2 papers
math.KT2024
Invariant for Sets of Pfister Forms
Adam Chapman, Ilan Levin
We associate an -fold Pfister form to any -tuple of -linked Pfister forms of dimensions , and prove its invariance under the di…
math.RA2023
Chain Lemma, Quadratic Forms and Symbol Length
Adam Chapman, Ilan Levin
We want to bound the symbol length of classes in which are represented by tensor products of 5 or 6 cyclic algebras of degree . The main ingredients are th…