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Non-Commutative Valuation Rings and Semi-Hereditary Orders (Paperback, Softcover reprint of hardcover 1st ed. 1997)
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Non-Commutative Valuation Rings and Semi-Hereditary Orders (Paperback, Softcover reprint of hardcover 1st ed. 1997)
Series: K-Monographs in Mathematics, 3
Expected to ship within 10 - 15 working days
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Much progress has been made during the last decade on the subjects
of non commutative valuation rings, and of semi-hereditary and
Priifer orders in a simple Artinian ring which are considered, in a
sense, as global theories of non-commu tative valuation rings. So
it is worth to present a survey of the subjects in a self-contained
way, which is the purpose of this book. Historically
non-commutative valuation rings of division rings were first treat
ed systematically in Schilling's Book [Sc], which are nowadays
called invariant valuation rings, though invariant valuation rings
can be traced back to Hasse's work in [Has]. Since then, various
attempts have been made to study the ideal theory of orders in
finite dimensional algebras over fields and to describe the Brauer
groups of fields by usage of "valuations", "places", "preplaces",
"value functions" and "pseudoplaces". In 1984, N. 1. Dubrovin
defined non-commutative valuation rings of simple Artinian rings
with notion of places in the category of simple Artinian rings and
obtained significant results on non-commutative valuation rings
(named Dubrovin valuation rings after him) which signify that these
rings may be the correct def inition of valuation rings of simple
Artinian rings. Dubrovin valuation rings of central simple algebras
over fields are, however, not necessarily to be integral over their
centers.
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