Abstract
In this paper we study the properties of bounded linear operators
namely Ap−class and A
∗
p−class operators that satisfy T
∗T ≤ (T
∗pT
p
)
1
p
and T T ∗ ≤ (T
∗pT
p
)
1
p respectively. We use some known operator inequalities and we show that if T ∈ B(H ) is an Ap−class or an A
∗
p−class
operator, then r(T) =k T k .