36 citations · 90 across the 10 of their papers we have counts for
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math.RA2017
The unit theorem for finite-dimensional algebras
Hendrik Lenstra
The "unit theorem" to which the present mini-course is devoted is a theorem from algebra that has a combinatorial flavour, and that originated in fact from algebraic combinatorics.…
math.RA2015★ 11 cited
Commensurability of automorphism groups
Alex Bartel, Hendrik W. Lenstra
We develop a theory of commensurability of groups, of rings, and of modules. It allows us, in certain cases, to compare sizes of automorphism groups of modules, even when those are…