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54A25 Cardinality properties (cardinal functions and inequalities, discrete subsets) (216 articles)

• Yoshitomi, Kazushi: Remarks on cardinal inequalities in convergence spaces. (English). Mathematica Bohemica, vol. 146 (2021), issue 2, pp. 215-227
• Arhangel'skii, Alexander V.: Continuous images of Lindelöf $p$-groups, $\sigma $-compact groups, and related results. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 60 (2019), issue 4, pp. 463-471
• Basile, Fortunata Aurora; Carlson, Nathan: On the cardinality of Urysohn spaces and weakly $H$-closed spaces. (English). Mathematica Bohemica, vol. 144 (2019), issue 3, pp. 325-336
• Juhász, István; Soukup, Lajos; Szentmiklóssy, Zoltán: Coloring Cantor sets and resolvability of pseudocompact spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 59 (2018), issue 4, pp. 523-529
• Soukup, Lajos; Stanley, Adrienne: Resolvability in c.c.c. generic extensions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 58 (2017), issue 4, pp. 519-529
• Sánchez, D. Guerrero; Tkachuk, V. V.: Some applications of the point-open subbase game. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 58 (2017), issue 3, pp. 383-395
• Olfati, A. R.: Functionally countable subalgebras and some properties of the Banaschewski compactification. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 57 (2016), issue 3, pp. 365-379
• Arhangel'skii, A. V.; Mill, J. van: Nonnormality of remainders of some topological groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 57 (2016), issue 3, pp. 345-352
• Sakai, Masami: Notes on strongly Whyburn spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 57 (2016), issue 1, pp. 123-129
• Hager, Anthony W.: The $\sigma$-property in $C(X)$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 57 (2016), issue 2, pp. 231-239
• Arhangel'skii, A. V.: Addition theorems for dense subspaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 4, pp. 531-541
• Selker, Kevin: Ideal independence, free sequences, and the ultrafilter number. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 1, pp. 117-124
• Dow, Alan: A new Lindelöf space with points $G_\delta$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 2, pp. 223-230
• Mill, Jan van: On nowhere first-countable compact spaces with countable $\pi$-weight. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 2, pp. 237-241
• Junqueira, Lucia R.; Levi, Alberto M. E.: Reflecting character and pseudocharacter. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 3, pp. 365-376
• García-Ferreira, S.; Ortiz-Castillo, Y. F.: The subspace of weak $P$-points of $\mathbb{N}^*$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 2, pp. 231-236
• Hirata, Yasushi: The sup = max problem for the extent and the Lindelöf degree of generalized metric spaces, II. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 1, pp. 89-103
• Soukup, Dániel T.; Soukup, Lajos: Partitioning bases of topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 55 (2014), issue 4, pp. 537-566
• Juhász, István; Szentmiklóssy, Zoltán: Compacta are maximally $G_\delta$-resolvable. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 54 (2013), issue 2, pp. 259-261
• Lin, Shou; Tkachenko, Mikhail: Connected LCA groups are sequentially connected. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 54 (2013), issue 2, pp. 263-272
• Arhangel'skii, A. V.: A generalization of Čech-complete spaces and Lindelöf $\Sigma $-spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 54 (2013), issue 2, pp. 121-139
• Pichardo-Mendoza, Roberto; Tamariz-Mascarúa, Ángel; Villegas-Rodríguez, Humberto: Pseudouniform topologies on $C(X)$ given by ideals. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 54 (2013), issue 4, pp. 557-577
• Song, Yan-Kui: Remarks on star covering properties in pseudocompact spaces. (English). Mathematica Bohemica, vol. 138 (2013), issue 2, pp. 165-169
• Hirata, Yasushi; Yajima, Yukinobu: The sup = max problem for the extent of generalized metric spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 54 (2013), issue 2, pp. 245-257
• McNeill, Daniel K.: H-closed extensions with countable remainder. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 53 (2012), issue 1, pp. 123-137
• Peng, Liang-Xue; He, Yu-Feng: A note on topological groups and their remainders. (English). Czechoslovak Mathematical Journal, vol. 62 (2012), issue 1, pp. 197-214
• Song, Yan-Kui: Spaces with large star cardinal number. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 53 (2012), issue 4, pp. 637-643
• Gutiérrez García, Javier; Kubiak, Tomasz: Topological calculus for separating points from closed sets by maps. (English). Czechoslovak Mathematical Journal, vol. 62 (2012), issue 1, pp. 257-264
• Tkachenko, M.: Cellularity and the index of narrowness in topological groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 52 (2011), issue 2, pp. 309-315
• Silva, Samuel Gomes da: Closed discrete subsets of separable spaces and relative versions of normality, countable paracompactness and property $(a)$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 52 (2011), issue 3, pp. 435-444
• Bella, Angelo; Costantini, Camillo: Further remarks on KC and related spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 52 (2011), issue 3, pp. 417-426
• Monk, J. D.: Maximal free sequences in a Boolean algebra. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 52 (2011), issue 4, pp. 593-610
• Avart, C.; Komjath, P.; Rödl, V.: Metric spaces with point character equal to their size. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 51 (2010), issue 3, pp. 459-467
• Basile, D.; Bella, A.: About remainders in compactifications of homogeneous spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 50 (2009), issue 4, pp. 607-613
• Juhász, István; Szentmiklóssy, Zoltán: Interpolation of $\kappa$-compactness and PCF. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 50 (2009), issue 2, pp. 315-320
• Spadaro, Santi: A note on discrete sets. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 50 (2009), issue 3, pp. 463-475
• Gorelic, Isaac; Juhász, István: AB-compacta. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 49 (2008), issue 1, pp. 141-146
• 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
• Holý, Dušan; Vadovič, Peter: Densely continuous forms, pointwise topology and cardinal functions. (English). Czechoslovak Mathematical Journal, vol. 58 (2008), issue 1, pp. 79-92
• Arhangel'skii, A. V.: Two types of remainders of topological groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 49 (2008), issue 1, pp. 119-126
• Protasov, I. V.: Extraresolvability of balleans. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 1, pp. 167-175
• Ramírez-Páramo, Alejandro; Tapia-Bonilla, Noé Trinidad: A generalization of a generic theorem in the theory of cardinal invariants of topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 1, pp. 177-187
• Bailey, Brad: I-weight of compact and locally compact LOTS. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 4, pp. 677-688
• Dow, Alan: On van Douwen spaces and retracts of $\beta {\mathbb{N}}$. (English). Mathematica Bohemica, vol. 132 (2007), issue 4, pp. 345-368
• Arhangel'skii, A. V.: $G_\delta$-modification of compacta and cardinal invariants. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 47 (2006), issue 1, pp. 95-101
• Ball, Richard N.; Hager, Anthony W.: Network character and tightness of the compact-open topology. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 47 (2006), issue 3, pp. 473-482
• Balcerzak, Marek; Natkaniec, Tomasz; Terepeta, Małgorzata: Cardinal inequalities implying maximal resolvability. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 1, pp. 85-91
• Fairey, Gareth; Gartside, Paul; Marsh, Andrew: Cardinal invariants of universals. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 4, pp. 685-703
• Buzyakova, Raushan Z.: Observations on spaces with zeroset or regular $G_\delta$-diagonals. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 3, pp. 469-473
• Ramírez-Páramo, Alejandro: On the cardinality of Hausdorff spaces and Pol-Šapirovskii technique. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 1, pp. 131-135
• da Silva, Samuel Gomes: Property $(a)$ and dominating families. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 4, pp. 667-684
• Bella, Angelo: Remarks on the cardinality of a power homogeneous space. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 3, pp. 463-468
• Gerlits, J.; Juhász, I.; Szentmiklóssy, Z.: Two improvements on Tkačenko's addition theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 4, pp. 705-710
• Levy, Ronnie; Matveev, Mikhail: Weak extent in normal spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 3, pp. 497-501
• Janssens, Saskia; De Baets, Bernard; De Meyer, Hans: Bell-type inequalities for parametric families of triangular norms. (English). Kybernetika, vol. 40 (2004), issue 1, pp. [89]-106
• Banakh, T.: Cardinal characteristics of the ideal of Haar null sets. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 45 (2004), issue 1, pp. 119-137
• Hernández, Constancio; Tkachenko, Michael: Subgroups and products of $\Bbb R$-factorizable $P$-groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 45 (2004), issue 1, pp. 153-167
• Bienias, Jerzy; Terepeta, Małgorzata: A sufficient condition for maximal resolvability of topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 45 (2004), issue 1, pp. 139-144
• Franco-Filho, Antonio de Padua: Topological characterization of the small cardinal $i$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 44 (2003), issue 4, pp. 745-750
• Arhangel'skii, A. V.; Pavlov, O. I.: A note on condensations of $C_p(X)$ onto compacta. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 43 (2002), issue 3, pp. 485-492
• Plebanek, Grzegorz: On compact spaces carrying random measures of large Maharam type. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 43 (2002), issue 2, pp. 87-99
• Okunev, Oleg: Tightness of compact spaces is preserved by the $t$-equivalence relation. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 43 (2002), issue 2, pp. 335-342
• García-Ferreira, S.; González-Silva, R. A.; Tomita, A. H.: Topological games and product spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 43 (2002), issue 4, pp. 675-685
• Tkachuk, V. V.; Yaschenko, I. V.: Almost closed sets and topologies they determine. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 42 (2001), issue 2, pp. 395-405
• Peregudov, S. A.: On $n$-in-countable bases. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 41 (2000), issue 1, pp. 175-178
• Arhangel'skii, A. V.: On topological and algebraic structure of extremally disconnected semitopological groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 41 (2000), issue 4, pp. 803-810
• Liu, Chuan: On weakly bisequential spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 41 (2000), issue 3, pp. 611-617
• Malykhin, V. I.: $C_p(I)$ is not subsequential. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 4, pp. 785-788
• Alas, O. T.; García-Ferreira, S.; Tomita, A. H.: Extraresolvability and cardinal arithmetic. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 2, pp. 279-292
• Christodoulou, Stavros: Initially $\kappa$-compact spaces for large $\kappa$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 2, pp. 319-325
• Malykhin, V. I.: Irresolvable countable spaces of weight less than $\frak C$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 1, pp. 181-185
• Bella, A.; Yaschenko, I. V.: On AP and WAP spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 3, pp. 531-536
• Arhangel'skii, A. V.; Buzyakova, R. Z.: Convergence in compacta and linear Lindelöfness. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 1, pp. 159-166
• Fedeli, Alessandro: $\omega$H-sets and cardinal invariants. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 2, pp. 367-370
• Valuyeva, J.: On some fan-tightness type properties. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 2, pp. 415-421
• Fedeli, Alessandro: On the cardinality of Hausdorff spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 3, pp. 581-585
• Jiménez, R.; Malykhin, V. I.: Structure resolvability. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 2, pp. 379-387
• Bella, A.; Malykhin, V. I.: Tightness and resolvability. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 1, pp. 177-184
• Piotrowski, Zbigniew: Ideal Banach category theorems and functions. (English). Mathematica Bohemica, vol. 122 (1997), issue 1, pp. 13-20
• 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
• Peregudov, S. A.: On the Noetherian type of topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 3, pp. 581-586
• Tkachuk, Vladimir V.: Some non-multiplicative properties are $l$-invariant. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 1, pp. 169-175
• Fedeli, Alessandro: Special almost P-spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 2, pp. 371-374
• Just, Winfried; Tanner, Andreas: Splitting $\omega$-covers. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 2, pp. 375-378
• Bell, Murray: A compact ccc non-separable space from a Hausdorff gap and Martin's Axiom. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 3, pp. 589-594
• Arhangel'skii, A. V.; Bella, A.: Countable fan-tightness versus countable tightness. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 3, pp. 565-576
• Juhász, I.; Soukup, L.; Szentmiklóssy, Z.: Forcing countable networks for spaces satisfying $\operatorname{R}(X^\omega)=\omega$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 1, pp. 159-170
• Gorelic, Isaac: The $G_\delta$-topology and incompactness of $\omega^\alpha$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 3, pp. 613-616
• Bella, Angelo; Porter, Jack R.: Local cardinal functions of H-closed spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 2, pp. 371-374
• Malykhin, V. I.: Nowhere dense subsets and Booth's Lemma. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 2, pp. 391-395
• Fedeli, Alessandro: On the cardinality of functionally Hausdorff spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 4, pp. 797-801
• Arhangel'skii, A. V.; Gordienko, I. Ju.: Relative symmetrizability and metrizability. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 4, pp. 757-774
• Arhangel'skii, A. V.; Yaschenko, I. V.: Relatively compact spaces and separation properties. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 2, pp. 343-348
• Okunev, Oleg: A remark on the tightness of products. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 2, pp. 397-399
• Arhangel'skii, A. V.; Just, W.; Plebanek, G.: Sequential continuity on dyadic compacta and topological groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 4, pp. 775-790
• Just, Winfried: The sizes of relatively compact $T_1$-spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 2, pp. 379-380
• Fedeli, Alessandro: Weak calibers and the Scott-Watson theorem. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 3, pp. 421-425
• Diker, Murat: The counterparts of some cardinal functions in bitopological spaces. I. (English). Mathematica Bohemica, vol. 120 (1995), issue 3, pp. 237-245
• Diker, Murat: The counterparts of some cardinal functions in bitopological spaces. II. (English). Mathematica Bohemica, vol. 120 (1995), issue 3, pp. 247-254
• Malykhin, V. I.: Distinguishing Lindelöfness and inverse Lindelöfness. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 36 (1995), issue 1, pp. 171-176
• Arhangel'skii, A. V.: A generic theorem in the theory of cardinal invariants of topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 36 (1995), issue 2, pp. 303-325
• Vojtáš, P.: Amoeba relation and Galois-Tukey connections. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 35 (1994), issue 2, pp. 67-74
• Gryzlov, A.: Cardinal invariants and compactifications. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 2, pp. 403-408
• Tkačenko, Michael G.: $M$-mappings make their images less cellular. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 3, pp. 553-563
• Bella, Angelo: On spaces with the property of weak approximation by points. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 2, pp. 357-360
• Gryzlov, A. A.; Stavrova, D. N.: Topological spaces with a selected subset-cardinal invariants and inequalities. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 3, pp. 525-531
• Fedeli, Alessandro: Two cardinal inequalities for functionally Hausdorff spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 2, pp. 365-369
• Garcia-Ferreira, Salvador; Tamariz-Mascarua, Angel: On $p$-sequential $p$-compact spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 2, pp. 347-356
• Marconi, Umberto: Some conditions under which a uniform space is fine. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 3, pp. 543-547
• Ismail, Mohammad: A topological characterization of stationary sets. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 4, pp. 765-767
• Tkachuk, Vladimir V.: A note on splittable spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 3, pp. 551-555
• Bella, A.; Gerlits, J.: On a condition for the pseudo radiality of a product. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 2, pp. 311-313
• Bella, Angelo; Costantini, Camillo: On the Novak number of a hyperspace. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 4, pp. 695-698
• Turzański, Marian: Strong sequences and the weight of regular spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 3, pp. 557-561
• Tkačenko, Michael G.: $\Cal P$-approximable compact spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 3, pp. 583-595
• Bella, Angelo: More on the product of pseudo radial spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 1, pp. 125-128
• Sun, Shu-Hao; Choo, Koo-Guan: New properties of the concentric circle space and its applications to cardinal inequalities. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 2, pp. 395-403
• Garcia-Ferreira, Salvador: On FU($p$)-spaces and $p$-sequential spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 1, pp. 161-171
• Ganster, Maximilian; Janković, Dragan S.; Reilly, Ivan L.: On compactness with respect to semi-open sets. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 1, pp. 37-39
• Sun, Shu Hao; Choo, Koo Guan: Some new cardinal inequalities involving a cardinal function less than the spread and the density. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 2, pp. 395-401
• Johnson, Roy A.; Wajch, Eliza; Wilczyński, Władysław: Hereditary $\kappa$-separability and the hereditary $\kappa$-Lindelöf property in function spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 1, pp. 75-80
• Comfort, William Wistar: Cofinal families in certain function spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 4, pp. 665-675
• Tkačuk, V. V.: A new way to find compact zero-dimensional first countable preimages of first countable compact spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 1, pp. 73-78
• Malykhin, Viacheslav I.: On countable Fréchet-Urysohn spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 4, pp. 695-701
• Sakai, Masami: On supertightness and function spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 2, pp. 249-251
• van Mill, J.: Totally divergent dense sets in Cantor cubes. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 4, pp. 711-713
• Juhász, István: A weakening of $\clubsuit$, with applications to topology. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 4, pp. 767-773
• Błaszczyk, A.: A note on zero-dimensional preimages of compact spaces. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 28 (1987), issue 2, pp. 5-7
• Dimov, Georgi D.; Isler, Romano; Tironi, G.: On functions preserving almost radiality and their relations to radial and pseudo-radial spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 4, pp. 751-781
• Balcar, Bohuslav; Kalášek, Pavel; Williams, Scott W.: On the multiple Birkhoff recurrence theorem in dynamics. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 4, pp. 607-612
• Alas, O. T.: On the number of compact subsets in topological groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 3, pp. 565-568
• Tkachuk, V. V.: Approximation of ${\bf R}^X$ with countable subsets of $C_p(X)$ and calibers of the space $C_p (X)$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 2, pp. 267-276
• Bella, Angelo: Free sequences in pseudo-radial spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 1, pp. 163-170
• Tkačenko, Michael G.: A note on dense subspaces of dyadic compact spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 1, pp. 1-15
• Arhangel'skii, Aleksander V.; Isler, R.; Tironi, G.: On pseudo-radial spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 1, pp. 137-154
• Bella, Angelo: On set tightness and $T$-tightness. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 4, pp. 805-814
• Arhangel'skii, Aleksander V.; Uspenskij, Vladimir Vladimirovich: On the cardinality of Lindelöf subspaces of function spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 4, pp. 673-676
• Juhász, István; Weiss, William: On the tightness of chain-net spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 4, pp. 677-681
• Simon, Petr; Tironi, Gino: Two examples of pseudo-radial spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 1, pp. 155-161
• Brunner, Norbert: Ultraproducts and the axiom of choice. (English). Archivum Mathematicum, vol. 22 (1986), issue 4, pp. 175-180
• Trnková, Věra: Countable Hausdorff spaces with countable weight. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 26 (1985), issue 4, pp. 749-770
• Simon, Petr; Weese, Martin: Nonisomorphic thin-tall superatomic Boolean algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 26 (1985), issue 2, pp. 241-252
• Szymański, Andrzej: Products and measurable cardinals. (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. [105]-112
• Butkovičová, Eva: Short branches in the Rudin-Frolík order. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 26 (1985), issue 3, pp. 631-635
• Uspenskij, Vladimir Vladimirovich: A large $F_\sigma$-discrete Fréchet space having the Souslin property. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 25 (1984), issue 2, pp. 257-260
• Shakhmatov, Dmitriĭ B.: No upper bound for cardinalities of Tychonoff C.C.C. spaces with a $G_\delta$-diagonal exists (an answer to J. Ginsburg and R. G. Woods' question). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 25 (1984), issue 4, pp. 731-746
• Gryzlov, A.: Some types of points in $N^\ast$. (English). In: Frolík, Z. (ed.): Proceedings of the 12th Winter School on Abstract Analysis. Section of Topology. Circolo Matematico di Palermo, Palermo, 1984. pp. [137]-138
• Simon, Petr: Strong decomposability of ultrafilters on cardinals with countable cofinality. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 25 (1984), issue 2, pp. 11-26
• Uspenskij, Vladimir Vladimirovich: A characterization of realcompactness in terms of the topology of pointwise convergence on the function space. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 1, pp. 121-126
• Frič, Roman; Vojtáš, Peter: Convergent sequences in $\beta X$. (English). In: Frolík, Zdeněk (ed.): Proceedings of the 11th Winter School on Abstract Analysis. Circolo Matematico di Palermo, Palermo, 1984. pp. [133]-137
• Arhangel'skii, Aleksander V.: Functional tightness, $Q$-spaces and $\tau$-embeddings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 1, pp. 105-120
• Błaszczyk, A.: Irreducible images of $\beta N-N$. (English). In: Frolík, Zdeněk (ed.): Proceedings of the 11th Winter School on Abstract Analysis. Circolo Matematico di Palermo, Palermo, 1984. pp. [47]-54
• Nguyen Van Vinh: Representation of semigroups by products of topological spaces with prescribed cardinal functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 2, pp. 317-323
• Szymański, Andrzej: Some applications of tiny sequences. (English). In: Frolík, Zdeněk (ed.): Proceedings of the 11th Winter School on Abstract Analysis. Circolo Matematico di Palermo, Palermo, 1984. pp. [321]-328
• Blair, Robert L.: Some nowhere densely generated topological properties. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 3, pp. 465-479
• Tkačenko, Michael G.: Sum theorems for the tightness and $\pi$-character in the class of compact spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 1, pp. 51-62
• Shakhmatov, Dmitriĭ B.: Вложения в топологические поля и построение поля, пространство которого не нормально. (Russian) [Embeddings into topological fields and the construction of a field the space of which is not normal]. Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 3, pp. 525-540
• Uspenskij, Vladimir Vladimirovich: К теореме Балцара-Франека об отображениях экстремально несвязных бикомпактов на канторов дисконтинуум. (Russian) [On the Balcar-Franěk theorem concerning the mappings of disconnected bicompacta on the Cantor discontinuum]. Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 1, pp. 155-165
• Comfort, W. W.: O riešení niektorých nerozhodnutelných topologických problémov. (Slovak) [Deciding some undecidable topological statements]. Pokroky matematiky, fyziky a astronomie, vol. 27 (1982), issue 5, pp. 252-272
• Gerlits, János; Nagy, Zsigmond: Products of convergence properties. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 4, pp. 747-756
• Bukovský, L.; Copláková, E.: Rapid ultrafilter need not be Q-point. (English). In: Frolík, Zdeněk (ed.): Proceedings of the 10th Winter School on Abstract Analysis. Circolo Matematico di Palermo, Palermo, 1982. pp. [15]-20
• Aniszczyk, Bohdan: Two-valued measure need not be purely $\aleph_0$-compact. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 1, pp. 167-171
• Frankiewicz, Ryszard; Gutek, Andrzej: On decomposition of spaces on meager sets. (English). In: Frolík, Zdeněk (ed.): Abstracta. 9th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1981. pp. 25-28
• 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
• Jané, Ignacio; Meyer, Paul R.; Simon, Petr; Wilson, Richard G.: On tightness in chain-net spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 4, pp. 809-817
• Tkačenko, Michael G.: Some results on inverse spectra. I. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 3, pp. 621-633
• Tkačenko, Michael G.: Some results on inverse spectra. II. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 4, pp. 819-841
• Bashkirov, Aleksandr I.: There is no universal separable Fréchet or sequential compact space. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 1, pp. 161-168
• Bukovský, Lev; Butkovičová, Eva: Ultrafilter with $\aleph_0$ predecessors in Rudin-Frolík order. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 3, pp. 429-447
• Olejček, Vladimír: Ultrafilters and Darboux property of finitely additive measure. (English). Mathematica Slovaca, vol. 31 (1981), issue 3, pp. 263-276
• Guran, I. I.: Тoполoгия бесконечнoй cиммeтpической гpупы и уплoтнения. (Russian) [Topology of an infinite symmetric group and condensations]. Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 2, pp. 311-316
• Reiterman, Jan; Rödl, Vojtěch: Atomy ve svazu uniformit. (Czech) [Atoms in a sheafs of uniformities]. Pokroky matematiky, fyziky a astronomie, vol. 25 (1980), issue 4, pp. 208-217
• Biryukov, Petr A.: Cardinalities and ranks of $\pi$-bases in topological spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 4, pp. 769-776
• van Douwen, Eric K.: Nonsupercompactness and the reduced measure algebra. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 3, pp. 507-512
• Błaszczyk, A.; Szymański, A.: Some non-normal subspaces of the Čech-Stone compactification of a discrete space. (English). In: Frolík, Z. (ed.): Abstracta. 8th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1980. pp. 35-38
• Simon, Petr: Left-separated spaces: a comment to a paper of M. G. Tkačenko. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 3, pp. 597-604
• Reiterman, J.; Rödl, V.: On non-zero dimensional atoms. (English). In: Frolík, Z. (ed.): Abstracta. 7th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1979. pp. 67-68
• Szymański, Andrzej: Some Baire category type theorems for $U(\omega_1)$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 3, pp. 519-528
• Tkačenko, Michael G.: О бикомпaктax, пpeдcтaвимых в виде объeдинения cчётного числа левых подпространств. I. (Russian) [Bicompacta that are representable as the union of a countable number of left subspaces. I.]. Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 2, pp. 361-379
• Tkačenko, Michael G.: О бикомпaктax, пpeдcтaвимых в виде объeдинения cчётного числа левых подпространств. II. (Russian) [On bikompacta representable in the form of the union of a countable number of left subspaces. II.]. Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 2, pp. 381-395
• Gerlits, János; Juhász, István: On left-separated compact spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 1, pp. 53-62
• Chrastina, Jan: An application of inaccessible alephs. (English). Archivum Mathematicum, vol. 13 (1977), issue 1, pp. 25-27
• Simon, Petr: Covering of a space by nowhere dense sets. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 4, pp. 755-761
• Arhangel'skii, Aleksander V.: On compact spaces which are unions of certain collections of subspaces of special type. II. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 1, pp. 1-9
• Simon, Petr: On natural merotopies. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 3, pp. 467-482
• Wage, Michael L.: Spaces with zero set bases. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 4, pp. 771-775
• Kucia, Anna; Szymański, Andrzej: Absolute points in $\beta N\setminus N$. (English). Czechoslovak Mathematical Journal, vol. 26 (1976), issue 3, pp. 381-387
• Mioduszewski, J.: Compact Hausdorff spaces with two open sets. (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. [288]-290
• Nyikos, P.: Countable small rank and cardinal invariants. (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. [344]-347
• Wichterle, K.: Joint-convergence in function spaces. Order of $\frak W$ closures. (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. [506]-512
• Rudin, M. E.: A narrow view of set theoretic topology. (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. 190-195
• Arhangel'skii, Aleksander V.: On compact spaces which are unions of certain collections of subspaces of special type. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 4, pp. 737-753
• Pelant, Jan: On some combinatorial problems in uniform spaces. (English). In: Frolík, Z. (ed.): Abstracta. 4th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1976. pp. 43-45
• Kannan, V.: Ordinal invariants in topology - summary. (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. [197]-206
• Balogh, Z.: Relative compactness and recent common generalizations of metric and locally compact spaces. (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. [37]-44
• Comfort, W. W.: Some recent applications of ultrafilters to topology. (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. [34]-42
• Juhász, I.: Two set-theoretic problems in topology. (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. 115-123
• Simon, Petr: A note on cardinal invariants of square. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 14 (1973), issue 2, pp. 205-213
• Kent, Darrell C.; Richardson, Gary D.: Open and proper maps between convergence spaces. (English). Czechoslovak Mathematical Journal, vol. 23 (1973), issue 1, pp. 15-23
• Rudin, M. E.: Box products. (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. 385
• Juhász, I.: Cardinal functions on products. (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. 229-230