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Article
Left and Right Weighted (b, c)-inverse in Rings and Its Applications
In this paper, left and right (v, w)-weighted (b, c)-inverse in rings are introduced. Let R be a ring and a, b, c, v, w ∈ R. The element x ∈ R is called a left (v, w)-weighted (b, c)-inverse of a if Rx ∈ Rc and x...
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Article
New characterizations for the weighted (b, c)-inverse in rings and their applications
In this paper, necessary and sufficient conditions for a to be (v, w)-weighted (b, c)-invertible are given, where a, b, c, v, w are elements of a unital ring. The relationships between the (v, w)-weighted (b, c)-...
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Article
Core invertibility of triangular matrices over a ring
We obtained several equivalent conditions for the existence of core inverses and dual core inverses of triangular matrices over a ring with involution. As applications, some necessary and sufficient conditions...
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Article
EP Elements in Rings with Involution
Let R be a unital ring with involution. We first show that the EP elements in R can be characterized by three equations. Namely, let $...
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Article
Centralizer’s applications to the (b, c)-inverses in rings
We give several conditions in order that the absorption law for one sided (b, c)-inverses in rings holds. Also, by using centralizers, we obtain the absorption law for the (b, c)-inverse and the reverse order law...
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Article
On Characterizations of Special Elements in Rings with Involution
Let R be a ring with involution. It is well-known that an EP element in R is a core invertible element, but the question when a core invertible element is an EP element, the authors answer in this paper. Several ...
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Article
Existence Criteria and Expressions of the (b, c)-Inverse in Rings and Their Applications
Let R be a ring. Existence criteria for the (b, c)-inverse are given. We present explicit expressions for the (b, c)-inverse by using inner inverses. We answer the question when the (b, c)-inverse of ...
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Article
New characterizations for core inverses in rings with involution
The core inverse for a complex matrix was introduced by O. M. Baksalary and G. Trenkler. D. S. Rakić, N. Č. Dinčić and D. S. Djordjević generalized the core inverse of a complex matrix to the case of an elemen...