English Wikipedia - The Free Encycl...
Download this dictionary
Unit (ring theory)
In mathematics, an invertible element or a unit in a (unitalring  is any element that has an inverse element in the multiplicative monoid of , i.e. an element such that
, where is the multiplicative identity.

See more at Wikipedia.org...


© This article uses material from Wikipedia® and is licensed under the GNU Free Documentation License and under the Creative Commons Attribution-ShareAlike License