The group involutory matrix of the combinations of two idempotent matrices

Lingling Wu, Xiaoji Liu, Yaoming Yu

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)


We discuss the following problem: when aP + bQ + cPQ + dQP + ePQP + fQPQ + gPQPQ of idempotent matrices P and Q, where a, b, c, d, e, f, g is an element of C and a not equal 0, b not equal 0, is group involutory.
Original languageEnglish
Pages (from-to)1 - 17
Number of pages17
JournalJournal of Applied Mathematics
Publication statusPublished - 2012

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