Witt-Grothendieck group

Witt-Grothendieck group

[¦wit ′grōt·ən‚dēk ‚grüp]
(mathematics)
The Grothendieck group of the monoid consisting of isometry classes of nondegenerate symmetric forms on vector spaces over a given field, where the product of two such forms is given by their orthogonal sum.
References in periodicals archive ?
His principal goal is to examine the known results on the equivalence theory and related matters such as the Witt and Witt-Grothendieck groups, over the classical fields: algebraically closed, real closed, finite, local and global.