1. Roberto M. Avanzi, Mathias Kratzer, and Gerhard O. Michler, Janko's simple groups J2 and J3 are irreducible subgroups of SL85(5) with equal centralizers of an involution, Groups and Computation, III (Columbus, OH, 1999), Ohio State Univ. Math. Res. Inst. Publ., vol. 8, de Gruyter, Berlin, 2001, pp. 21–37.[MR]
  2. G. D. Cooperman, W. Lempken, G. O. Michler, and M. Weller, A new existence proof of Janko's simple group J4, Computational methods for representations of groups and algebras (Essen, 1997), Progr. Math., vol. 173, Birkhäuser, Basel, 1999, pp. 161–175.[MR]
  3. Hyun Kyu Kim and Gerhard O. Michler, Construction of Co1 from an irreducible subgroup M24 of GL11(2), preprint (2009), 220 pages.[arXiv]
  4. M. Kratzer, G. O. Michler, and M. Weller, Harada group uniquely determined by centralizer of a 2-central involution, in Proceedings of the First Sino-German Workshop on Representation Theory and Finite Simple Groups (Beijing, 2002), vol. 10, 2003, pp. 303–372.[MR]
  5. Mathias Kratzer, Wolfgang Lempken, Gerhard O. Michler, and Katsushi Waki, Another existence and uniqueness proof for McLaughlin's simple group, J. Group Theory 6 (2003), no. 4, 443–459.[MR]
  6. Gerhard O. Michler, An algorithm for determining the simplicity of a modular group representation, J. Symbolic Comput. 6 (1988), no. 1, 105–111.[MR]
  7. Gerhard O. Michler, Some problems in computational representation theory, J. Symbolic Comput. 9 (1990), no. 5-6, 571–582.[MR]
  8. Gerhard O. Michler, On the uniqueness of the finite simple groups with a given centralizer of a 2-central involution, Illinois J. Math. 47 (2003), no. 1-2, 419–444.[MR/link]
  9. Gerhard O. Michler, Theory of finite simple groups, New Mathematical Monographs, vol. 8, Cambridge University Press, Cambridge, 2006, pp. 426,583.
  10. Gerhard O. Michler and Andrea Previtali, Another existence and uniqueness proof for the Higman-Sims simple group, Algebra Colloq. 12 (2005), no. 3, 369–398.[MR]
  11. Gerhard O. Michler and Andrea Previtali, O'Nan group uniquely determined by the centralizer of a 2-central involution, J. Algebra Appl. 6 (2007), no. 1, 135–171.[MR]
  12. Gerhard O. Michler and Øyvind Solberg, Testing modules of groups of even order for simplicity, J. Algebra 202 (1998), no. 1, 229–242.[MR]
  13. Gerhard O. Michler and Lizhong Wang, Another existence and uniqueness proof of the Tits group, Algebra Colloq. 15 (2008), no. 2, 241–278.[MR]
  14. Gerhard O. Michler and Michael Weller, A new computer construction of the irreducible 112-dimensional 2-modular representation of Janko's group J4, Comm. Algebra 29 (2001), no. 4, 1773–1806.[MR]
  15. Gerhard O. Michler and Michael Weller, The character values of the irreducible constituents of a transitive permutation representation, Arch. Math. (Basel) 78 (2002), no. 6, 417–429.[MR]
  16. Gerhard O. Michler, Michael Weller, and Katsushi Waki, Natural existence proof for Lyons simple group, J. Algebra Appl. 2 (2003), no. 3, 277–315.[MR]
  17. Michael Weller, Gerhard O. Michler, and Andrea Previtali, Thompson's sporadic group uniquely determined by the centralizer of a 2-central involution, J. Algebra 298 (2006), no. 2, 371–459.[MR]