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Found 23 Documents (Results 1–23)

A survey on the recent advances in the spectral theory on the S-spectrum. (English) Zbl 07691550

Alpay, Daniel (ed.) et al., Recent developments in operator theory, mathematical physics and complex analysis. Proceedings of the 32nd international workshop on operator theory and its applications, IWOTA 2021, Chapman University, Orange, CA, USA, August 9–13, 2022. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 290, 115-170 (2023).
MSC:  47S05 47A10
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Slice hyperholomorphic functional calculi. (English) Zbl 1334.47018

Alpay, Daniel (ed.), Operator theory. With 51 figures and 2 tables. In 2 volumes. Basel: Springer (ISBN 978-3-0348-0666-4/print; 978-3-0348-0667-1/ebook; 978-3-0348-0668-8/print+ebook; 978-3-0348-0692-3/online (updated continuously)). Springer Reference, 1787-1821 (2015).
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The \( S \)-spectrum for some classes of matrices. (English) Zbl 1262.30060

Gentili, Graziano (ed.) et al., Advances in hypercomplex analysis. Based on the INdAM workshop on different notions of regularity for functions of a quaternionic variable, Rome, Italy, September 13–17, 2010. Berlin: Springer (ISBN 978-88-470-2444-1/hbk; 978-88-470-2445-8/ebook). Springer INdAM Series 1, 125-139 (2013).
MSC:  30G35
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