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ON SEMIGENERIC TAMENESS AND BASE FIELD EXTENSION

Published online by Cambridge University Press:  21 July 2015

EFRÉN PÉREZ*
Affiliation:
Facultad de Matemáticas de la Universidad Autónoma de Yucatán, Periférico Norte, Tablaje 13615, junto al local del FUTV, Mérida, Yucatán, México e-mail: jperezt@uady.mx, efren_math@yahoo.com.mx
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Abstract

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The notions of central endolength and semigeneric tameness are introduced, and their behaviour under base field extension for finite-dimensional algebras over perfect fields are analysed. For k a perfect field, K an algebraic closure and Λ a finite-dimensional k-algebra, here there is a proof that Λ is semigenerically tame if and only if Λ ⊗kK is tame.

Information

Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 2015