Abstract
The Davenport constant is one measure for how “large” a finite abelian group is. In particular, the Davenport constant of an abelian group is the smallest k such that any sequence of length k is reducible. This definition extends naturally to commutative semigroups, and has been studied in certain finite commutative rings. In this paper, we give an exact formula for the Davenport constant of a general commutative ring in terms of its unit group.
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