✦ LIBER ✦

Finite and continuous perturbations of matrix eigenvalues

✍ Scribed by A.L Andrew

Publisher: Elsevier Science
Year: 1998
Tongue: English
Weight: 306 KB
Volume: 11
Category: Article
ISSN: 0893-9659
DOI: 10.1016/s0893-9659(97)00131-6

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✦ Synopsis

An elementary proof is given that some well-known formulae for derivatives of eigenvalues of matrix-valued functions hold under weaker hypotheses than are required by the usual proofs. The relationship between continuous and finite perturbations is also discussed.

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