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Found 13 Documents (Results 1–13)

Zero sums of idempotents and Banach algebras failing to be spectrally regular. (English) Zbl 1291.46048

Kaashoek, Marinus A. (ed.) et al., Advances in structured operator theory and related areas. The Leonid Lerer anniversary volume on the occasion of his 70th birthday. Basel: Birkhäuser/Springer (ISBN 978-3-0348-0638-1/hbk; 978-3-0348-0639-8/ebook). Operator Theory: Advances and Applications 237, 41-78 (2013).
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Spectral regularity of Banach algebras and non-commutative Gelfand theory. (English) Zbl 1268.30040

Dym, Harry (ed.) et al., A panorama of modern operator theory and related topics. The Israel Gohberg memorial volume. Basel: Birkhäuser (ISBN 978-3-0348-0220-8/hbk; 978-3-0348-0221-5/ebook). Operator Theory: Advances and Applications 218, 123-153 (2012).
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Logarithmic residues of Fredholm operator valued functions and sums of finite rank projections. (English) Zbl 1051.30046

Gohberg, Israel (ed.) et al., Linear operators and matrices. The Peter Lancaster anniversary volume. Basel: Birkhäuser (ISBN 3-7643-6655-9/hbk). Oper. Theory, Adv. Appl. 130, 83-106 (2002).
MSC:  30G30 47A53 46H30
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Spline approximation methods for the biharmonic Dirichlet problem on non-smooth domains. (English) Zbl 1020.65092

Böttcher, Albrecht (ed.) et al., Toeplitz matrices and singular integral equations. The Bernd Silbermann anniversary volume. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 135, 145-160 (2002).
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