When do quasinilpotents lie in the Jacobson radical?
Author(s) -
Peng Cao,
Xin Wang
Publication year - 2019
Publication title -
turkish journal of mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.454
H-Index - 27
eISSN - 1303-6149
pISSN - 1300-0098
DOI - 10.3906/mat-1710-45
Subject(s) - jacobson radical , mathematics , singleton , set (abstract data type) , lambda , pure mathematics , chemistry , ring (chemistry) , computer science , physics , quantum mechanics , pregnancy , organic chemistry , biology , genetics , programming language
In this paper, we give some spectral characterizations of the Jacobson radical; that is, we will show that some conditions with λ -multiplicativity imply that the set of all quasinilpotent elements equals the Jacobson radical. We also give some conditions to make sure the quasinilpotents lie in the Jacobson radical, using the set of elements with singleton spectra.
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