e/Pfister form

Information
has gloss	eng: In mathematics, a Pfister form is a particular kind of quadratic form over a field F (whose characteristic is usually assumed to be not 2), introduced by A. Pfister in 1965. A Pfister form is in 2n variables, for some natural number n (also called an n-Pfister form), and may be written as a tensor product of quadratic forms as:
lexicalization	eng: Pfister form
instance of	e/Quadratic form