The Globalization problem for inner automorphisms and Skolem-Noether theorems

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dc.contributor.author Haefner, Jeremy
dc.contributor.author Del Rio, Angel
dc.date.accessioned 2009-06-02T15:32:07Z
dc.date.available 2009-06-02T15:32:07Z
dc.date.issued 2003-07
dc.identifier.citation "The Globalization Problem for Inner Automorphisms and Skolem- Noether Theorems” with A. del Rio, Proceedings of the International Conference on Algebras, Modules and Rings, Lisbon July 14-18, 2003 en_US
dc.identifier.uri http://hdl.handle.net/1850/9706
dc.description The original publication is available at eproceedings.worldscinet.com en_US
dc.description RIT community members may access full-text via RIT Libraries licensed databases: http://library.rit.edu/databases/
dc.description.abstract We investigate the circumstances under which an inner automorphism of a ring with local units can be built from “local” information. Specifically, we consider three natural “inner” type properties for an automorphism of a ring with local units. We show that every inner automorphism is locally inner but the converse is false, even if the automorphism is “piecewise” inner. On the other hand, we construct a large class of rings for which every locally inner automorphism is actually inner. Finally we obtain some Skolem-Noether type Theorems for infinite matrix and triangular matrix rings. en_US
dc.language.iso en_US en_US
dc.publisher World Science en_US
dc.title The Globalization problem for inner automorphisms and Skolem-Noether theorems en_US
dc.type Proceedings en_US

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