Noun
the part of algebra that deals with the theory of matrices
Source: WordNetA central simple algebra over K is a matrix algebra over a (finite dimensional) division algebra with center K. For example, the central simple algebras over the reals are matrix algebras over either the reals or the quaternions. Source: Internet
Block matrix algebra relies upon biproducts in categories of matrices. Source: Internet
In this case, the spin group is isomorphic to the group of 2 2 unitary matrices with determinant one, which naturally sits inside the matrix algebra. Source: Internet