We prove some matrix monotonicity and matrix convexity properties for functions derived from operator connections. As a consequence, we prove that a certain product of matrix monotone functions is a matrix monotone function. Similar results are proved for matrix convex functions. These results include some known results for matrix monotone and matrix convex functions.
机构:
Kazan VI Lenin State Univ, Res Inst Math & Mech, Ul Prof Nuzhina 1-37, Kazan 420008, RussiaKazan VI Lenin State Univ, Res Inst Math & Mech, Ul Prof Nuzhina 1-37, Kazan 420008, Russia
Dinh Trung Hoa
Tikhonov, O. E.
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机构:
Kazan VI Lenin State Univ, Res Inst Math & Mech, Ul Prof Nuzhina 1-37, Kazan 420008, RussiaKazan VI Lenin State Univ, Res Inst Math & Mech, Ul Prof Nuzhina 1-37, Kazan 420008, Russia