientific career
FieldsComplex analysis
InstitutionsUniversity of Michigan
ThesisA Study of the Position and Nature of the Singularities of Functions Given by Their Taylor Series (1943)
Doctoral advisorSzolem Mandelbrojt
Doctoral studentsTheodore Kaczynski

George Piranian (Armenian: Գևորգ Փիրանեան; May 2, 1914 – August 31, 2009) was a Swiss-American mathematician.[1] Piranian was internationally known for his research in complex analysis, his association with Paul Erdős, and his editing of the Michigan Mathematical Journal.[2][3]

Early life and education

Piranian was born in Thalwil outside Zürich, Switzerland. His father, Patvakan Piranian, was originally from Armenia. George and his brother David at home were called Gevorg and Davit, the Armenian versions of their names. His family immigrated to Logan, Utah, in 1929. Piranian received a B.S. in agriculture and M.S. in botany (1937) at Utah State University. As a Rhodes scholar, Piranian first "tasted blood" in mathematics at Hertford College, Oxford.

After returning to the United States, Piranian earned his Ph.D. in mathematics under Szolem Mandelbrojt at Rice University (1943). Piranian's dissertation was entitled A Study of the Position and Nature of the Singularities of Functions Given by Their Taylor Series.[4]

Piranian joined the faculty at University of Michigan in 1945.

Michigan Mathematical Journal

In 1952, Piranian, along with Paul Erdős, Fritz Herzog and Arthur J. Lohwater, founded the Michigan Mathematical Journal; leadership in editing was assumed by Piranian in 1954. Piranian co-authored a research paper with Erdős and Herzog;[5] as a consequence he has an Erdős number of one.

Piranian's editing was renowned in mathematics.[6][7]

Teaching

Piranian's teaching captivated several future research mathematicians.[8][9] Piranian also was an advisor with the Honors Program at the College of Literature, Science and the Arts at the University of Michigan.

Teaching of Theodore Kaczynski

In the 1960s, Piranian taught and advised Theodore Kaczynski, who was a Ph.D. student in mathematics.[10] In the 1990s, Kaczynski was convicted of the Unabomber crimes.

References

  1. ↑ Dedication to George Piranian. Retrieved March 26, 2018.
  2. ↑ georgepiranian.info Archived 2011-10-08 at the Wayback Machine.
  3. ↑ georgepiranian.com.
  4. ↑ George Piranian at the Mathematics Genealogy Project
  5. ↑ Erdös, P.; Herzog, F.; Piranian, G. (1958). "Metric properties of polynomials". Journal d'Analyse Mathématique. 6 (1): 125–148. CiteSeerX 10.1.1.210.8396. doi:10.1007/bf02790232. ISSN 0021-7670.
  6. ↑ Walter Rudin. In the Piranian festschrift, of the Michigan Mathematical Journal.
  7. ↑ Steven Krantz. "Acknowlegment" in A Handbook of Mathematical Writing.
  8. ↑ Page xi in Sarason: Sarason, Donald (2007). Complex function theory (2 ed.). American Mathematical Society. ISBN 978-0-8218-4428-1.
  9. ↑ Sarason, Donald (1994). Complex function theory (first ed.). Henry E. Helson.
  10. ↑ Profs.: suspect was quiet, analytical Archived 2007-11-14 at the Wayback Machine
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