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AAA68: Workshop on General Algebra (68. Arbeitstagung Allgemeine Algebra)
June 10-13, 2004
Technische Universität Dresden
Dresden, Germany

Organizers
Reinhard Pöschel, Bernhard Ganter

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Linear Preserver Problems on Matrix Algebras over Unital Commutative Rings
by
Wen-Fong Ke
Department of Mathematics, National Cheng Kung University, Tainan, Taiwan
Coauthors: M. A. Chebotar, Wen-Fong Ke and Pjek-Hwee Lee

We use the theory of functional identities to describe maps preserving square-zero matrices over unital commutative rings. Then we apply the result to describe maps preserving idempotents and local automorphisms.

Date received: May 20, 2004

Copyright © 2004 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Mathematical Conference Abstracts. Document # canq-80.