Abstract Algebra

Algebra is a branch of mathematics.

Algebra may also mean:
* elementary algebra
* abstract algebra
* linear algebra
* universal algebra
* computer algebra

In addition, many mathematical objects are known as algebras.

In logic:
* Boolean algebra
* Heyting algebra

In set theory:
* algebra over a set
* sigma algebra

In linear algebra, and the study of vector spaces:
* algebra over a field
* associative algebra
* commutative, anticommutative, and super- algebras
* Lie algebra

In ring theory:
* algebra over a commutative ring (or R-algebra)

In category theory:
* F-algebra
* F-coalgebra

In the relational model:
* Relational algebra