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On Browder tuples

Harte, Robin E. and Kitson, Derek (2009) On Browder tuples. Acta Scientiarum Mathematicarum, 75 (3-4). pp. 665-677.

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In this article we extend the notions of a quasipolar, polar and Browder element in a normed algebra to a multivariable setting. A decomposition result is established for Browder tuples of bounded operators and characterisations in terms of ascent and descent are provided for some special cases. Finally we show that a multivariable spectral mapping theorem holds for a large class of Browder joint spectra.

Item Type: Article
Journal or Publication Title: Acta Scientiarum Mathematicarum
Subjects: Q Science > QA Mathematics
Departments: Faculty of Science and Technology > Mathematics and Statistics
ID Code: 58210
Deposited By: ep_importer_pure
Deposited On: 19 Sep 2012 10:16
Refereed?: Yes
Published?: Published
Last Modified: 03 Nov 2015 16:29
Identification Number:

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