Mathematics – Representation Theory
Scientific paper
2007-09-16
Linear Algebra Appl. 402 (2005) 135-142
Mathematics
Representation Theory
10 pages
Scientific paper
10.1016/j.laa.2004.12.016
We prove that over an algebraically closed field of characteristic not two the problems of classifying pairs of sesquilinear forms in which the second is Hermitian, pairs of bilinear forms in which the second is symmetric (skew-symmetric), and local algebras with zero cube radical and square radical of dimension 2 are hopeless since each of them reduces to the problem of classifying pairs of n-by-n matrices up to simultaneous similarity.
Belitskii Genrich
Bondarenko Vitalij M.
Lipyanski Ruvim
Plachotnik Vladimir V.
Sergeichuk Vladimir V.
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