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首页> 外文期刊>International journal of mathematics >Trace Jensen inequality for self-adjoint operators in semi-finite von Neumann algebras
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Trace Jensen inequality for self-adjoint operators in semi-finite von Neumann algebras

机译:半有限von Neumann代数中自伴算子的迹Jensen不等式

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摘要

Let M be a semi-finite von Neumann algebra equipped with a faithful semi-finite normal trace τ, and f(t) be a convex function with f(0) = 0. The trace Jensen inequality in our previous work states τ(f(a*xa)) ≤ τ(a*f(x)a) (as long as the both sides are well-defined) for a contraction ∈M and a semi-bounded τ-measurable operator x. Validity of this inequality for (not necessarily semi-bounded) self-adjoint τ-measurable operators is investigated.
机译:令M为配有忠实的半有限法线迹τ的半有限冯诺依曼代数,f(t)为f(0)= 0的凸函数。在我们先前工作状态下的迹线Jensen不等式τ(f (a * xa))≤τ(a * f(x)a)(只要双方都定义明确),收缩εM和τ可测量的半界算子x。研究了这种不等式对于(不一定是半界的)自伴τ可测算子的有效性。

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