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arxiv: 1009.3904 · v2 · pith:SXGOVIMBnew · submitted 2010-09-20 · 🧮 math.RA · math.KT

Unitary SK₁ of semiramified graded and valued division algebras

classification 🧮 math.RA math.KT
keywords divisionformulasunitaryalgebragradedsemiramifiedvaluedalgebras
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We prove formulas for the unitary SK_1 of a semiramified graded division algebra (or valued division algebra over a Henselian field) with a unitary involution. These formulas generalize earlier formulas of Yanchevskii, (and Platonov and Ershov for the nonunitary SK_1).

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