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math.RA2015
Linkage of Quadratic Pfister Forms
Adam Chapman, Shira Gilat, Uzi Vishne
We study the necessary conditions for sets of quadratic -fold Pfister forms to have a common -fold Pfister factor. For any set of -fold Pfister forms generating a…
math.RA2015★ 1 cited
The Grassmann algebra in arbitrary characteristic and generalized sign
Gal Dor, Alexei Kanel-Belov, Uzi Vishne
We define a generalization of the Grassmann algebra which is well-behaved over arbitrary commutative rings , even when is not invertible. In particular, t…