Weekly math seminar with talks ranging from real functions and topology to set theory and logic

Forthcoming lectures:

Time and place: usually Tuesdays at 10:15 in room A113 xor online (in case of any questions, please contact rafal.filipow@ug.edu.pl)

• 2023-11-14 – Krzysztof Kowitz: Relations between some classes of natural numbers
• 2023-11-21 – Adam Kwela: Ideal version of Egorov’s theorem
• 2023-11-23 – There is a Logic Colloquium talk. For details (e.g. places, time and schedule) see Gdańsk Logic Colloquium Talks web page.
• 2023-11-28 – TBA
• 2023-11-30 – There is a Logic Colloquium talk. For details (e.g. places, time and schedule) see Gdańsk Logic Colloquium Talks web page.
• 2023-12-05 – Bartosz Wcisło – TBA
• 2023-12-12 – Bartosz Wcisło: TBA
• 2023-12-19 – Bartosz Wcisło – TBA

History of the Seminar

• 2023 ::: Gdańsk Logic Conference, May 5-7, 2023
• 2017 ::: History of the Seminar on Real Functions in Gdańsk (a chapter in the monograph Matematyka na Pomorzu Gdańskim 1945-2015)
• 2013 ::: A session dedicated to the 90^th birthday of Professor Lipiński
• 2013 ::: Workshop on Set Theory and its Applications to Topology And Real Analysis, Gdańsk, 4-6 July, 2013, in memory of Irek Recław
• 2012 ::: Ireneusz Recław (1960-2012)

Pictures

Past lectures

2023

• 2023-11-07 – Adam Kwela: Ideal version of Egorov’s theorem
• 2023-10-31 – Piotr Sworowski (Casimir the Great University in Bydgoszcz): On HK_r-integration
• 2023-10-17 – Piotr Szuca: Game theoretic characterization of Baire one functions — Part 2
• 2023-10-10 – Piotr Szuca: Game theoretic characterization of Baire one functions — Part 1
• 2023-08-08 – Takehiko Gappo (TU Wien): Chang-type models of determinacy with supercompact measures
• 2023-07-11 – Paolo Leonetti (Università Luigi Bocconi, Milano, Italy): Regular matrices of unbounded linear operators
• 2023-07-04 – Olaf Kołodziejski: A Note on Transitive Sets without the Foundation Axiom
• 2023-06-27 – Obrad Kasum (Université de Paris): Logical complexity, large cardinals, and determinacy
• 2023-06-20 – Christopher Henney-Turner (IMPAN): Forcing axioms via ground model interpretations
• 2023-06-13 – Piotr Szewczak (Cardinal Wyszyński University in Warsaw): Perfectly meager sets in the transitive sense and the Hurewicz property
• 2023-06-06 – Daniel Hoffmann (University of Warsaw and TU Dresden): General on Model Completeness of SL(2,R)
• 2023-05-30 – Maxwell Levine (University of Freiburg): On Disjoint Stationary Sequences
• 2023-05-23 – Adam Kwela: Spaces not distinguishing ideal pointwise and ideal sigma-uniform convergence of continuous functions
• 2023-05-16 – Jacek Tryba: The ideal test for the divergence of a series
• 2023-05-09 – Jarosław Swaczyna (Łódź University of Technology): Slow dynamical systems with large Hausdorff dimension
• 2023-04-25 – Adam Kwela: Spaces not distinguishing ideal pointwise and ideal sigma-uniform convergence of continuous functions
• 2023-04-18 – Marcin Michalski (Wroclaw University of Science and Technology): Ideals with Smital properties
• 2023-04-04 – Douglas Blue (Harvard University, US): Reflecting into models of determinacy
• 2023-03-28 – Rafał Filipów: Two b or not two b? — Part 2
• 2023-03-21 – Rafał Filipów: Two b or not two b? — Part 1
• 2023-03-14 – Jörg Brendle (Kobe University, Japan): Rothberger gaps in fragmented ideals
• 2023-03-07 – Jacek Tryba: Katetov order on Borel ideals — Part 2
• 2023-02-28 – Jacek Tryba: Katetov order on Borel ideals — Part 1
• 2023-02-21 – Jan Kostrzon (University of Warsaw): Diamond in L[U] with short introduction to iterated ultrapowers.
• 2023-01-17 – Grigor Sargsyan (IMPAN): omega strongly measurable cardinals in Pmax extensions of models of AD
• 2023-01-10 – Diana Montoya (University of Vienna): Maximal independence and singulars

2022

• 2022-12-13: Wojciech Wołoszyn (University of Oxford, UK), Modal logic: a unified approach to category theory and model theory
• 2022-12-06: Krzysztof Kowitz, A unified approach to Hindman and van der Waerden spaces — Part 2
• 2022-11-29: Krzysztof Kowitz, A unified approach to Hindman and van der Waerden spaces — Part 1
• 2022-11-22: Jacek Gulgowski, Compactness in normed spaces: a unified approach through semi-norms
• 2022-11-15: Jacek Tryba, Rapid ultrafilters and ideal convergence of series — Part 3
• 2022-11-08: Jacek Tryba, Rapid ultrafilters and ideal convergence of series — Part 2
• 2022-10-25: Jacek Tryba, Rapid ultrafilters and ideal convergence of series — Part 1
• 2022-10-18: Adam Kwela, On an infinite game related to I-ultrafilters
• 2022-10-11: Piotr Szuca, Turnpike theorem without assumption of uniqueness
• 2022-07-11: Ondřej Zindulka (Czech Technical University in Prague), Meager-additive sets and topological diagonalization
• 2022-06-28: Rafał Filipów, Characterizing existence of certain ultrafilters — Part 5
• 2022-06-21: Rafał Filipów, Characterizing existence of certain ultrafilters — Part 4
• 2022-06-14: Rafał Filipów, Characterizing existence of certain ultrafilters — Part 3
• 2022-06-07: Krzysztof Kowitz, Characterizing existence of certain ultrafilters — Part 2
• 2022-05-24: Szymon Żeberski (Wroclaw University of Science and Technology), Inscribing rectangles into big sets
• 2022-05-17: Krzysztof Kowitz, Characterizing existence of certain ultrafilters — Part 1
• 2022-05-12: Filip Strobin (Łódź University of Technology), Attractors of non-contractive IFSs (iterated function systems)
• 2022-05-05: Filip Strobin (Łódź University of Technology), Gently introduction to Hutchinson-Barnsley theory of fractals
• 2022-04-26: Tomasz Natkaniec, Almost continuous Sierpiński-Zygmund functions under different set theoretical assumptions (continuation)
• 2022-04-12: Xi He (Sichuan University, China), The Borel complexity of ideal limit points
• 2022-03-29: Wojciech Wołoszyn (University of Oxford, UK), The resurrection axiom and the mantle
• 2022-03-22: Tomasz Natkaniec, Almost continuous Sierpiński-Zygmund functions under different set theoretical assumptions
• 2022-03-15: Jacek Tryba, Filters and statistical measures
• 2022-03-08: Paolo Leonetti (Università Luigi Bocconi, Milano, Italy), Tauberian theorems for ordinary convergence
• 2022-01-18: Adam Kwela, On a conjecture of Debs and Saint Raymond (continuation)
• 2022-01-11: Adam Kwela, On a conjecture of Debs and Saint Raymond

2021

• 2021-12-21: Adam Kwela, Yet another ideal version of the bounding number — Part 3
• 2021-12-14: Rafał Filipów, Yet another ideal version of the bounding number — Part 2
• 2021-12-07: Rafał Filipów, Yet another ideal version of the bounding number — Part 1
• 2021-11-23: Krzysztof Kowitz, Infinite perfect Golomb ruler
• 2021-11-16: Martina Iannella (Universita Degli Studi Di Udine, Italy), Convex embeddability on linear/circular orders and connections to knot theory
• 2021-11-09: Justyna Poprawa (University of Łódź), Local aspects of entropy and chaos of discrete dynamical systems.
• 2021-11-02: Grigor Sargsyan (IMPAN), Generic absoluteness for universally Baire sets (continuation)
• 2021-10-26: Grigor Sargsyan (IMPAN), Generic absoluteness for universally Baire sets
• 2021-10-19: Piotr Szuca, Pointwise continuity, pointwise discontinuity and Namioka’s theorem (continuation)
• 2021-10-12: Piotr Szuca, Pointwise continuity, pointwise discontinuity and Namioka’s theorem
• 2021-06-01: Paweł Klinga, Sigma-porosity of certain known ideals
• 2021-05-25: Jarosław Swaczyna (Łódź University of Technology and Institute of Mathematics of the Czech Academy of Sciences), Polish space of separable Banach spaces and its application to continuity of filter-projections
• 2021-05-18: Krzysztof Kowitz, Hindman spaces which are not I-spaces
• 2021-05-11: Krzysztof Kowitz, Differentially compact spaces
• 2021-05-04: Adam Kwela, Unboring ideals (continuation)
• 2021-04-27: Adam Kwela, On extendability to F_σ ideals
• 2021-04-20: Adam Kwela, Unboring ideals.
• 2021-04-13: Jacek Marchwicki (University of Warmia and Mazury, Olsztyn), Recovering a purely atomic finite measure from its range
• 2021-03-30: Rafał Filipów, The cardinal characteristics of ideals in-between ideals ED and Fin⊗Fin
• 2021-03-23: Rafał Filipów, The Katětov order structure of ideals in-between ideals ED and Fin⊗Fin (continuation)
• 2021-03-16: Marek Balcerzak (Łódź University of Technology), Families of equi-Borel 1 functions.
• 2021-03-09: Rafał Filipów, The Katětov order structure of ideals in-between ideals ED and Fin⊗Fin (continuation)
• 2021-03-02: Rafał Filipów, The Katětov order structure of ideals in-between ideals ED and Fin⊗Fin
• 2021-02-23: Paolo Leonetti (Università Luigi Bocconi, Milano, Italy), Turnpike theory.
• 2021-01-19: Wojciech Wołoszyn (University of Oxford, UK), Modal model theory
• 2021-01-12: Jacek Tryba, Ideals of nowhere dense sets on N

2020

• 2020-12-15: Pratulananda Das (Jadavpur University, Kolkata, India), Generating uncountable subgroups of the circle group by certain modes of convergence
• 2020-12-08: Jaroslav Šupina (University of Vienna, Austria and Pavol Jozef Šafárik University in Košice, Slovakia), Ideal Frechet-Urysohn property of a space of continuous functions
• 2020-11-24: Tomasz Natkaniec, Lineability of families of nonmeasurable functions of 2 variables (continuation)
• 2020-11-17: Tomasz Natkaniec, Lineability of families of nonmeasurable functions of 2 variables
• 2020-11-10: Bartosz Kamedulski, ε_ω order on naturals (continuation)
• 2020-11-03: Bartosz Kamedulski, ε_ω order on natural
• 2020-10-27: Piotr Szuca, Equi-Baire one family of functions (continuation)
• 2020-10-20: Piotr Szuca, Equi-Baire one family of functions (continuation)
• 2020-10-06: Piotr Szuca, Equi-Baire one family of functions
• 2020-04-01: Dr. Bìngdú (Wuhan University), Cardinal  Operations Ranging Over Natural Alexandrov–Vinogradov Injective Relations Using Superposition
  
• 2020-03-10: Piotr Borodulin-Nadzieja (Wroclaw University), Analytic P-ideals and Banach spaces
• 2020-03-03: Nikodem Mrożek, Rotation-Symmetric Number-Conserving Cellular Automata
• 2020-02-25: Piotr Sworowski (Casimir the Great University in Bydgoszcz), On uniform limits of Baire**1 functions
• 2020-02-18: Krzysztof Kowitz, Arithmetic progressions in lacunary sets
• 2020-01-21: Krzysztof Kowitz, van der Waerden spaces and Hindman spaces are not the same
• 2020-01-14: Piotr Nowakowski (Łódź University of Technology), Microscopic sets among symmetric Cantor sets
• 2020-01-07: Jacek Tryba, Different kinds of density ideals

2019

• 2019-12-17: Stanisław Kowalczyk (Pomeranian University in Słupsk), On sets of points of quasicontinuity and porouscontinuity
• 2019-12-10: Piotr Szuca, ω-diagonalizability of F_σ filters (continuation)
• 2019-12-03: Franciszek Prus-Wiśniowski (University of Szczecin), The arithmetic sums of central Cantor sets
• 2019-11-26: Piotr Szuca, ω-diagonalizability of F_σ filters (continuation)
• 2019-11-19: Piotr Szuca, ω-diagonalizability of F_σ filters
• 2019-11-05: Adam Kwela, Generalized density ideals versus density-like ideals (continuation)
• 2019-10-29: Adam Kwela, Generalized density ideals versus density-like ideals
• 2019-10-22: Adam Ostaszewski (London School of Economics, UK), Multivariate regular variation and Popa homomorphisms
• 2019-10-15: Eliza Jabłońska (Pedagogical University of Cracow), Generically Haar-„small” sets in abelian Polish groups
• 2019-10-08: Arturo Martínez-Celis (Institute of Mathematics of the Polish Academy of Sciences), P⁺-filters of finite sets
• 2019-09-27: Ziemowit Kostana (University of Warsaw and Institute of Mathematics of the Czech Academy of Sciences), On big subgroups evading small sets
• 2019-06-04: Rafał Filipów, Ideals generated by families of sequences of natural numbers – topological complexity
• 2019-05-28: Adam Ostaszewski (London School of Economics, UK), The Steinhaus support: Beyond the confines of Haar and Cameron-Martin
• 2019-05-21: Jaroslav Šupina (Pavol Jozef Šafárik University in Košice, Slovakia), On ideal cardinal invariants and singular sets
• 2019-05-14: Michał Banakiewicz (West Pomeranian University of Technology, Szczecin), The set of subsums of the Guthrie-Nymann-Jones series
• 2019-05-07: Rafał Filipów, Ideals generated by families of sequences of natural numbers – basic properties
• 2019-04-25: Wojciech Wołoszyn (University of Oxford, UK), On the multiverse, potentialism, and implicit actualism
• 2019-04-16: Piotr Szuca, The structure of equicontinuous maps
• 2019-04-09: Tomasz Natkaniec, Different notions of Sierpiński-Zygmund functions (continuation)
• 2019-04-02: Tomasz Natkaniec, Different notions of Sierpiński-Zygmund functions
• 2019-03-26: Jacek Tryba, A proof of a sumset conjecture of Erdős
• 2019-03-19: Adam Kwela, Nonmeasurable subgroups of compact groups
• 2019-03-12: Bartosz Kamedulski, G-spaces, equivariant degree and its product property
• 2019-03-05: Andrzej Nowik, Ideals of nowhere dense sets in some topologies on positive integers (continuation)
• 2019-02-26: Andrzej Nowik, Ideals of nowhere dense sets in some topologies on positive integers
• 2019-02-21: Adam Ostaszewski (London School of Economics, UK), Kendall’s sequential characterization of regular variation: Category versus measure
• 2019-02-19: Piotr Sworowski (Casimir the Great University in Bydgoszcz), Comparison of some trigonometric integrals (continuation)
• 2019-01-22: Edward Grzegorek, On σ-algebras closed under Souslin’s operation and Stanisław Saks theorem
• 2019-01-15: Piotr Sworowski (Casimir the Great University in Bydgoszcz), Comparison of some trigonometric integrals

2018

• 2018-12-18: Gertruda Ivanova (Pomeranian University in Słupsk), Comparison of some families of real functions in porosity terms
• 2018-12-11: Jacek Tryba, A note on nonregular matrices and ideals associated with them
• 2018-12-04: Marcin Szyszkowski, Matrices of projections and their diagonals – how to connect them in measurable way
• 2018-11-27: A seminar dedicated to the 95^th birthday of Professor Lipiński
• 2018-11-20: Edward Grzegorek, On σ-algebras closed under Souslin’s operation
• 2018-11-13: Rafał Filipów, Abstract densities and ideals of sets
• 2018-11-06: Stanisław Kowalczyk (Pomeranian University in Słupsk), Multiplication in the space of functions of bounded variation (continuation)
• 2018-10-30: Stanisław Kowalczyk (Pomeranian University in Słupsk), Multiplication in the space of functions of bounded variation
• 2018-10-23: Adam Ostaszewski (London School of Economics, UK), Centenary of the Steinhaus(-Weil) Theorem: A sneak preview
• 2018-10-16: Adam Kwela, Marcin Staniszewski, Size of the set of attractors for iterated function systems (continuation)
• 2018-10-09: Adam Kwela, Marcin Staniszewski, Size of the set of attractors for iterated function systems
• 2018-06-19: Paweł Klinga, Attractors for iterated function systems form an F_σ set
• 2018-06-12: Adam Kwela, Haar-smallest sets (continuation)
• 2018-06-05: Adam Kwela, Haar-smallest sets
• 2018-05-29: Robert Rałowski (Wroclaw University of Science and Technology), Nonmeasurable sets and unions with respect to tree ideals
• 2018-05-22: Piotr Szuca, Attractors for iterated function schemes on [0,1]^N are exceptional (continuation)
• 2018-05-15: Marcin Staniszewski, Attractors for iterated function schemes on [0,1]^N are exceptional
• 2018-05-08: Wojciech Wołoszyn, Fusion-type forcings (continuation)
• 2018-04-24: Wojciech Wołoszyn, Fusion-type forcings
• 2018-04-17: Waldemar Sieg (Casimir the Great University in Bydgoszcz), Sets of convergence points of sequences of functions with a closed graph (continuation)
• 2018-04-10: Waldemar Sieg (Casimir the Great University in Bydgoszcz), Sets of convergence points of sequences of functions with a closed graph (continuation)
• 2018-03-27: Adam Ostaszewski (London School of Economics, UK), Some generalizations of Steinhaus theorem by Raikov and Świątkowski
• 2018-03-13: Waldemar Sieg (Casimir the Great University in Bydgoszcz), Sets of convergence points of sequences of functions with a closed graph
• 2018-03-06: Rafał Filipów, Intersections of matrix summability methods in the realm of bounded and unbounded sequences
• 2018-02-27: Rafał Filipów, Unions of matrix summability methods in the realm of bounded and unbounded sequences
• 2018-02-20: Tomasz Natkaniec, Convergent subsequences of a divergent sequence of functions
• 2018-01-23: Edward Grzegorek, On some old results of Karel Prikry about partitions into null sets
• 2018-01-16: Michał Popławski (Łódź University of Technology), Ideal convergence of subseries from the measure viewpoint
• 2018-01-09: Nikodem Mrożek, On ideal cluster points and ideal limit points

2017

• 2017-12-19: Edward Grzegorek, On two theorems of Sierpiński
• 2017-12-12: Adam Kwela, Ideal weak QN-spaces
• 2017-12-05: Szymon Żeberski (Wroclaw University of Science and Technology), On applications of Shoenfield absoluteness theorem
• 2017-11-28: Klaudiusz Czudek (Institute of Mathematics of the Polish Academy of Sciences) , Invariant measures for random interval homeomorphisms
• 2017-11-21: Jakub Jasiński (University of Scranton, USA), Fixed and periodic points of locally contracting maps
• 2017-11-14: Wojciech Wołoszyn, V = Ultimate L
• 2017-11-07: Piotr Szuca, On Darboux-Baire one composition problem
• 2017-10-24: Adam Ostaszewski (London School of Economics, UK), Additivity and subadditivity in the light of asymptotic group action
• 2017-10-17: Tomasz Natkaniec, Perfectly everywhere surjective but not Jones functions (continuation)
• 2017-10-10: Tomasz Natkaniec, Perfectly everywhere surjective but not Jones functions
• 2017-07-20: Wiesław Kubiś (Institute of Mathematics of the Czech Academy of Sciences and Cardinal Stefan Wyszyński University in Warsaw), Universal homogeneous probability measure on the Cantor set
• 2017-06-13: Pratulananda Das (Jadavpur University, India), Some remarks on open covers and selection principles using ideals
• 2017-06-06: Michał Małafiejski (Gdansk University of Technology), Generalization of Hales–Jewett theorem (continuation)
• 2017-05-23: Jacek Tryba, Dense difference sets and their combinatorial structure
• 2017-05-16: Jacek Tryba, Various problems on densities (continuation)
• 2017-05-09: Jacek Tryba, Various problems on densities
• 2017-04-25: Marek Balcerzak (Łódź University of Technology), Baire category of ideal convergent subseries and permutations
• 2017-04-11: Adam Ostaszewski (London School of Economics), Walk on the real line: stable distributions versus functional equations
• 2017-04-04: Michał Małafiejski (Gdansk University of Technology), Generalization of Hales–Jewett theorem (continuation)
• 2017-03-28: Michał Małafiejski (Gdansk University of Technology), Generalization of Hales–Jewett theorem
• 2017-03-21: Adam Kwela, Simple density ideals (continuation)
• 2017-03-14: Adam Kwela, Simple density ideals
• 2017-03-07: Jacek Tryba, Simple density ideals
• 2017-02-28: Tomasz Natkaniec, Pointwise limits of sequences of Świątkowski functions (continuation)
• 2017-02-21: Tomasz Natkaniec, Pointwise limits of sequences of Świątkowski functions (continuation)
• 2017-02-14: Adam Ostaszewski (London School of Economics, UK), Category-measure duality: convexity, mid-point convexity and Berz sublinearity
• 2017-01-24: Tomasz Natkaniec, Pointwise limits of sequences of Świątkowski functions
• 2017-01-17: Waldemar Sieg (Casimir the Great University in Bydgoszcz), P-spaces and an unconditional closed graph theorem (continuation)
• 2017-01-10: Waldemar Sieg (Casimir the Great University in Bydgoszcz), P-spaces and an unconditional closed graph theorem

2016

• 2016-12-20: Marta Frankowska, Symmetric density points in the Cantor set
• 2016-12-06: Piotr Szuca, On extensions of asymptotic density
• 2016-11-29: Jacek Tryba, On extensions of asymptotic density
• 2016-11-22: Nikodem Mrożek, Katětov and Katětov-Blass orders on F_σ-ideals
• 2016-11-15: Jacek Tryba, Ideal convergence versus matrix summability
• 2016-11-08: Rafał Filipów, Intersection of matrix summability methods (continuation)
• 2016-10-25: Adam Ostaszewski (London School of Economics, UK), On theorem of Effros about micro-transitive actions on Baire groups
• 2016-10-18: Rafał Filipów, Intersection of matrix summability methods (continuation)
• 2016-10-11: Rafał Filipów, Intersection of matrix summability methods
• 2016-06-14: Klaudiusz Czudek, Bernstein and Kantorovitch polynomials
• 2016-06-07: Marcin Szyszkowski, Separating sets with G_δ (and F_σ) sets
• 2016-05-31: Klaudiusz Czudek, Superposition operators in the space of functions of bounded variation
• 2016-05-24: Julia Wódka (Łódź University of Technology), Uniform limits of sequences of Świątkowski functions
• 2016-05-17: Nikodem Mrożek, Dominated Convergence and Egorov Theorems for Filter Convergence (continuation)
• 2016-05-10: Nikodem Mrożek, Dominated Convergence and Egorov Theorems for Filter Convergence
• 2016-04-26: Paulina Szczuka (Casimir the Great University in Bydgoszcz), Topological and algebraic properties of Darboux-like and pointwise discontinuous functions
• 2016-04-19: Jacek Tryba, Darboux property for weighted uniform densities (continuation)
• 2016-04-12: Jacek Tryba, Darboux property for weighted uniform densities
• 2016-04-05: Adam Ostaszewski (London School of Economics, UK), On the Steinhaus property
• 2016-03-22: Jacek Tryba, Ideal invariant injections
• 2016-03-15: Adam Kwela, Homogeneous and hereditarily homogeneous ideals
• 2016-03-08: Paulina Szczuka (Casimir the Great University in Bydgoszcz), Topologies on the integers generated by arithmetic progressions
• 2016-03-01: Adam Kwela, Ideal invariant injections with large sets of fixed points
• 2016-02-23: Klaudiusz Czudek, Generalized bounded variation
• 2016-02-16: Waldemar Sieg (Casimir the Great University in Bydgoszcz), Extensions of some Baire one functions (continuation)
• 2016-01-19: Waldemar Sieg (Casimir the Great University in Bydgoszcz), Extensions of some Baire one functions
• 2016-01-12: Marcin Staniszewski, Quasi-normal convergence of sequences of quasi-continuous functions (continuation)
• 2016-01-05: Marcin Staniszewski, Quasi-normal convergence of sequences of quasi-continuous functions (continuation)

2015

• 2015-12-15: Marcin Staniszewski, Quasi-normal convergence of sequences of quasi-continuous functions (continuation)
• 2015-12-08: Marcin Staniszewski, Quasi-normal convergence of sequences of quasi-continuous functions (continuation)
• 2015-12-01: Marcin Staniszewski, Quasi-normal convergence of sequences of quasi-continuous functions (continuation)
• 2015-11-24: Marcin Staniszewski, Quasi-normal convergence of sequences of quasi-continuous functions
• 2015-11-17: Rafał Filipów, Two ideals not fulfilling Fatou’s lemma: Solecki’s ideal and finite coloring ideal
• 2015-11-10: Marcin Staniszewski, Quasi-normal convergence of sequences of continuous functions (continuation)
• 2015-11-03: Marcin Staniszewski, Quasi-normal convergence of sequences of continuous functions
• 2015-10-27: Adam Ostaszewski (London School of Economics, UK), The sound of silence: filtering and optimal censorship in the market (Krzyk ciszy: filtrowanie i optymalna cenzura w rynkach finansowych)
• 2015-10-20: Jacek Tryba, A matrix characterization of statistical convergence (Mazur’s problem from The Scottish Book)
• 2015-10-13: Jacek Tryba, On modified Olivier’s theorem for some idelas
• 2015-10-05: Szymon Głąb (Politechnika Łódźka), Duże wolne podgrupy grup automorfizmów przestrzeni ultrahomogenicznych
• 2015-06-09: Marcin Staniszewski, O zbieżności ideałowej (kontynuacja)
• 2015-06-09: Jacek Tryba, O pewnym rodzaju zbieżności ciągów zdefiniowanym przy pomocy f-gęstości
• 2015-06-02: Marcin Staniszewski, O zbieżności ideałowej (kontynuacja)
• 2015-05-26: Adam Ostaszewski (London School of Economics, UK), Homeomorphisms from functional equations in probability
• 2015-05-19: Marcin Staniszewski, O zbieżności ideałowej (kontynuacja)
• 2015-05-12: Marcin Staniszewski, O zbieżności ideałowej
• 2015-05-05: Adam Kwela, O addytywności zbiorów mikroskopijnych (kontynuacja)
• 2015-04-28: Adam Kwela, O addytywności zbiorów mikroskopijnych
• 2015-04-21: Piotr Szuca, Uogólnienie gęstości asymptotycznej (kontynuacja)
• 2015-04-14: Piotr Szuca, Uogólnienie gęstości asymptotycznej (kontynuacja)
• 2015-03-31: Piotr Szuca, Uogólnienie gęstości asymptotycznej
• 2015-03-24: Paweł Klinga, Ideałowa wersja twierdzenia Riemanna
• 2015-03-17: Jacek Tryba, Ideałowa zbieżność szeregów liczbowych (kontynuacja)
• 2015-03-10: Jacek Tryba, Ideałowa zbieżność szeregów liczbowych
• 2015-03-03: Paweł Barbarski, Zrandomizowane twierdzenie Szarkowskiego (kontynuacja)
• 2015-02-24: Paweł Barbarski, Zrandomizowane twierdzenie Szarkowskiego (kontynuacja)
• 2015-01-27: Paweł Barbarski, Zrandomizowane twierdzenie Szarkowskiego (kontynuacja)
• 2015-01-20: Paweł Barbarski, Zrandomizowane twierdzenie Szarkowskiego
• 2015-01-13: Adam Kwela, Zbiory mikroskopijne (kontynuacja)

2014

• 2014-12-16: Adam Kwela, Zbiory mikroskopijne
• 2014-12-09: Nikodem Mrożek, Zbiory mikroskopijne
• 2014-12-02: Paweł Klinga, Funkcje osiowe i ideały na ℕ II
• 2014-11-25: Waldemar Sieg (Uniwersytet Kazimierza Wielkiego w Bydgoszczy), Rozkłady i przedłużenia pewnych funkcji pierwszej klasy Baire’a
• 2014-11-18: Rafał Filipów, Zbieżność quasi-normalna i punktowa ciągów funkcyjnych II (kontynuacja)
• 2014-11-04: Rafał Filipów, Zbieżność quasi-normalna i punktowa ciągów funkcyjnych II (kontynuacja)
• 2014-10-28: Rafał Filipów, Zbieżność quasi-normalna i punktowa ciągów funkcyjnych II
• 2014-10-21: Adam Kwela, Selektywność ideałów, a ich gęstość (kontynuacja)
• 2014-10-14: Adam Kwela, Selektywność ideałów, a ich gęstość
• 2014-05-27: Rafał Filipów, Zbieżność quasi-normalna i punktowa ciągów funkcyjnych
• 2014-05-20: Jacek Tryba, Zbieżność w przestrzeniach Hindmana i van der Waerdena (kontynuacja)
• 2014-05-13: Jacek Tryba, Zbieżność w przestrzeniach Hindmana i van der Waerdena
• 2014-05-06: Rafał Filipów, Granice Banacha i granice statystyczne
• 2014-04-29: Paweł Klinga, Funkcje osiowe i ideały na ℕ
• 2014-04-15: Adam Kwela, Przykład ideału typu F_σ (kontynuacja)
• 2014-04-08: Adam Kwela, Przykład ideału typu F_σ (kontynuacja)
• 2014-04-01: Adam Kwela, Przykład ideału typu F_σ
• 2014-03-18: Piotr Szuca, A-statistical cluster points in finite dimensional spaces and application to turnpike theorem (kontynuacja)
• 2014-02-25: Paweł Barbarski, Pierścienie funkcji Szarkowskiego (kontynuacja)
• 2014-02-18: Paweł Barbarski, Pierścienie funkcji Szarkowskiego
• 2014-01-21: Piotr Szuca,  A-statistical cluster points in finite dimensional spaces and application to turnpike theorem (kontynuacja)
• 2014-01-14: Piotr Szuca,  A-statistical cluster points in finite dimensional spaces and application to turnpike theorem
• 2014-01-07: Marcin Staniszewski, Zbieżność punktowa, dyskretna i quasi-normalna ciągów funkcji quasi ciągłych (kontynuacja)

2013

• 2013-12-17: Marcin Staniszewski, Zbieżność punktowa, dyskretna i quasi-normalna ciągów funkcji quasi ciągłych