Eigenvalue inequalities and equalities
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Roger A. Horn; Noah H. Rhee; So Wasin
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Article
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1998
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Elsevier Science
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English
โ 610 KB
We consider cases of equality in three basic inequalities for eigenvalues of Hermitian matrices: Cauchy's interlacing inequalities for principal submatrices, Weyl's inequalities for sums, and the residual theorem. Several applications generalize and sharpen known results for eigenvalues of irreducib