Centralizers and pseudo-degree functions
classification
🧮 math.RA
keywords
algebrascentralizerscentralizercertainassumptionscommutativeelementfree
read the original abstract
We study centralizers in certain algebras with valuation in order to generalize results by Hellstr\"{o}m and Silvestrov on centralizers in graded algebras. We prove that the centralizer of an element in the studied algebras is a free module over a certain ring. Under further assumptions we obtain that the centralizer is also commutative.
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