Original Articles

Left-right consistency in rings III

Published in: Quaestiones Mathematicae
Volume 34 , issue 3 : Entrepreneurship and Africa’s Cultural Context , 2024 , pages: 335–339
DOI: 10.2989/16073606.2011.622884
Author(s): Dragan Djordjevic Faculty of Science and Mathematics, Serbia, Robin Harte School of Mathematics, Ireland, Cora Stack Department of Mathematics, Ireland,
Keywords: 46H05, 47A05, 46H05, 47A05,
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Abstract

A bounded linear operator T is said to be “left-right consistent” if the spectra of all the products ST and TS coincide. In this note we relate the associated “consistency spectrum” to Fredholm theory, and to the “fat boundary”.
« Shifts on products of banach spaces
Ruston elements and fredholm theory relative to arbitrary homomorphisms »

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