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  • Author or Editor: Dijana Mosić x
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We investigate some equivalent conditions for the reverse order laws (ab)# = b a # and (ab)# = b # a in rings with involution. Similar results for (ab)# = b # a* and (ab)# = b*a # are presented too.

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Let R be a ring. The purpose of this paper is to study the existence and the representation for the anti-triangular matrix [abc0] under some conditions, where a, b, cR. The results extend recent works given in the literature.

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