## and its Relations to Modern Analysis and Algebra

was held on August 7–13, 2011 in Prague, Czech Republic. It was organized by the Center for Theoretical Study and the Mathematical Institute of the Czech Academy of Sciences.

### Organizing committee

• T. Pazák (chairman)
• P. Simon (programme director)
• R. Roháčková (treasurer)
• J. Flašková
• D. Chodounský
• J. Starý
• J. Verner

The Symposium was attended by 138 mathematicians from 26 countries. The scientific programme consisted of 19 lectures invited by the organizing committee, 91 contributed talks presented in four parallel sessions, 5 problem sessions and 2 posters.

The proceedings are published in Proceedings of the Eleventh Prague Symposium on General Topology and Its Relations to Modern Analysis and Algebra, TOPOSYM 2011 as a special issue (Volume 159, Issue 13) of Topology and its Applications (Elsevier 2012).

### List of participants

María Elena Aguilera (México), Narcisa Apreutesei (Iasi), Gabriela Apreutesei (Iasi), Spyros Argyros (Athens), Lydia Aussenhofer (Passau), Bohuslav Balcar (Praha), Artur Barkhudaryan (Yerevan), Dana Bartošová (Prague), René Bartsch (Greifswald), Désirée Basile (Catania), Wojciech Bielas (Katowice), Aleksander Błaszczyk (Katowice), Caroline Brembilla (Orsay), Henk Bruin (Guildford), Jorge Bruno (Galway), Lev Bukovský (Kosice), Bruce Burdick (Bristol), Felix Capulin Perez (Toluca), Nate Carlson (Thousand Oaks), Bernardo Cascales (Murcia), Wlodzimierz Charatonik (Rolla), David Chodounsky (Prague), Marek Cuth (Praha), Dikran Dikranjan (Udine), Matúš Dirbák (Banska Bystrica), Michal Doucha (Prague), Alan Dow (Charlotte), Márton Elekes (Budapest), Ahmad Farhat (Wrocław), Jana Flašková (Plzeň), Joanna Garbulińska (Kielce), Salvador Garcia Ferreira (Morelia), Luis Miguel García Velázquez (México), Dimitris Georgiou (Patras), Stefan Geschke (Bonn), Anna Giordano Bruno (Udine), Eli Glasner (Tel Aviv), Helge Glockner (Paderborn), David Guerrero Sánchez (Murcia), Antonio J. Guirao Sanchez (Valencia), Petr Hajek (Praha), K. P. Hart (Delft), Rodrigo Hernández Gutiérrez (Morelia), Logan Hoehn (Birmingham), Aarno Hohti (Helsinki), Petr Holický (Praha), Michael Hrušák (Morelia), Joanna Jaroszewska (Warsaw), Istvan Juhász (Budapest), Joanna Jureczko (Warsaw), Masaru Kada (Osaka), Piotr Kalemba (Katowice), Ondřej Kalenda (Praha), Zdzisław Kosztołowicz (Kielce), Martin Kovár (Brno), Pawel Krupski (Wroclaw), Mikolaj Krupski (Warszawa), Jerzy Krzempek (Gliwice), Wieslaw Kubiś (Kielce), Andrzej Kucharski (Katowice), Hans-Peter Kunzi (Rondebosch), Dieter Leseberg (Braunschweig), Pavel Ludvík (Praha), Gabor Lukacs (Winnipeg), Sergio Macias (Mexico), Endre Makai, Jr. (Budapest), Władysław Makuchowski (Opole), Maciej Malicki (Warsaw), Miguel Martin (Granada), Tamas Matrai (Budapest), John Mayer (Birmingham), Aisling McCluskey (), Athanasios Megaritis (Patras), David Meza Alcantara (Morelia), Jan van Mill (Amsterdam) Arnold W. Miller (Madison), Hiroaki Minami (Wien), Michele Mulazzani (Bologna), Frederic Mynard (Statesboro), Inderasan Naidoo (Pretoria), Piotr Niemiec (Krakow), Jacek Nikiel (Opole), Magdalena Nowak (Kielce), Piotr Oprocha (Krakow), Norberto Ordonez (México), Alexander Osipov (Ekaterinburg), Lex Oversteegen (Birmingham), Selma Ozcag (Ankara), Janusz Pawlikowski (Wroclaw), Tom Pazák (Praha), Bill Petropoulos (Rio), Szymon Plewik (Katowice), Ross Ptacek (Birmingham), Pavel Pyrih (Prague), Robert Ralowski (Wrocław), Ando Razafindrakoto (Cape Town), Evgenii Reznichenko (Moscow), Masami Sakai (Yokohama), Alicja Samulewicz (Gliwice), Javier Sanchez (Toluca), Gavin Seal (Lausanne), Dmitri Shakhmatov (Matsuyama), Nikita Shekutkovski (Skopje), Petr Simon (Prague), Olga Sipacheva (Moscow), Josef Šlapal (Brno), Ľubomír Snoha (Banska Bystrica), Slawomir Solecki (Urbana), Lajos Soukup (Budapest), Jiří Spurný (Prague), Jan Starý (Prague), Dimitrina Stavrova (Leicester), Michal Staš (Kosice), Jaroslav Supina (Košice), Zoltan Szentmiklóssy (Budapest), Paul Szeptycki (Toronto), Frank Tall (Toronto), Katie Thompson (Wien), Mikhail Tkachenko (Mexico), Daniele Toller (Udine), Victor Torres Perez , Věra Trnková (Praha), Todor Tsankov (Paris), Murat Tuncali (North Bay), Slawomir Turek (Kielce), Marian Turzański (Warsaw), Konrad Ungeheuer (Wrocław), Jerry Vaughan (Greensboro), Benjamin Vejnar (Prague), Jonathan Verner (Prague), Hugo Villanueva (Mexico City), Scott Williams (Buffalo), Wolfgang Wohofsky (Vienna), Anna Wojciechowska (Katowice), Lyubomyr Zdomskyy (Vienna), Szymon Zeberski (Wroclaw), Ondrej Zindulka (Prague), Laszlo Zsilinszky (Pembroke),

### List of countries

The table summarizes the number of participants from individual countries.

 Poland 28 Czech Republic 21 USA 14 Mexico 12 Hungary 6 Germany, Italy, Slovakia 5 Austria, Canada, Greece, Spain 4 Japan, Russia, South Africa 3 France, Netherlands, Romania, United Kingdom 2 Armenia, Finland, Ireland, Israel, Macedonia, Turkey 1

### List of communications

 Aguilera Small Whitney Blocks Apreutesei The largest classes of closed sets for coincidence of hypertopologies Apreutesei Trotter-Kato type results for second order differential inclusions Argyros From Tsirelson space to the solution of the "scalar plus compact" problem Aussenhofer The $p$-adic topologies on $Z$ are not Mackey topologies Barkhudaryan A note on coclones of topological spaces Bartošová The universal minimal flow in the language of near ultrafilters Bartsch On graph topologies and their counterparts in the realm of convenient topology Basile Weak extent, submetrizability and diagonal degrees Błaszczyk Transversal and $T_1$-independent topologies Bruin Ingram's Conjecture Bruno Group theoretic properties of the automorphism groups of minimal $T_D$ topologies Capulin Perez On representation space and mappings Carlson Homogeneity in Non-regular Spaces Cascales Bishop-Phelps-Bollobás theorem and Asplund operators Charatonik Results about representation spaces Dikranjan Mackey groups and Mackey topologies Dirbák Some aspects of topological dynamics on spaces with a free interval Doucha Canonizing of Borel equivalence relations for the Silver ideal Dow Efimov's problem revisited Farhat Cardinal invariants of monotonically normal compacta and applications Garbulińska On the Gurarii space Garcia Ferreira Topologies generated by weak selection topologies García Velázquez Whitney levels on hyperspaces of nonmetrizable continua Georgiou Base dimension-like functions of the type Ind Giordano Bruno Entropy on abelian groups Glasner On Hilbert Dynamical Systems Glockner Continuity of convolution of test functions on Lie groups Guerrero Sánchez Dense subspaces vs closure-preserving covers of function spaces Hajek Markushevich bases in Banach spaces Hart $\omega^*$, $\omega_1^*$ and non-trivial autohomeomorphisms Hernández Gutiérrez Classifying spaces of remote points for some metrizable spaces Hoehn A non-chainable plane continuum with span zero Hrušák A metrization theorem for small Frechet groups Jaroszewska Sharkovskii's theorem for random dynamical systems Juhász Variations on $\omega$-boundedness Jureczko Strong sequences in partially ordered sets Kada Preservation of the Lindelöf property and infinite games on posets Kalenda Approximate fixed point nets and sequences Kosztołowicz Characterization of chainable, tree-like and circle-like continua Kovár The de Groot dual revisited Krupski Chain recurrent sets of typical maps on locally connected curves. An alternative proof Krupski A dichotomy for convex spaces of probability measures Krzempek On inductive dimension modulo a simplicial complex Kubiś Retracts of universal homogeneous structures Kucharski Some applications of tiny sequences Kunzi The Katětov construction revisited Leseberg Improved nearness research IV Ludvík Distances to spaces of first $H$-class functions Lukacs Vilenkin duality revisited: A unifying duality for abelian groups Macias On freely decomposable maps Makai, Jr. Epireflective subcategories of ${T_2}Unif$, $Unif$ and $Comp{T_2}Ab$, closed under epimorphic images Malicki Trees, ultrametric spaces, and their automorpshim groups Matrai On typical properties of Hilbert space operators Mayer Buried points in Julia sets McCluskey On topologies on $X$ as points in $2^{{P}(X)}$ Megaritis Base dimension-like functions of the type ind Meza Alcantara Hausdorff ultrafilters and Katětov order van Mill Topological homogeneity Miller Uniquely Universal Sets Mulazzani On the complexity of compact 3-manifolds Mynard Diagonality in spaces of open sets Naidoo On closed frame homomorphisms Niemiec Universal valued Abelian groups Nikiel Properties of Suslinian continua Nowak A convergent sequence which is not an IFS-attractor Oprocha On weak mixing and multi-transitivity Ordonez The Hyperspace of Meager Subcontinua Osipov The C-compact-open topology on C(X) Oversteegen Laminations and Complex Dynamics Ozcag Separability in bitopological spaces and selection principles Pawlikowski On the concept of $\Sigma^1_2$-completeness Pazák Todorčević orderings (poster) Plewik On I-favorable and very I-favorable spaces Ralowski Topologies on the group of invertible transformations (poster) Razafindrakoto Neighbourhood operators on categories Reznichenko Continuity In Groups Sakai Selective separability of Pixley-Roy hyperspaces Sanchez On the unicoherence of quotient spaces of symmetrics products of continua Shakhmatov Metrizability of compact groups via conditions on their dense subgroups Shekutkovski Intrinsic shape of sets in Morse decomposition Sipacheva Equations in groups and the existence of nontrivial group topologies Solecki $L_0$ and its representations Soukup Cardinal sequences of scattered spaces Spurný Descriptive properties of elements of biduals of Banach spaces Stavrova Covering Properties of Symmetrizable Spaces Supina Sequence Selection Properties for Quasi-normal Convergence Szeptycki Some results on D-spaces Tall Productively Lindelöf spaces and selection principles Tkachenko Feebly compact paratopological groups Toller Markov's problems through the looking glass of Zariski and Markov topologies Torres Perez Rado's Conjecture and $\aleph_2$-Aronszajn special trees Trnková Clones of topological spaces Tsankov Generic representations of Abelian groups Tuncali Buried points of Peano continua in the plane Turek Invariant binary subbases in compact topological groups Turzański The Bolzano-Poincaré fixed point theorem Ungeheuer On continua on which generic maps have zero-dimensional sets of chain-recurrent points Vaughan More ordinal remainders of $\psi$-spaces Vejnar Waraszkiewicz spirals revisited Villanueva Embedding cones in hyperspaces Williams Box products of non-metrizable compacta Wohofsky Marczewski Borel Conjecture and sigma-ideals dense in Sacks forcing Zdomskyy Combinatorial properties of open covers of products Zeberski The $\sigma$-ideal generated by zero-dimensional Z-sets in the Hilbert cube Zindulka Meager-additive sets in topological groups Zsilinszky On $\beta$-favorability of the strong Choquet game