Categories: Disambiguation | Words In mathematics, ring theory is the study of rings, algebraic structures in which addition and multiplication are defined and have similar properties to those familiar from the integers. ... Annihilators are a concept that occurs in ring theory, a branch of mathematics. ... In mathematics, a differential operator is a linear operator defined as a function of the differentiation operator. ... In mathematics, a differential equation is an equation in which the derivatives of a function appear as variables. ... annihilates because annihilates because Categories: ‪Differential calculus‬ | ‪Mathematics stubs‬ ... It has been suggested that metal music be merged into this article or section. ... Annihilator is a heavy metal band which started with the album Alice in Hell, and now has twelve albums (including live albums). ...