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math.RA2015
Rationally Isomorphic Hermitian Forms and Torsors of Some Non-Reductive Groups
Eva Bayer-Fluckiger, Uriya A. First
Let be a semilocal Dedekind domain. Under certain assumptions, we show that two (not necessarily unimodular) hermitian forms over an -algebra with involution, which are rati…
math.RA2015
Patching and Weak Approximation in Isometry Groups
Eva Bayer-Fluckiger, Uriya A. First
Let be a semilocal principal ideal domain. Two algebraic objects over in which scalar extension makes sense (e.g. quadratic spaces) are said to be of the same genus if they…