Grassmann algebra

Meanings

1. A direct sum with an exterior product of multivector spaces which are all based on a same underlying finite-dimensional vector space. The associative algebra of sums and exterior products of scalars, vectors, blades, multivectors, and hybrid (i.e., non-homogeneous) sums of multivectors of different grades.

Etymology

Named after Hermann Grassmann (1809–1877), a German polymath.