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46H10 Ideals and subalgebras (11 articles)

• Mouton, Sonja: Generalized spectral perturbation and the boundary spectrum. (English). Czechoslovak Mathematical Journal, vol. 71 (2021), issue 2, pp. 603-621
• Brits, Rudi M.; Raubenheimer, Heinrich: Finite spectra and quasinilpotent equivalence in Banach algebras. (English). Czechoslovak Mathematical Journal, vol. 62 (2012), issue 4, pp. 1101-1116
• Raubenheimer, Heinrich: On quasinilpotent equivalence of finite rank elements in Banach algebras. (English). Czechoslovak Mathematical Journal, vol. 60 (2010), issue 3, pp. 589-596
• Kuzma, Bojan: Noninvertibility preservers on Banach algebras. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 3, pp. 919-921
• Lindeboom, L.; Raubenheimer, H.: On regularities and Fredholm theory. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 3, pp. 565-574
• John, Kamil: U-ideals of factorable operators. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 3, pp. 607-616
• Emmanuele, G.; John, K.: Uncomplementability of spaces of compact operators in larger spaces of operators. (English). Czechoslovak Mathematical Journal, vol. 47 (1997), issue 1, pp. 19-32
• Kordula, Vladimír; Müller, Vladimír: A continuous semicharacter. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 1, pp. 133-139
• Pumplün, Dieter; Röhrl, Helmut: Totally convex algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 2, pp. 205-235
• Müller, Vladimír: On domination problem in Banach algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 3, pp. 475-481
• Howard, Joe: Unconditionally converging operators in locally convex Hausdorff spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 4, pp. 637-641