Professor Eamonn O'Brien

PhD (ANU), FRSNZ

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Professor

Research | Current

  • Group theory
  • Computational algebra

Postgraduate supervision

Projects on offer

  • Automorphism groups of finite groups (Reading and/or Project)
  • Computational aspects of group representation theory (Reading and/or Project)
  • Finitely-presented groups (Reading and/or Project)

Distinctions/Honours

Fellow of the Royal Society of New Zealand

Alexander von Humboldt Research Fellow

 

Selected publications and creative works (Research Outputs)

  • Holt, D., Leedham-Green, C. R., & O'Brien EA (2020). Constructing composition factors for a linear group in polynomial time. JOURNAL OF ALGEBRA, 561, 215-236. 10.1016/j.jalgebra.2020.02.018
  • Leedham-Green, C. R., & O'Brien EA (2020). Presentations on standard generators for classical groups. JOURNAL OF ALGEBRA, 545, 324-389. 10.1016/j.jalgebra.2019.07.024
  • Brooksbank, P. A., O'Brien EA, & Wilson, J. B. (2019). TESTING ISOMORPHISM OF GRADED ALGEBRAS. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 372 (11), 8067-8090. 10.1090/tran/7884
  • Eick, B., Hofmann, T., & O'Brien EA (2019). The conjugacy problem in GL (n,Z). JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES, 100 (3), 731-756. 10.1112/jlms.12246
  • Fawcett, J. B., Mueller, J., O'Brien EA, & Wilson, R. A. (2019). Regular orbits of sporadic simple groups. JOURNAL OF ALGEBRA, 522, 61-79. 10.1016/j.jalgebra.2018.11.034
  • Guralnick, R. M., Liebeck, M. W., O'Brien EA, Shalev, A., & Tiep, P. H. (2018). Surjective word maps and Burnside's theorem. INVENTIONES MATHEMATICAE, 213 (2), 589-695. 10.1007/s00222-018-0795-z
  • Gonshaw, S., Liebeck, M. W., & O'Brien EA (2017). Unipotent class representatives for finite classical groups. Journal of Group Theory, 20 (3), 505-525. 10.1515/jgth-2016-0047
  • O'Brien EA, & Vojtechovsky, P. (2017). Code loops in dimension at most 8. Journal of Algebra, 473, 607-626. 10.1016/j.jalgebra.2016.11.006

Contact details

Primary office location

SCIENCE CENTRE - MATHPHYSIC - Bldg 303
Level 2, Room 205
38 PRINCES ST
AUCKLAND 1010
New Zealand

Web links