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math.AC2026
On exceptional cliques in matrix rings
Milan Boutros, Ignacio Cascudo, Ronald Cramer +2
We study the notion of exceptional clique, a subset of a ring such that the difference of any two distinct elements of the subset is invertible. Motivated by applications in crypto…
math.AC2022★ 1 cited
Realizing orders as group rings
H. W. Lenstra, A. Silverberg, D. M. H. van Gent
An order is a commutative ring that as an abelian group is finitely generated and free. A commutative ring is reduced if it has no non-zero nilpotent elements. In this paper we use…