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54B20 Hyperspaces (60 articles)

• Tuyen, Luong Q.; Tuyen, Ong V.; Tuan, Phan D.; Truc, Nguzen X.: About $wcs$-covers and $wcs^*$-networks on the Vietoris hyperspace $\mathcal F(X)$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 64 (2023), issue 4, pp. 519-527
• Georgiou, Dimitrios N.; Mamadaliev, Nodirbek K.; Zhuraev, Rustam M.: A note on functional tightness and minitightness of space of the $G$-permutation degree. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 64 (2023), issue 1, pp. 97-108
• Gutev, Valentin: Hyperspace selections avoiding points. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 63 (2022), issue 3, pp. 351-364
• Anaya, José G.; Castañeda-Alvarado, Enrique; Martínez-Cortez, José A.: On the hyperspace $C_n(X)/{C_n}_K(X)$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 62 (2021), issue 2, pp. 201-224
• Tuyen, Luong Q.; Tuyen, Ong V.: On the $n$-fold symmetric product of a space with a $\sigma$-$(P)$-property $cn$-network ($ck$-network). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 61 (2020), issue 2, pp. 257-263
• Anaya, José G.; Castañeda-Alvarado, Enrique; Oca, Alejandro Fuentes-Montes de; Orozco-Zitli, Fernando: Making holes in the cone, suspension and hyperspaces of some continua. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 59 (2018), issue 3, pp. 343-364
• Lončar, Ivan: Extending generalized Whitney maps. (English). Archivum Mathematicum, vol. 53 (2017), issue 2, pp. 65-76
• Castañeda-Alvarado, Enrique; Vidal-Escobar, Ivon: Property of being semi-Kelley for the cartesian products and hyperspaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 58 (2017), issue 3, pp. 359-369
• Illanes, Alejandro: A continuum $X$ such that $C(X)$ is not continuously homogeneous. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 57 (2016), issue 1, pp. 97-101
• Gutev, Valentin: Selections and approaching points in products. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 57 (2016), issue 1, pp. 89-95
• Chinen, Naotsugu: Symmetric products of the Euclidean spaces and the spheres. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 2, pp. 209-221
• Qiu, Dong; Lu, Chongxia; Deng, Shuai; Wang, Liang: On the hyperspace of bounded closed sets under a generalized Hausdorff stationary fuzzy metric. (English). Kybernetika, vol. 50 (2014), issue 5, pp. 758-773
• Anaya, José G.; Castañeda-Alvarado, Enrique; Illanes, Alejandro: Continua with unique symmetric product. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 54 (2013), issue 3, pp. 397-406
• Yang, Hanbiao: Metrization of function spaces with the Fell topology. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 53 (2012), issue 2, pp. 307-318
• Hernández-Gutiérrez, Rodrigo; Tamariz-Mascarúa, Angel: Disconnectedness properties of hyperspaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 52 (2011), issue 4, pp. 569-591
• Yang, Zhongqiang; Zhao, Dongsheng: On reflexive closed set lattices. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 51 (2010), issue 1, pp. 143-154
• Gutev, Valentin: Weak selections and weak orderability of function spaces. (English). Czechoslovak Mathematical Journal, vol. 60 (2010), issue 1, pp. 273-281
• Illanes, Alejandro: Fixed point property on symmetric products of chainable continua. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 50 (2009), issue 4, pp. 615-628
• Leiderman, A.; Protasov, I. V.: Cellularity of a space of subgroups of a discrete group. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 49 (2008), issue 3, pp. 519-522
• Gutev, Valentin; Nogura, Tsugunori: Weak selections and flows in networks. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 49 (2008), issue 3, pp. 509-517
• Townsend, Christopher: A categorical account of the localic closed subgroup theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 3, pp. 541-553
• Banakh, Taras; Hryniv, Olena: Embedding topological semigroups into the hyperspaces over topological groups. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 48 (2007), issue 2, pp. 3-18
• Acosta, Gerardo; Aguilar-Martínez, Álgebra: A note on the paper ``Smoothness and the property of Kelley''. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 4, pp. 669-676
• Tamariz-Mascarúa, Ángel: Continuous selections on spaces of continuous functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 47 (2006), issue 4, pp. 641-660
• Uzcátegui, Carlos: Topologies generated by ideals. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 47 (2006), issue 2, pp. 317-335
• Maio, G. Di; Meccariello, E.; Naimpally, S.: Normal Vietoris implies compactness: a short proof. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 1, pp. 181-182
• Künzi, H. P. A.; Romaguera, S.; Sánchez-Granero, M. A.: On uniformly locally compact quasi-uniform hyperspaces. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 1, pp. 215-228
• Holý, D.: On multifunctions with closed graphs. (English). Mathematica Bohemica, vol. 126 (2001), issue 4, pp. 779-786
• Hrušák, M.; Szeptycki, P. J.; Tomita, A. H.: Selections on $\Psi$-spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 42 (2001), issue 4, pp. 763-769
• Krupski, Paweł: Errata to hyperspaces of various locally connected subcontinua. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 41 (2000), issue 1, pp. 81
• Charatonik, Włodzimierz J.: Induced near-homeomorphisms. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 41 (2000), issue 1, pp. 133-137
• Charatonik, Marta N.; Charatonik, Włodzimierz J.: On Mazurkiewicz sets. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 41 (2000), issue 4, pp. 817-819
• Zsilinszky, László: Baire spaces and weak topologies generated by gap and excess functionals. (English). Mathematica Slovaca, vol. 49 (1999), issue 3, pp. 357-366
• Krupski, P.: Hyperspaces of various locally connected ѕubcontinua. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 40 (1999), issue 2, pp. 79-83
• Brandi, P.; Ceppitelli, R.; Holá, Ľ.: Kuratowski convergence on compacta and Hausdorff metric convergence on compacta. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 2, pp. 309-318
• Radul, Taras: A functional representation of the hyperspace monad. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 1, pp. 165-168
• Barbati, A.; Costantini, C.: On the density of the hyperspace of a metric space. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 2, pp. 349-360
• Artico, Umberto; Marconi, Giuliano: Hausdorff topology and uniform convergence topology in spaces of continuous functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 36 (1995), issue 4, pp. 765-773
• Illanes, Alejandro: Whitney blocks in the hyperspace of a finite graph. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 36 (1995), issue 1, pp. 137-147
• Gladdines, Helma: $F_\sigma $-absorbing sequences in hyperspaces of subcontinua. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 4, pp. 729-745
• Beer, Gerald; Tamaki, Robert K.: On hit-and-miss hyperspace topologies. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 4, pp. 717-728
• Bella, Angelo; Costantini, Camillo: On the Novak number of a hyperspace. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 4, pp. 695-698
• Beer, Gerald; Di Concilio, Anna: A generalization of boundedly compact metric spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 2, pp. 361-367
• Spakowski, Andrzej: On approximation of multifunctions with respect to the Vietoris topology. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 29 (1988), issue 2, pp. 75-80
• Bandlow, Ingo: On weak $\kappa$-metric. (English). In: Frolík, Z. (ed.): Proceedings of the 12th Winter School on Abstract Analysis. Section of Topology. Circolo Matematico di Palermo, Palermo, 1984. pp. [13]-18
• Šiška, Jaromír: The LCC-topology on the space of continuous functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 1, pp. 89-103
• Hajnal, A.: On Pixley-Roy hyperspaces. (English). In: Frolík, Zdeněk (ed.): Abstracta. 9th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1981. pp. 69
• Popov, V. V.: О топологиях очановского типа. (Russian) [On topologies of Ochan's type]. In: Frolík, Zdeněk (ed.): Abstracta. 9th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1981. pp. 143-145
• Le Van Hot: On the embedding theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 4, pp. 777-794
• Lee, Cheng Ming: An existence theorem via an intuitive idea and fixed-point theorems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 4, pp. 715-725
• Flachsmeyer, Jürgen: On metrization of hyperspaces. (English). In: Frolík, Z. (ed.): Abstracta. 5th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1977. pp. 19
• Grimeisen, G.: The limit inferior of a filtered set-family as a set of limit points. (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. 149-153
• Marjanović, M. M.: Some questions related to hyperspaces. (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. [276]-278
• Sekanina, Milan: Topologies on systems of subsets. (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. [420]-424
• Grimeisen, Gerhard: The hyperspace of lower semicontinuity and the first power of a topological space. (English). Czechoslovak Mathematical Journal, vol. 24 (1974), issue 1, pp. 15-25
• Ray, Barada K.: Subsequential limits of fixed point sets. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 4, pp. 615-626
• Pelant, Jan: Cardinal reflections and point-character of uniformities – counterexamples. (English). In: Frolík, Zdeněk (ed.): Seminar Uniform Spaces. , 1975. pp. 149-158
• Gavalec, Martin: The Dimension of the Set of All Finite Subsets of the Continuum. (English). Matematický časopis, vol. 21 (1971), issue 3, pp. 240
• West, J. E.: Identifying Hilbert cubes: general methods and their application to hyperspaces by Schori and West. (English). In: Novák, J. (ed.): General Topology and its Relations to Modern Analysis and Algebra. Proceedings of the Third Prague Topological Symposium, 1971. Academia Publishing House of the Czechoslovak Academy of Sciences, Praha, 1972. pp. 455-461
• Duda, R.: One result on inverse limits and hyperspaces. (English). In: Novák, J. (ed.): General Topology and its Relations to Modern Analysis and Algebra. Proceedings of the Third Prague Topological Symposium, 1971. Academia Publishing House of the Czechoslovak Academy of Sciences, Praha, 1972. pp. 99-102