TY - JOUR
T1 - The group involutory matrix of the combinations of two idempotent matrices
AU - Wu, Lingling
AU - Liu, Xiaoji
AU - Yu, Yaoming
PY - 2012
Y1 - 2012
N2 - 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.
AB - 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.
UR - http://www.hindawi.com/journals/jam/2012/504650/
U2 - 10.1155/2012/504650
DO - 10.1155/2012/504650
M3 - Article
VL - 504650
SP - 1
EP - 17
JO - Journal of Applied Mathematics
JF - Journal of Applied Mathematics
SN - 1110-757X
ER -