1 A Modest Review of a Great Deal of Work ..................... 11
Paul D. Humke
2 Jan Lipiński - our teacher .................................. 27
Wladyslaw Wilczyński
3 The legacy of Professor Jan Stanislaw Lipinski for the
sake of the development of mathematics in Gdansk (1969-
1998) ....................................................... 29
Lech Górniewicz, Zbigniew Grande
4 The Scientific Family of Professor Jan Lipinski ............. 35
Małgorzata Filipczak, Małgorzata Terepeta
5 Existence theorems on convolution of functions,
distributions and ultradistributions ........................ 39
Andrzej Kamiński, Svetlana Mincheva-Kamińska
6 Convergence of sequences of measurable functions ............ 55
Elżbieta Wagner-Bojakowska, Władysław Wilczyński
7 Ideal convergence ........................................... 69
Rafał Filipów, Tomasz Natkaniec, Piotr Szuca
8 On uniform convergence and some related types of
convergence ................................................. 93
Robert Drozdowski, Jacek Jędrzejewski, Stanisław
Kowalczyk, Agata Sochaczewska
9 Points of quasicontinuity and of similar generalizations
of continuity .............................................. 113
Ján Borsík
10 On Extension Problem, Decomposing and Covering of
Functions .................................................. 129
Zbigniew Grande, Mariola Marciniak
11 On Baire generalized topological spaces and some problems
connected with discrete dynamical systems .................. 151
Anna Loranty, Ryszard J. Pawlak
12 On rings of Darboux-like functions. From questions about
the existence to discrete dynamical systems ................ 173
Ewa Korczak-Kubiak, Helena Pawlak, Ryszard J. Pawlak
13  -approximate differentiation of real functions ........... 195
Ewa Łazarow
14 Lineability, algebrability and strong algebrability of
some sets in  or  .................................... 213
Artur Bartoszewicz, Marek Bienias, Szymon Głąb
15 On approximately continuous integrals (a survey) ........... 233
Valentin A. Skvortsov, Tatiana Sworowska, Piotr Sworowski
16 Axial functions ............................................ 253
Marcin Szyszkowski
17 Measurability of multifunctions with the (J) property ...... 265
Grazyna Kwiecińska
18 Bilinear mappings - selected properties and problems ....... 281
Marek Balcerzak, Filip Strobin, Artur Wachowicz
19 Stability Aspects of the Jensen-Hosszu Equation ............ 307
Zygfryd Kominek
20 Properties of the σ - ideal of microscopic sets ............ 325
Grażyna Horbaczewska, Aleksandra Karasińska, Elżbieta
Wagner-Bojakowska
21 Topological and algebraic aspects of subsums of series ..... 345
Artur Bartoszewicz, Malgorzata Filipczak, Franciszek
Prus-Wiśniowski
22 On Ψ-density topologies on the real line and on the
plane ...................................................... 367
Małgorzata Filipczak, Małgorzata Terepeta
23 Density type topologies generated by functions, ƒ-density
as a generalization of (s)-density and Ψ-density ........... 389
Tomasz Filipczak
24 Density type topologies generated by functions.
Properties of ƒ-density .................................... 411
Małgorzata Filipczak, Tomasz Filipczak
25 On the abstract density topologies generated by lower and
almost lower density operators ............................. 431
Jacek Hejduk, Renata Wiertelak
26 Path continuity connected with the notion of density ....... 449
Stanisław Kowalczyk, Katarzyna Nowakowska
27 Decompositions of permutations of  with respect to
divergent permutations ..................................... 473
Roman Wituła
List of denotations ........................................... 491
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