Cubic vertex-transitive graphs on up to 1280 vertices P Potočnik, P Spiga, G Verret Journal of Symbolic Computation 50, 465-477, 2013 | 100 | 2013 |

On the maximum orders of elements of finite almost simple groups and primitive permutation groups S Guest, J Morris, C Praeger, P Spiga Transactions of the American Mathematical Society 367 (11), 7665-7694, 2015 | 74 | 2015 |

On the orders of zeros of irreducible characters S Dolfi, E Pacifici, L Sanus, P Spiga Journal of Algebra 321 (1), 345-352, 2009 | 60 | 2009 |

An Erdős–Ko–Rado theorem for the derangement graph of PGL (2, q) acting on the projective line K Meagher, P Spiga Journal of Combinatorial Theory, Series A 118 (2), 532-544, 2011 | 47 | 2011 |

On the vanishing prime graph of solvable groups S Dolfi, E Pacifici, L Sanus, P Spiga Walter de Gruyter GmbH & Co. KG 13 (2), 189-206, 2010 | 44 | 2010 |

Cayley graphs on abelian groups E Dobson, P Spiga, G Verret Combinatorica 36 (4), 371-393, 2016 | 43 | 2016 |

An Erdős–Ko–Rado theorem for finite 2-transitive groups K Meagher, P Spiga, PH Tiep European Journal of Combinatorics 55, 100-118, 2016 | 40 | 2016 |

On the vanishing prime graph of finite groups S Dolfi, E Pacifici, L Sanus, P Spiga Journal of the London Mathematical Society 82 (1), 167-183, 2010 | 40 | 2010 |

A census of 4-valent half-arc-transitive graphs and arc-transitive digraphs of valence two P Potocnik, P Spiga, G Verret arXiv preprint arXiv:1310.6543, 2013 | 38 | 2013 |

The Hall–Paige conjecture, and synchronization for affine and diagonal groups JN Bray, Q Cai, PJ Cameron, P Spiga, H Zhang Journal of Algebra 545, 27-42, 2020 | 37 | 2020 |

History and Philosophy of Science (An Introduction) LWH Hull, PF Bartunek American Journal of Physics 27 (7), 527-528, 1959 | 37* | 1959 |

Bounding the order of the vertex-stabiliser in 3-valent vertex-transitive and 4-valent arc-transitive graphs P Potočnik, P Spiga, G Verret Journal of Combinatorial Theory, Series B 111, 148-180, 2015 | 35 | 2015 |

A census of 4-valent half-Arc-Transitive graphs and arc-Transitive digraphs of valence two: Dedicated to Dragan Marǔsǐc on the occasion of his 60th birthday P Potočnik, P Spiga, G Verret Ars Mathematica Contemporanea 8 (1), 133-148, 2015 | 32 | 2015 |

Finite groups whose irreducible characters vanish only on p-elements D Bubboloni, S Dolfi, P Spiga Journal of pure and applied algebra 213 (3), 370-376, 2009 | 32 | 2009 |

On graph-restrictive permutation groups P Potočnik, P Spiga, G Verret Journal of Combinatorial Theory, Series B 102 (3), 820-831, 2012 | 31 | 2012 |

Graphs with automorphism groups admitting composition factors of bounded rank C Praeger, L Pyber, P Spiga, E Szabó Proceedings of the American Mathematical Society 140 (7), 2307-2318, 2012 | 28 | 2012 |

Semiregular automorphisms of vertex-transitive cubic graphs P Cameron, J Sheehan, P Spiga European Journal of Combinatorics 27 (6), 924-930, 2006 | 27 | 2006 |

Automorphisms of Cayley graphs on generalised dicyclic groups J Morris, P Spiga, G Verret European Journal of Combinatorics 43, 68-81, 2015 | 25 | 2015 |

The Erdős-Ko-Rado theorem for the derangement graph of the projective general linear group acting on the projective space P Spiga Journal of Combinatorial Theory, Series A 166, 59-90, 2019 | 23 | 2019 |

Generalised quadrangles with a group of automorphisms acting primitively on points and lines J Bamberg, M Giudici, J Morris, GF Royle, P Spiga Journal of Combinatorial Theory, Series A 119 (7), 1479-1499, 2012 | 23 | 2012 |