3 papers
math.FA2023
Some Hadamard product inequalities for accretive matrices
A. Sheikhhosseini, S. Malekinejad, M. Khosravi
In this paper, we obtain some new matrix inequalities involving Hadamard product. Also some Hadamard product inequalities for accretive matrices involving the matrix means, positiv…
math.FA2023
An extension of the weighted geometric mean in unital -algebras
Amir Ghasem Ghazanfari, Somayeh Malekinejad
Let be a unital -algebra and , we extend the weighted geometric mean , from to . We will not…
math.FA2023
Operator mean inequalities for sector matrices
M. Khosravi, A. Sheikhhosseini, S. Malekinejad
In this note, some inequalities involving operator means of sectorial matrices are proved which are generalizations and refinements of previous known results. Among them, let a…