On the elements aa(dagger) and a(dagger)a in a ring

Benítez López, Julio; Cvetkovic-Ilic, Dragana

doi:10.1016/j.amc.2013.07.015

On the elements aa(dagger) and a(dagger)a in a ring

Archivos

Benitez, J. - On the elements aa(dagger) and a(dagger)a in a ring.pdf (320.96 KB)

Benítez, J. - On the elements aa(dagger) and a(dagger)a in a ring.pdf (396.65 KB)

Fecha

2013-10-01

Autores

Benítez López, Julio

Cvetkovic-Ilic, Dragana

Unidades organizativas

Escuela Técnica Superior de Ingeniería de Telecomunicación

Departamento de Matemática Aplicada

Instituto Universitario de Matemática Multidisciplinar

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Handle

https://riunet.upv.es/handle/10251/52201

Cita bibliográfica

Benítez López, J.; Cvetkovic-Ilic, D. (2013). On the elements aa(dagger) and a(dagger)a in a ring. Applied Mathematics and Computation. 222:478-489. doi:10.1016/j.amc.2013.07.015

Resumen

We study various functions, principal ideals and annihilators depending on the projections aa(dagger) and a(dagger)a for a Moore-Penrose invertible ring element, extending recent work of O.M. Baksalary and G. Trenkler for matrices. 2013 Elsevier Inc. All rights reserved.