36 citations · 90 across the 10 of their papers we have counts for
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math.NT2017
Testing isomorphism of lattices over CM-orders
Hendrik W. Lenstra, Alice Silverberg
A CM-order is a reduced order equipped with an involution that mimics complex conjugation. The Witt-Picard group of such an order is a certain group of ideal classes that is closel…
math.AC2017
Universal gradings of orders
H. W. Lenstra, A. Silverberg
For commutative rings, we introduce the notion of a {\em universal grading}, which can be viewed as the "largest possible grading". While not every commutative ring (or order) has…
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.…