A relationship between mixed discriminants and the joint spectrum of a family of commuting operators in finite-dimensional space

DOI10.1007/BF02356058zbMath0914.47018MaRDI QIDQ1277412

Yury Ya. Agranovich, O. T. Azizova

Publication date: 1 March 1999

Published in: Mathematical Notes (Search for Journal in Brave)

zbMATH Keywords

eigenvaluesjoint spectrumGershgorin's theoremmixed discriminantspolynomial operator pencil

Mathematics Subject Classification ID

Several-variable operator theory (spectral, Fredholm, etc.) (47A13) Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56)

Cites Work

• On the variation of the spectra of matrices
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