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Group representations and matrix spectral problems∗
1999
Linear and multilinear algebra
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We study a connection, via group representation theory, between the problem of describing the invariant factors of a product of two matrices over a principal ideal domain and the problem of describing the spectrum of a sum of two Hermitian matrices.
doi:10.1080/03081089908818603
fatcat:4ehda3t375gmzb43udbn2v42ma