Hilbert空间余弦算子函数的谱特征

The Characteristic Spectrum of Cosine Operator Functions on Hilbert Spaces

本文得到Hilbert空间下余弦算子函数用其生成元性质表示的谱特征.

In this paper we got the spectrum characterize of continuous cosine operator functions, on Hilbert space, in terms of properties of the infinitesi-mal generator.