DECOMPOSITION OF NORMAL OPERATORS AND ITS APPLICATION TO SPECTRAL THEOREM

Katsukuni Nakagawa
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Abstract

A decomposition theorem for self-adjoint operators proved by Riesz and Lorch is extended to normal operators. This extension gives a new proof of the spectral theorem for unbounded normal operators.
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正规算子的分解及其在谱定理中的应用
将Riesz和Lorch证明的自伴随算子的分解定理推广到正规算子。这个扩展给出了无界正规算子谱定理的一个新的证明。
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