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        加權(quán)右核逆及加權(quán)右偽核逆的刻畫

        2023-04-29 00:00:00柯圓圓梁家輝王龍
        吉林大學學報(理學版) 2023年4期

        摘要: 利用代數(shù)方法考慮*-環(huán)上加權(quán)右核逆和加權(quán)右偽核逆的刻畫問題. 首先, 引入加權(quán)右核逆的概念; 其次, 利用3個方程和右可逆元分別給出其刻畫; 最后, 給出加權(quán)右偽核逆的定義和刻畫.

        關(guān)鍵詞: 核逆; 加權(quán)核逆; 加權(quán)偽核逆; 右核逆; 加權(quán)右核逆; 加權(quán)右偽核逆

        中圖分類號: O153.3 文獻標志碼: A 文章編號: 1671-5489(2023)04-0733-06

        Characterizations of Weighted Right Core Inverseand Weighted Right Pseudo Core Inverse

        KE Yuanyuan1, LIANG Jiahui2, WANG Long2

        (1. School of Artificial Intelligence, Jianghan University, Wuhan 430056, China;

        2. College of Mathematical Science, Yangzhou University, Yangzhou 225002, Jiangsu Province, China)

        Abstract: We considered the characterization problem of weighted right core inverses and weighted right pseudo core inverses over *-rings by

        using algebraic methods. Firstly, the concept of weighted right core inverse was introduced. Secondly," three equations and right invertible elements were used to give its char

        acterization. Finally, the definition and characterization of weighted right pseudo core inverse were given.

        Keywords: core inverse; weighted core inverse; weighted pseudo core inverse; right core inverse; weighted right core inverse; weighted right pseudo core inverse

        參考文獻

        [1]BAKSALARY O M, TRENKLER G. Core Inverse of Matrices [J]. Linear Multilinear Algebra, 2010, 58(6): 681-697.

        [2]RAKIC' D S, DINIC' N , DJORDJEVIC' D S. Group, Moore-Penrose, Core and Dual Core Inverse in Rings with Involution [J]. Linear Algebra Appl, 2014, 463: 115-133.

        [3]GAO Y F, CHEN J L. Pseudo Core Inverses in Rings with Involution [J]. Comm Algebra, 2017, 46(1): 38-50.

        [4]MOSIC' D, DENG C Y, MA H F. On a Weighted Core Inverse in a Ring with Involution [J]. Comm Algebra, 2018, 46(6): 2332-2345.

        [5]WANG L, MOSIC' D, GAO Y F. Right Core Inverse and the Related Generalized Inverses [J]. Comm Algebra, 2019, 47(11): 4749-4762.

        [6]WANG L, WEI J C, ZHAO R J. The Characterizations of One-Sided Generalized Inverses [J]. Comm Algebra, 2019, 47(10): 4160-4166.

        [7]ZHU H H, WANG Q W. Weighted Pseudo Core Inverses in Rings [J]. Linear Multilinear Algebra, 2020, 68(12): 2434-2447.

        [8]XU S Z, CHEN J L, ZHANG X X. New Characterizations for Core Inverses in Rings with Involution [J]. Front Math China, 2017, 12(1): 231-246.

        [9]ZHU H H, WANG Q W. Weighted Moore-Penrose Inverses and Weighted Core Inverses in Rings with Involution [J]. Chinese Ann Math (Ser B), 2021, 42(4): 613-624.

        [10]PRASAD K M, BAPAT R B. The Generalized Moore-Penrose Inverse [J]. Linear Algebra Appl, 1992, 165: 59-69.

        [11]DRAZIN M P. Left and Right Generalized Inverses [J]. Linear Algebra Appl, 2016, 510: 64-78.

        [12]LAM T Y. A First Course in Noncommutative Rings [M]//Graduate Texts in Mathematics, Vol.131. 2nd ed. New York: Springer, 2001: 1-388.

        (責任編輯: 李 琦)

        收稿日期: 2022-08-10.

        第一作者簡介: 柯圓圓(1986—), 女, 漢族, 博士, 講師, 從事環(huán)論和廣義逆理論的研究, E-mail: keyy086@126.com.

        基金項目: 國家自然科學基金青年科學基金(批準號: 11901245; 11901510)和江蘇省自然科學基金(批準號: BK20200944).

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