Uniqueness and spectral variation in Banach algebras G Braatvedt, R Brits
Quaestiones Mathematicae 36 (2), 155-165, 2013
26 2013 Spectral characterizations of scalars in a Banach algebra G Braatvedt, R Brits, H Raubenheimer
Bulletin of the London Mathematical Society 41 (6), 1095-1104, 2009
17 2009 Gelfand-Hille type theorems in ordered Banach algebras G Braatvedt, R Brits, H Raubenheimer
Positivity 13 (1), 39-50, 2009
17 2009 On ideals of generalised invertible elements in Banach algebras RM Brits, L Lindeboom, H Raubenheimer
Mathematical Proceedings of the Royal Irish Academy, 1-10, 2005
16 2005 Trace characterizations and socle identifications in Banach algebras F Schulz, R Brits, G Braatvedt
Linear Algebra and its Applications 472, 151-166, 2015
15 2015 Multiplicative maps into the spectrum C Touré, F Schulz, R Brits
Studia Mathematica 239, 55-66, 2017
12 2017 Uniqueness under spectral variation in the socle of a Banach algebra F Schulz, R Brits
Journal of Mathematical Analysis and Applications 444 (2), 1626-1639, 2016
9 2016 Commutators, commutativity and dimension in the socle of a Banach algebra: A generalized Wedderburn–Artin and Shoda's theorem F Schulz, R Brits
Linear Algebra and its Applications 484, 175-198, 2015
9 2015 On the multiplicative spectral characterization of the Jacobson radical RM Brits
Quaestiones Mathematicae 31 (2), 179-188, 2008
9 2008 A spectral characterization of isomorphisms on -algebras R Brits, F Schulz, C Touré
Archiv der Mathematik 113, 391-398, 2019
8 2019 A multiplicative Gleason-Kahane-Żelazko theorem for C⋆-algebras R Brits, M Mabrouk, C Touré
Journal of Mathematical Analysis and Applications 500 (1), 125089, 2021
7 2021 Spectrally additive group homomorphisms on Banach algebras M Askes, R Brits, F Schulz
Journal of Mathematical Analysis and Applications 508 (2), 125910, 2022
6 2022 Some character generating functions on Banach algebras C Touré, F Schulz, R Brits
Journal of Mathematical Analysis and Applications 468 (2), 704-715, 2018
6 2018 On the structure of rank one elements in Banach algebras. RM Brits, L Lindeboom, H Raubenheimer
Extracta Mathematicae 18 (3), 297-309, 2003
6 2003 Perturbation and spectral discontinuity in Banach algebras R Brits
arXiv preprint arXiv:1808.03069, 2018
5 2018 Finite spectra and quasinilpotent equivalence in Banach algebras RM Brits, H Raubenheimer
Czechoslovak mathematical journal 62, 1101-1116, 2012
4 2012 Rank and the Drazin inverse in Banach algebras R Brits, L Lindeboom, H Raubenheimer
Studia Mathematica 3 (177), 211-224, 2006
4 2006 A multiplicative Kowalski–Słodkowski theorem for-algebras C Touré, R Brits, G Sebastian
Canadian Mathematical Bulletin 66 (3), 951-958, 2023
3 2023 Multiplicative spectral functionals on C Touré, R Brits
Bulletin of the Australian Mathematical Society 102 (2), 303-307, 2020
3 2020 Identities, approximate identities and topological divisors of zero in Banach algebras F Schulz, R Brits, M Hasse
Journal of Mathematical Analysis and Applications 455 (2), 1627-1635, 2017
3 2017