Symbols:Abstract Algebra

$$+$$

Often used to denote:


 * The binary operation in a general abelian group $$\left({G, +}\right)$$;
 * The "additive" binary operation in a general ring $$\left({R, +, \circ}\right)$$.

Its LaTeX code is +.

See Set Operations and Relations and Arithmetic and Algebra for alternative definitions of this symbol.

$$+_m$$

Addition Modulo m.

Its LaTeX code is +_m.

$$\times_m$$ or $$\cdot_m$$

Multiplication Modulo m.

The LaTeX code for $$\times_m$$ is \times_m and the LaTeX code for $$\cdot_m$$ is \cdot_m.

$$\circ$$

Often used to denote:


 * A general binary operation in an equally general algebraic structure $$\left({S, \circ}\right)$$.
 * A general ring product in an equally general ring $$\left({R, +, \circ}\right)$$.

Its LaTeX code is \circ.