Unitary SK1 of semiramified graded and valued division algebras
Abstract
We prove formulas for the unitary SK1 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 SK1).
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