maths 

Below is a list of mathematical things that I have written so far and that may be of interest to somebody.
Research articles:

Relations between permutation representations in positive characteristic, with
Matthew Spencer, preprint.

Group representations in the homology of 3manifolds, with Aurel Page, preprint.

A note on Green functors with inflation, with Matthew Spencer,
J. Algebra 483 no. 1 (2017), 230244.
DOI link.

Torsion homology and regulators of isospectral manifolds, with Aurel Page,
J. Topology 9 no. 4 (2016), 12371256.
DOI link.

Commensurability of automorphism groups, with Hendrik W. Lenstra Jr.,
Compositio Math. 153 no. 2 (2017), 323346.
DOI link.

Rational representations and permutation representations of finite groups,
with Tim Dokchitser, Math. Ann. 364 no. 1 (2016), 539558. DOI link.

Simplicity of twists of abelian varieties, Acta Arithmetica 171 (2015), 1522.
DOI link.

Factor equivalence of Galois modules
and regulator constants, Int. J. Number Theory 10 no. 1 (2014), 112.
DOI link.
 Elliptic curves with pSelmer growth for all p, Q. J. Math. 64 no. 4 (2013), 947954. DOI link.
 Brauer relations in finite groups II  quasielementary groups of order p^aq, with Tim Dokchitser, J. Group Theory 17 no. 3 (2014), 381393.
DOI link.
 Index formulae for
integral Galois modules, with Bart de Smit, J. London Math. Soc. 88 (2013), 845859.
DOI link.

Brauer relations in finite groups,
with Tim Dokchitser, J. Eur. Math. Soc. (JEMS) 17 (2015), 24732512.
DOI link.

On BrauerKuroda type relations of Sclass numbers in dihedral extensions,
J. reine angew. Math. 668 (2012), 211244. DOI link.

Large Selmer groups over number fields, Math. Proc. Cambridge Philos. Soc.
148 no. 1 (2010), pp. 7386.
DOI link.
And some miscellaneous stuff: