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46H05 General theory of topological algebras (41 articles)

• Herzog, Gerd; Kunstmann, Peer C.: Eventually positive elements in ordered Banach algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 64 (2023), issue 3, pp. 321-330
• Naziri-Kordkandi, Ali: $\varphi $-multipliers on a class of topological algebras. (English). Mathematica Bohemica, vol. 147 (2022), issue 4, pp. 503-512
• Sahami, Amir; Omidi, Mohammad R.; Ghaderi, Eghbal; Zangeneh, Hamzeh: Approximate biflatness and Johnson pseudo-contractibility of some Banach algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 61 (2020), issue 1, pp. 83-92
• Abtahi, F.; Byabani, E.; Rejali, A.: Some algebraic and homological properties of Lipschitz algebras and their second duals. (English). Archivum Mathematicum, vol. 55 (2019), issue 4, pp. 211-224
• Grobler, Jacobus J.; Raubenheimer, Heinrich; Swartz, Andre: The index for Fredholm elements in a Banach algebra via a trace II. (English). Czechoslovak Mathematical Journal, vol. 66 (2016), issue 1, pp. 205-211
• Braatvedt, Gareth; Brits, Rudi: Geometry of the spectral semidistance in Banach algebras. (English). Czechoslovak Mathematical Journal, vol. 64 (2014), issue 3, pp. 599-610
• 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
• Montalvo, F.; Pulgarín, A. A.; Requejo, B.: Closed ideals in topological algebras: a characterization of the topological $\Phi$-algebra $C_k(X)$. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 3, pp. 903-918
• Kuzma, Bojan: Noninvertibility preservers on Banach algebras. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 3, pp. 919-921
• González, N. Castro; Koliha, J. J.; Wei, Yimin: Integral representations of the $g$-Drazin inverse in $C^*$-algebras. (English). Mathematica Bohemica, vol. 129 (2004), issue 1, pp. 71-77
• Abel, M.; Arhippainen, J.: Locally m-pseudoconvex topologies on locally A-pseudoconvex algebras. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 3, pp. 675-680
• Hadded, Fatma: Contractive projections and Seever's identity in complex $f$-algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 44 (2003), issue 2, pp. 203-215
• El Kinani, A.: Equicontinuity of power maps in locally pseudo-convex algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 44 (2003), issue 1, pp. 91-98
• Lindeboom, L.; Raubenheimer, H.: On regularities and Fredholm theory. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 3, pp. 565-574
• Nasr-Isfahani, R.: Inner amenability of Lau algebras. (English). Archivum Mathematicum, vol. 37 (2001), issue 1, pp. 45-55
• Khurana, Surjit Singh: Strict topologies as topological algebras. (English). Czechoslovak Mathematical Journal, vol. 51 (2001), issue 2, pp. 433-437
• Kordula, Vladimír; Müller, Vladimír: A continuous semicharacter. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 1, pp. 133-139
• Müller, Vladimír: A note on joint capacities in Banach algebras. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 2, pp. 367-372
• Cap, Andreas: Report on K-theory for convenient algebras. II. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Topology". Circolo Matematico di Palermo, Palermo, 1993. pp. [175]-184
• Pumplün, Dieter; Röhrl, Helmut: Totally convex algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 2, pp. 205-235
• Sołtysiak, Andrzej: On a certain class of subspectra. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 4, pp. 715-721
• Sołtysiak, Andrzej: A note on the almost left and almost right joint spectra of R. Harte. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 2, pp. 317-320
• Müller, Vladimír; Sołtysiak, Andrzej: On the largest generalized joint spectrum. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 2, pp. 255-259
• Štěrbová, Dina: On the uniform boundedness of elements of the type $\exp(ih)$ in Hermitian lmc-algebras. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 27 (1988), issue 1, pp. 55-62
• Štěrbová, Dina: On the radical in Hermitian LMC algebras. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 25 (1986), issue 1, pp. 19-29
• Štěrbová, Dina: Generalization of the Shirali-Ford theorem in Hermitian locally multiplicatively convex algebras. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 24 (1985), issue 1, pp. 45-50
• Štěrbová, Dina: Square roots of elements with an unbounded spectrum. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 23 (1984), issue 1, pp. 103-106
• Larotonda, Angel R.; Zalduendo, Ignacio M.: Continuity of characters in products of algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 3, pp. 453-459
• Müller, Vladimír: The inverse spectral radius formula and removability of spectrum. (English). Časopis pro pěstování matematiky, vol. 108 (1983), issue 4, pp. 412-415
• Štěrbová, Dina: On the fundamental inequality in locally multiplicatively convex algebras. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 22 (1983), issue 1, pp. 47-52
• Štěrbová, Dina: Square roots and quasi-square roots in locally multiplicatively convex algebras. (English). Sborník prací Přírodovědecké fakulty University Palackého v Olomouci. Matematika, vol. 19 (1980), issue 1, pp. 103-110
• Müller, Vladimír: On domination problem in Banach algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 3, pp. 475-481
• Sawoń, Zbigniew: Some remarks about the three spaces problem in Banach algebras. (English). Czechoslovak Mathematical Journal, vol. 28 (1978), issue 1, pp. 56-58
• Puhl, J.: The trace of finite and nuclear elements in Banach algebras. (English). Czechoslovak Mathematical Journal, vol. 28 (1978), issue 4, pp. 656-676
• Müller, Vladimír: On discontinuity of the spectral radius in Banach algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 3, pp. 591-598
• Štěrbová, Dina: On the spectral radius in locally multiplicatively convex topological algebras. (English). Sborník prací Přírodovědecké fakulty University Palackého v Olomouci. Matematika, vol. 16 (1977), issue 1, pp. 155-160
• Zemánek, Jaroslav: Concerning spectral characterizations of the radical in Banach algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 4, pp. 689-691
• Johnson, B. E.: Stability of Banach algebras. (English). In: General topology and its relations to modern analysis and algebra IV, Proceedings of the fourth Prague topological symposium, 1976. Part A: Invited papers. Springer, Berlin, 1977. pp. 109-114
• Zemánek, Jaroslav: A survey of recent results on the spectral radius in Banach algebras. (English). In: Novák, Josef (ed.): General topology and its relations to modern analysis and algebra IV, Proceedings of the fourth Prague topological symposium, 1976. Part B: Contributed Papers. Society of Czechoslovak Mathematicians and Physicist, Praha, 1977. pp. [531]-540
• Alexiewicz, A.: Two-norm algebras. (English). In: Novák, Josef (ed.): General topology and its relations to modern analysis and algebra IV, Proceedings of the fourth Prague topological symposium, 1976. Part B: Contributed Papers. Society of Czechoslovak Mathematicians and Physicist, Praha, 1977. pp. [21]-24