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This paper is a continuation of RZhMat 1981, 7A438. Suppose R is a commutative ring generated by its group of units R* and there exist[Figure not available: see fulltext.] such that[Figure not available: see fulltext.]. Suppose also that ℑ is the Jacobson radical of R, and B(ℑ) is a subgroup of GL(n,R) consisting of the matrices a=(aij) such that aij∃ℑ for i>j. If a matrix a∃B(ℑ) is represented in the form a=udv, where u is upper unitriangular, d is diagonal, and v is lower unitriangular, then u,v∃〈D,aDa-1〉, where D=D(n,R) is the group of diagonal matrices. In particular, D is abnormal in B(ℑ)
Original language | English |
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Pages (from-to) | 2865-2874 |
Number of pages | 10 |
Journal | Journal of Soviet Mathematics |
Volume | 27 |
Issue number | 4 |
DOIs | |
State | Published - Nov 1984 |
ID: 76483954