@book{colmcgov,
    AUTHOR = {Collingwood, David H. and McGovern, William M.},
     TITLE = {Nilpotent orbits in semisimple {L}ie algebras},
    SERIES = {Van Nostrand Reinhold Mathematics Series},
 PUBLISHER = {Van Nostrand Reinhold Co.},
   ADDRESS = {New York},
      YEAR = {1993}
}

@Article{wdg08,
  author = 	 {Graaf, Willem A. de},
  title = 	 {Computing with nilpotent orbits in simple {L}ie algebras 
                  of exceptional type},
   JOURNAL = {LMS J. Comput. Math.},
  FJOURNAL = {LMS Journal of Computation and Mathematics},
    VOLUME = {11},
      YEAR = {2008},
     PAGES = {280-297 (electronic)}
}

@Article{elasgra,
  author = 	 {Graaf, Willem A. de and Elashvili, Alexander G.},
  title = 	 {Induced nilpotent orbits of the simple {L}ie algebras 
                  of exceptional type},
  journal = 	 {Georgian Mathematical Journal},
  year = 	 {2009},
  volume = 	 {16},
  number = 	 {2},
  pages = 	 {257-278},
  note = 	 {{\tt arXiv:0905.2743v1}[math.RT]}
}

@Unpublished{gra15,
  author = 	 {Graaf, Willem A. de},
  title = 	 {Computing representatives of nilpotent orbits of 
                  $\theta$-groups},
  note = 	 {preprint, {\tt arXiv:0905.3149v2}[math.RT]},
  year = 	 {2009}
}

@Unpublished{grasss,
  author = 	 {Graaf, Willem A. de},
  title = 	 {Constructing semisimple subalgebras of semisimple Lie 
                  algebras},
  note = 	 {preprint, {\tt arXiv:1004.1972v1}[math.RA]},
  year = 	 {2010}
}


@Unpublished{graya,
  author = 	 {Graaf, Willem A. de and Yakimova, Oksana S.},
  title = 	 {Good index behaviour of $\theta$-representations, {I}},
  note = 	 {preprint, {\tt arXiv:1003.4162v1}[math.RT]},
  year = 	 {2010}
}

@Unpublished{closure,
  author = 	 {Graaf, Willem A. de and Vinberg, Ernest B. and Yakimova, Oksana S.},
  title = 	 {An effective method to compute closure ordering for nilpotent orbits of $\theta$-representations},
  note = 	 {preprint, {\tt arXiv:1107.1864v1}[math.AG]},
  year = 	 {2011}
}

@book {helgason,
    AUTHOR = {Helgason, Sigurdur},
     TITLE = {Differential geometry, {L}ie groups, and symmetric spaces},
    SERIES = {Pure and Applied Mathematics},
    VOLUME = {80},
 PUBLISHER = {Academic Press Inc. [Harcourt Brace Jovanovich Publishers]},
   ADDRESS = {New York},
      YEAR = {1978}
}

@article {vinberg,
    AUTHOR = {Vinberg, E. B.},
     TITLE = {The {W}eyl group of a graded {L}ie algebra},
   JOURNAL = {Izv. Akad. Nauk SSSR Ser. Mat.},
  FJOURNAL = {Izvestiya Akademii Nauk SSSR. Seriya Matematicheskaya},
    VOLUME = {40},
      YEAR = {1976},
    NUMBER = {3},
     PAGES = {488-526, 709},
     NOTE  = {English translation: Math. USSR-Izv. 10, 463-495 (1976)}
}

@article {vinberg2,
    AUTHOR = {Vinberg, E. B.},
     TITLE = {Classification of homogeneous nilpotent elements of a
              semisimple graded {L}ie algebra},
   JOURNAL = {Trudy Sem. Vektor. Tenzor. Anal.},
  FJOURNAL = {Trudy Seminara po Vektornomu i Tenzornomu Analizu s ikh
              Prilozheniyami k Geometrii, Mekhanike i Fizike},
    NUMBER = {19},
      YEAR = {1979},
     PAGES = {155-177},
     NOTE  = {English translation: Selecta Math. Sov. 6, 15-35 (1987)}
}

@article{vinberg3,
    AUTHOR = {Vinberg, E. B.},
     TITLE = {The classification of nilpotent elements of graded {L}ie
              algebras},
   JOURNAL = {Dokl. Akad. Nauk SSSR},
  FJOURNAL = {Doklady Akademii Nauk SSSR},
    VOLUME = {225},
      YEAR = {1975},
    NUMBER = {4},
     PAGES = {745-748}
}
