- Dietrich Burde, Bettina Eick, and Willem de Graaf, Computing faithful representations for nilpotent Lie algebras, J. Algebra 322 (2009), no. 3, 602–612.[MR/doi]
- Serena Cicalò and Willem A. de Graaf, Non-associative Gröbner bases, finitely-presented Lie rings and the Engel condition: II, J. Symbolic Comput. 44 (2009), no. 7, 786–800.
- Claus Fieker and Willem A. de Graaf, Finding integral linear dependencies of algebraic numbers and algebraic Lie algebras, LMS J. Comput. Math. 10 (2007), 271–287 (electronic).[MR]
- W. A. de Graaf, Using Cartan subalgebras to calculate nilradicals and Levi subalgebras of Lie algebras, J. Pure Appl. Algebra 139 (1999), no. 1–3, 25–39.[MR]
- Willem A. de Graaf, Deciding isomorphism of Lie algebras, Proceedings of the Sixth Rhine Workshop on Computer Algebra, Sankt Augustin, March 31 - April 3, 1998, 1998, pp. 9.
- Willem A. de Graaf, Lie Algebras: Theory and Algorithms, North-Holland Mathematical Library, vol. 56, North-Holland Publishing Co., Amsterdam, 2000, pp. xii+393.[MR]
- Willem A. de Graaf, Classification of solvable Lie algebras, Experiment. Math. 14 (2005), no. 1, 15–25.[MR]
- Willem A. de Graaf, Classification of 6-dimensional nilpotent Lie algebras over fields of characteristic not 2, J. Algebra 309 (2007), no. 2, 640–653.[MR]
- Willem A. de Graaf, Constructing algebraic groups from their Lie algebras, J. Symbolic Comput. 44 (2009), no. 9, 1223–1233.[arXiv]
- Willem A. de Graaf, Michael Harrison, Jana Pílniková, and Josef Schicho, A Lie algebra method for rational parametrization of Severi-Brauer surfaces, J. Algebra 303 (2006), no. 2, 514–529.[MR]
- Willem A. de Graaf and Andrea Pavan, Constructing arithmetic subgroups of unipotent groups, J. Algebra 322 (2009), no. 11, 3950–3970.[MR/doi]
- Willem A. de Graaf, Jana Pílniková, and Josef Schicho, Parametrizing del Pezzo surfaces of degree 8 using Lie algebras, J. Symbolic Comput. 44 (2009), no. 1, 1–14.[arXiv]
- Willem A. de Graaf and Oksana S. Yakimova, Good index behaviour of θ-representations, i, preprint (2010).[arXiv]