An atlas of abstract regular polytopes for small groups D Leemans, L Vauthier Aequationes mathematicae 72, 313-320, 2006 | 73 | 2006 |

Polytopes of high rank for the symmetric groups ME Fernandes, D Leemans Advances in mathematics 228 (6), 3207-3222, 2011 | 59 | 2011 |

Groups of type *L*_{2}(*q*) acting on polytopesD Leemans, E Schulte Walter de Gruyter 7 (4), 529-539, 2007 | 48 | 2007 |

Polytopes of high rank for the alternating groups ME Fernandes, D Leemans, M Mixer Journal of Combinatorial Theory, Series A 119 (1), 42-56, 2012 | 44 | 2012 |

All Alternating Groups with Have Polytopes of Rank ME Fernandes, D Leemans, M Mixer SIAM Journal on Discrete Mathematics 26 (2), 482-498, 2012 | 41 | 2012 |

An atlas of residually weakly primitive geometries for small groups, 14 F Buekenhout, M Dehon, D Leemans Mémoires. Collection in-Octavio. 3e Série 14, 1999 | 40 | 1999 |

Polytopes with groups of type PGL_2 (q) D Leemans, E Schulte arXiv preprint arXiv:0909.1991, 2009 | 39 | 2009 |

Highest rank of a polytope for PJ Cameron, ME Fernandes, D Leemans, M Mixer Proceedings of the London Mathematical Society 115 (1), 135-176, 2017 | 34 | 2017 |

Almost simple groups of Suzuki type acting on polytopes D Leemans Proceedings of the American Mathematical Society 134 (12), 3649-3651, 2006 | 32 | 2006 |

On the list of finite primitive permutation groups of degree≤ 50 F Buekenhout, D Leemans Journal of Symbolic Computation 22 (2), 215-225, 1996 | 31 | 1996 |

New geometries for finite groups and polytopes C Lefevre-Percsy, N Percsy, D Leemans Bulletin of the Belgian Mathematical Society-Simon Stevin 7 (4), 583-610, 2000 | 30 | 2000 |

The Residually Weakly Primitive Geometries of the Janko Group *J* _{1}H Gottschalk, D Leemans Groups and Geometries: Siena Conference, September 1996, 65-79, 1998 | 29 | 1998 |

An extension of the classification of high rank regular polytopes ME Fernandes, D Leemans, M Mixer Transactions of the American Mathematical Society 370 (12), 8833-8857, 2018 | 28 | 2018 |

All Geometries of the Mathieu Group Mll Based on Maximal Subgroups F Buekenhout, M Dehon, D Leemans Experimental Mathematics 5 (2), 101-110, 1996 | 27 | 1996 |

An atlas of subgroup lattices of finite almost simple groups T Connor, D Leemans arXiv preprint arXiv:1306.4820, 2013 | 26 | 2013 |

Two atlases of abstract chiral polytopes for small groups MI Hartley, I Hubard, D Leemans Ars Mathematica Contemporanea 5 (2), 2012 | 25 | 2012 |

Constructing coset geometries with MAGMA: an application to the sporadic groups M_12 and J_1 M Dehon, D Leemans Atti del Seminario Matematico e Fisico del'Università di Modena 50 (2), 415-427, 2002 | 25 | 2002 |

Highly symmetric hypertopes ME Fernandes, D Leemans, AI Weiss Aequationes mathematicae 90, 1045-1067, 2016 | 23 | 2016 |

Residually weakly primitive geometries of small sporadic and almost simple groups: a synthesis F Buekenhout, P Cara, M Dehon, D Leemans Topics in diagram geometry, 1-27, 2003 | 23 | 2003 |

Almost simple groups with socle PSL (2, q) acting on abstract regular polytopes T Connor, J De Saedeleer, D Leemans Journal of Algebra 423, 550-558, 2015 | 21 | 2015 |