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The Galois closure for rings and some related constructions.
- Source :
-
Journal of Algebra . Jan2016, Vol. 446, p450-488. 39p. - Publication Year :
- 2016
-
Abstract
- Let R be a ring and let A be a finite projective R -algebra of rank n . Manjul Bhargava and Matthew Satriano have recently constructed an R -algebra G ( A / R ) , the Galois closure of A / R . Many natural questions were asked at the end of their paper. Here we address one of these questions, proving the existence of the natural constructions they call intermediate S n -closures. We will also study properties of these constructions, generalizing some of their results, and proving new results both on the intermediate S n -closures and on G ( A / R ) . [ABSTRACT FROM AUTHOR]
- Subjects :
- *GALOIS rings
*GALOIS theory
*MATHEMATICS
*ALGEBRAIC geometry
*ALGEBRA
Subjects
Details
- Language :
- English
- ISSN :
- 00218693
- Volume :
- 446
- Database :
- Academic Search Index
- Journal :
- Journal of Algebra
- Publication Type :
- Academic Journal
- Accession number :
- 110855810
- Full Text :
- https://doi.org/10.1016/j.jalgebra.2015.09.027