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54A25 Cardinality properties (cardinal functions and inequalities, discrete subsets) (222 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
• Lutzer, David J.: Classifying stationary sets: a survey. (English). In: Frolík, Zdeněk (ed.): Seminar Uniform Spaces. , 1978. pp. 13-23
• 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
• Vilímovský, Jiří: A note on $\alpha$-universal spaces. (English). In: Frolík, Zdeněk (ed.): Seminar Uniform Spaces. , 1976. pp. 43-48
• Pelant, Jan: Point character of uniformities and completeness. (English). In: Frolík, Zdeněk (ed.): Seminar Uniform Spaces. , 1976. pp. 55-61
• Pelant, Jan: Universal metric spaces. (English). In: Frolík, Zdeněk (ed.): Seminar Uniform Spaces. , 1976. pp. 49-53