Order (ring theory)
= Order (ring theory)
{wiki=Order_(ring_theory)}
In ring theory, an *order* is a specific type of subset of a ring that behaves like the integers within that ring structure. More formally, if \\( R \\) is a ring and \\( S \\) is a subset of \\( R \\), we say that \\( S \\) is an order in \\( R \\) if: 1. \\( S \\) is a subring of \\( R \\) (i.e.