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Drazin序的若干性质

Some properties of Drazin order
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摘要 设B(H)是Hilbert空间H上的全体有界线性算子构成的集合,首先研究Drazin序在H=R(A^k)■N(A^k)空间分解下的几个刻画及相关性质,其次将幂等元的Drazin逆推广到一般代数中,进而研究Drazin序的性质。 Let B(H)be the set of all bounded linear operators on Hilbert space H.Firstly,some characterizations and related properties of Drazin order in H=R(A^k)■N(A^k)space are studied.Secondly,the Drazin inverse of idempotent is generalized in the general algebra,and then some properties of Drazin order are studied.
作者 庞永锋 魏银 王权 PANG Yong-feng;WEI Yin;WANG Quan(School of Science,Xi'an University of Architecture and Technology,Xi'an 710055,Shaanxi,China)
出处 《山东大学学报(理学版)》 CAS CSCD 北大核心 2020年第2期33-42,共10页 Journal of Shandong University(Natural Science)
基金 国家自然科学基金资助项目(11401757) 陕西省自然科学基金资助项目(2019JM252).
关键词 DRAZIN逆 Drazin序 幂等元 Drazin inverse Drazin order idempotent
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