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Richard Lyons

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43
Has anyone catalogued the "first generation" proof of the classification of finite simple groups?
mathoverflow.net

39
Known and fixed gaps in the proof of the CFSG
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16
Group with fewer than $p^2$ Sylow p-subgroups
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15
Groups that do not exist
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13
Classification of finite subgroups of $\mathrm{SL}_5(\mathbb{C})$
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12
A finite p-group question: can this happen?
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10
Low-dimensional irreducible 2-modular representations of the symmetric group
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10
Symmetric subgroups of simple algebraic groups over finite fields
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9
$S_3 \times 2^2 \cdot PSU_6 (2) \overset ? \subset 2^2 \cdot {}^2 E_6 (2)$
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7
A possible characterization of the category of finite $p$-groups
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7
Condition on $q$ for inclusion $p^{1+2r}\cdot\operatorname{Sp}(2r,p)\leqslant \operatorname{GU}(p^r,q)$
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6
Non-split Aut(G) $\to$ Out(G)?
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6
first group cohomology for the standard representation of $S_n$ over $\mathbb{F}_2$
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6
Inner wreath product
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6
Can $1\ne H\cap H^g\lhd H$ happen if $G$ is a primitive permutation group with stabiliser $H$?
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6
Does a non-simple perfect group always have a maximal subgroup whose derived subgroup has nontrivial core?
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6
The property of conjugate subgroup
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5
On the number of involutions in some groups
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5
Subgroups of finite simple groups $L(q^f)$ of Lie type normalized by $L(q)$
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