A.I.A University Publishing Group.Mathematical Analysis and its Contemporary Applications2716-98903120210201Weakly principally quasi-Baer rings and generalized triangular matrix rings394568112510.30495/maca.2021.1925653.1004ENKamalPaykanDepartment of Basic Sciences, Garmsar Branch, Islamic Azad University, Garmsar, IranJournal Article20210308A ring $R$ is called weakly principally quasi-Baer or simply (weakly p.q.-Baer) if the right annihilator of a principal right ideal is right $s$-unital by right semicentral idempotents. In this paper, we characterize when a generalized triangular matrix ring is a weakly p.q.-Baer ring.http://www.macajournal.com/article_681125_83625f3e4916f6dc8ea18a5541568207.pdf