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18B30 Categories of topological spaces and continuous mappings (61 articles)

• Karchevska, L.; Radul, T.: On extension of functors. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 53 (2012), issue 2, pp. 269-279
• Townsend, Christopher: A categorical account of the localic closed subgroup theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 3, pp. 541-553
• Frič, Roman: Extension of measures: a categorical approach. (English). Mathematica Bohemica, vol. 130 (2005), issue 4, pp. 397-407
• Sleziak, Martin: Subspaces of pseudoradial spaces. (English). Mathematica Slovaca, vol. 53 (2003), issue 5, pp. 505-514
• Zhuraev, T. F.: On projectively quotient functors. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 42 (2001), issue 3, pp. 561-573
• Schröder, Lutz; Herrlich, Horst: Abstract initiality. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 41 (2000), issue 3, pp. 575-583
• Zhang, Dexue: Tower extension of topological constructs. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 41 (2000), issue 1, pp. 41-51
• Herrlich, Horst; Hušek, Miroslav: Productivity of coreflective classes of topological groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 3, pp. 551-560
• Holgate, David: Linking the closure and orthogonality properties of perfect morphisms in a category. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 3, pp. 587-607
• Radul, Taras: A functional representation of the hyperspace monad. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 1, pp. 165-168
• Li, Yong Min; Guo-jun, Wang: Localic Katětov-Tong insertion theorem and localic Tietze extension theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 4, pp. 801-814
• Nykyforchyn, O. R.: Semiconvex compacta. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 4, pp. 761-774
• Banaschewski, B.; Pultr, A.: Booleanization of uniform frames. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 1, pp. 135-146
• Schroder, Mark: Arrows in the “finite product theorem for certain epireflections'” of R. Frič and D. C. Kent. (English). Mathematica Slovaca, vol. 45 (1995), issue 2, pp. 171-191
• Clementino, Maria Manuel: $\Cal T_0$- and $\Cal T_1$-reflections. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 3, pp. 493-504
• Brümmer, G. C. L.; Giuli, E.: A categorical concept of completion of objects. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 1, pp. 131-147
• Schröder, J.: Natural sinks on $Y_\beta$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 1, pp. 173-179
• Niederle, Josef: On equalizers in the category of frames with weakly open homomorphisms. (English). Czechoslovak Mathematical Journal, vol. 42 (1992), issue 3, pp. 497-502
• Schwarz, Friedhelm; Weck-Schwarz, Sibylle: On hereditary and product-stable quotient maps. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 2, pp. 345-352
• Paseka, Jan; Šmarda, Bohumil: $T_2$-frames and almost compact frames. (English). Czechoslovak Mathematical Journal, vol. 42 (1992), issue 3, pp. 385-402
• Hušek, Miroslav: Čech-Stone-like compactifications for general topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 1, pp. 159-163
• Bentley, H. L.; Lowen-Colebunders, E.: Completely regular spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 1, pp. 129-153
• Zarichnyi, M. M.: Distributivity law for the normal triples in the category of compacta and lifting of functors to the categories of algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 4, pp. 785-790
• Schlitt, Greg M.: N-compact frames. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 1, pp. 173-187
• Adámek, Jiří; Reiterman, Jan: Cartesian closed hull for metric spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 1, pp. 1-6
• Šmarda, B.: Completely normal locales. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 31 (1990), issue 2, pp. 101-104
• Schwarz, Friedhelm: Extensionable topological hulls and topological universe hulls inside the category of pseudotopological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 1, pp. 123-127
• Baboolal, D.: Fan-Gottesman type compactification of frames. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 2, pp. 373-381
• Banaschewski, Bernhard: On pushing out frames. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 1, pp. 13-21
• Lowen-Colebunders, Eva; Szabó, Zoltán Gábor: On the simplicity of some categories of closure spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 1, pp. 95-98
• Trnková, Věra: Products of metric, uniform and topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 1, pp. 167-180
• Herrlich, Horst: Realizations of topologies and closure operators by set systems and by neighbourhoods. (English). Archivum Mathematicum, vol. 25 (1989), issue 1, pp. 83-87
• Rosický, Jiří; Trnková, Věra: Representability of concrete categories by non-constant morphisms. (English). Archivum Mathematicum, vol. 25 (1989), issue 1, pp. 115-118
• Stramaccia, Luciano: Some remarks on preservation of topological products. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 1, pp. 95-99
• Koslowski, Jürgen: Topological hulls revisited. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 2, pp. 213-225
• Trnková, Věra; Hušek, Miroslav: Non-constant continuous maps of modifications of topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 4, pp. 747-765
• Herrlich, Horst: Sequential structures induced by merotopies. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 4, pp. 679-683
• Tozzi, A.; Wyler, O.: On categories of supertopological spaces. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 28 (1987), issue 2, pp. 137-149
• Lončar, Ivan: Relative continuity of the functor $\beta$. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 4, pp. 517-521
• Rice, Michael D.: Atoms in the family of coreflective subcategories of uniform spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 2, pp. 209-220
• Beattie, Ronald; Butzmann, Heinz-Peter; Herrlich, Horst: Filter convergence via sequential convergence. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 1, pp. 69-81
• Rosický, Jiří: A note on exponentiation in regular locales. (English). Archivum Mathematicum, vol. 22 (1986), issue 3, pp. 157-158
• Dikranjan, Dikran N.; Giuli, Eraldo: Ordinal invariants and epimorphisms in some categories of weak Hausdorff spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 2, pp. 395-417
• Cagliari, F.; Cicchese, M.: Disconnectednesses and closure operators. (English). In: Frolík, Z., Souček, V. and Vinárek, J. (eds.): Proceedings of the 13th Winter School on Abstract Analysis. Section of Topology. Circolo Matematico di Palermo, Palermo, 1985. pp. [15]-23
• Kříž, I.; Pultr, A.: Products of locally connected locales. (English). In: Frolík, Z., Souček, V. and Vinárek, J. (eds.): Proceedings of the 13th Winter School on Abstract Analysis. Section of Topology. Circolo Matematico di Palermo, Palermo, 1985. pp. [61]-70
• Pedicchio, M. C.; Rossi, F.: A remark on monoidal closed structures on top. (English). In: Frolík, Z., Souček, V. and Vinárek, J. (eds.): Proceedings of the 13th Winter School on Abstract Analysis. Section of Topology. Circolo Matematico di Palermo, Palermo, 1985. pp. [77]-79
• Dikranjan, D.; Giuli, E.: Epimorphims and cowellpoweredness of epireflective subcategories of Top. (English). In: Frolík, Z. (ed.): Proceedings of the 12th Winter School on Abstract Analysis. Section of Topology. Circolo Matematico di Palermo, Palermo, 1984. pp. 121-136
• Giuli, Eraldo: Topological categories with both epireflective and coreflective proper subcategories. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 3, pp. 481-488
• Adámek, Jiří; Reiterman, Jan: Cartesian closed hull of uniform spaces. (English). In: Frolík, Zdeněk (ed.): Abstracta. 9th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1981. pp. 14
• Adámek, Jiří; Strecker, George E.: Construction of Cartesian closed topological hulls. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 2, pp. 235-254
• Carlson, John W.: Prime extensions and nearness structures. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 4, pp. 663-677
• Adámek, Jiří; Herrlich, Horst; Strecker, George E.: Least and largest initial completions. I. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 1, pp. 43-58
• Rosický, Jiří: Model theoretic approach to concrete categories. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 1, pp. 192-193
• Činčura, Juraj: Tensor products in the category of topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 3, pp. 431-446
• Rice, M. D.; Tashjian, Gloria J.: Cartesian-closed coreflective subcategories of uniform spaces. (English). In: Frolík, Z. (ed.): Abstracta. 6th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1978. pp. 75-76
• Bentley, H. L.; Herrlich, Horst: Completion as reflection. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 3, pp. 541-568
• Flachsmeyer, Jürgen: On envelopes in a certain category of ordered topological vector spaces. (English). In: Frolík, Z. (ed.): Abstracta. 4th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1976. pp. 9-10
• Vilímovský, J.: Uniformly continuous Banach valued mappings. (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. [481]-484
• Isbell, J. R.: $\bold T\bold o\bold p$ and its adjoint relatives. (English). In: Franklin, S. P., Frolík, Z. and Koutník, V. (eds.): General Topology and Its Relations to Modern Analysis and Algebra. Proceedings of the Kanpur topological conference, 1968. Academia Publishing House of the Czechoslovak Academy of Sciences, Praha, 1971. pp. [143]-154
• Banaschewski, B.: Projective covers in categories of topological spaces and topological algebras. (English). In: Franklin, S. P., Frolík, Z. and Koutník, V. (eds.): General Topology and Its Relations to Modern Analysis and Algebra. Proceedings of the Kanpur topological conference, 1968. Academia Publishing House of the Czechoslovak Academy of Sciences, Praha, 1971. pp. [63]-91
• Banaschewski, B.: Projective covers in certain categories of topological spaces. (English). In: General Topology and its Relations to Modern Analysis and Algebra. Proceedings of the second Prague topological symposium, 1966. Academia Publishing House of the Czechoslovak Academy of Sciences, Praha, 1967. pp. 52-55