Signatures of hermitian forms
msra（2010）
摘要
Signatures of quadratic forms have been generalized to hermitian forms over
algebras with involution. In the literature this is done via Morita theory,
which causes sign ambiguities in certain cases. The main result of this paper
consists of a method for resolving this problem, using properties of the
underlying algebra with involution.
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关键词
involutions,. central simple algebras,hermitian squares,witt groups.,torsion,signa- tures,quadratic and hermitian forms,quadratic form,hermitian form
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