Some Results on Dual Cosine Operator Function

余弦算子函数共轭性的一些结果(英文)

Some basic properties of dual cosine operator function are given. The concept and characterization of θ reflexivity with respect to cosine operator function are first studied.

本文系统的给出余弦算子函数的共轭性理论，并引入了余弦函数的θ┐自反概念。