A positive cone on an algebra with involution determines the kernels of the signature map of hermitian forms, yielding corrected proofs of the classification of positive cones and of their behavior under field extensions.
Weakly hyperbolic involutions.Expo
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Signature maps from positive cones on algebras with involution
A positive cone on an algebra with involution determines the kernels of the signature map of hermitian forms, yielding corrected proofs of the classification of positive cones and of their behavior under field extensions.