(algebra, field theory, of a field F) A field G such that every polynomial over F splits completely over G (i.e., every element of G is a root of some polynomial over F and every root of every polynomial over F is an element of G).

(algebra) A De Morgan algebra which also satisfies the inequation x∧∼x⩽y,∨∼y for all x and y, where "∼" here denotes the De Morgan involution.

(chess) A method for recording and describing the moves in a game of chess which employs a single uppercase letter for each piece and a letter-number coordinate for each square.

plural of σ-algebra

Opposed to the teaching or learning of algebra, especially to or by non-mathematical students

(mathematics) A 27-dimensional exceptional Jordan algebra.

plural of alternative algebra

plural of Jordan algebra

(mathematics) A non-associative algebra over a field whose product satisfies the axioms (i) xy=yx (the commutative law) and (ii) (xy)(xx)=x(y(xx)) (the Jordan identity).

plural of Albert algebra