Linear Maps Preserving Idempotency of Products of Matrices on Upper Triangular Matrix Algebras

Linear Maps Preserving Idempotency of Products of Matrices on Upper Triangular Matrix Algebras

Year:    2009

Author:    Jing Qi, Guoxing JI

Communications in Mathematical Research , Vol. 25 (2009), Iss. 3 : pp. 253–264

Abstract

Let $\mathcal{T}_n$ be the algebra of all $n × n$ complex upper triangular matrices. We give the concrete forms of linear injective maps on $\mathcal{T}_n$ which preserve the nonzero idempotency of either products of two matrices or triple Jordan products of two matrices.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/2009-CMR-19332

Communications in Mathematical Research , Vol. 25 (2009), Iss. 3 : pp. 253–264

Published online:    2009-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    12

Keywords:    linear map matrix idempotent product of two matrices triple Jordan product of two matrices.

Author Details

Jing Qi

Guoxing JI