Seminar talks of Rafał Filipów

Invited seminar talks

1. 2022 - Set Theory Seminar, Wroclaw University of Science and Technology and University of Wroclaw, Poland — Talk: Does there exist a Hindman space which is not a van der Waerden space?

2. 2021 - Set Theory Seminar, Pavol Jozef Safarik University in Kosice, Slovakia — Talk: Yet another ideal version of the bounding number

3. 2021 - Topology and Set Theory Seminar, University of Warsaw, Poland — Talk: If I were a rich density

4. 2020 - Seminarium z Równań i Nierówności Funkcyjnych, Uniwersytet Pedagogiczny w Krakowie, Poland — Talk: Gęstości zbiorów liczb naturalnych znikające na ustalonej rodzinie

5. 2018 - Set Theory Seminar, University of Warsaw, Poland — Talk: Ideal convergence versus matrix summability

6. 2017 - Seminarium z Analizy Rzeczywistej, Politechnika Łódzka, Poland — Talk: Ideal convergence versus matrix summability

7. 2015 - Set Theory Seminar, University of Warsaw, Poland — Talk: A critical ideal with respect to Mazurkiewicz's theorem in terms of the Katetov order

8. 2014 - Set Theory Seminar, University of Warsaw, Poland — Talk: Yet another ideal version of the bounding number 𝕓

9. 2013 - Set Theory Seminar, University of Warsaw, Poland — Talk: Cardinal invariants in quotients Boolean algebras P(N)/I over Borel ideals I

10. 2013 - Seminarium z Analizy Rzeczywistej, Politechnika Łódzka, Poland — Talk: Ideal convergence of bounded sequences

11. 2008 - Logic and Set Theoretic Topology Seminar, Ben-Gurion University of the Negev, Israel — Talk: Ideal versions of Ramsey's theorem

12. 2008 - Logic and Set Theoretic Topology Seminar, Ben-Gurion University of the Negev, Israel — Talk: Splitting families of quotients Boolean algebras

13. 2007 - Logic and Set Theoretic Topology Seminar, Ben-Gurion University of the Negev, Israel — Talk: Extending analytic P-ideals to maximal P-ideals (part 2)

14. 2007 - Logic and Set Theoretic Topology Seminar, Ben-Gurion University of the Negev, Israel — Talk: Extending analytic P-ideals to maximal P-ideals (part 1)

15. 2007 - Set Theory Seminar, University of Warsaw, Poland — Talk: Ideal version of Ramsey's theorem

16. 2004 - Seminarium z Analizy Rzeczywistej, Politechnika Łódzka, Poland — Talk: The difference property in the sense of de Bruijn for families of measurable functions

17. 2004 - Set Theory Seminar, University of Warsaw, Poland — Talk: On dense sets of additive functions

18. 2004 - Seminarium z równań funkcyjnych, Uniwersytet Śląski w Katowicach , Poland — Talk: Własność różnicy dla funkcji z własnością Baire'a. Sumy algebraiczne zbiorów (s)-mierzalnych

19. 2004 - Seminarium z równań funkcyjnych, Uniwersytet Śląski w Katowicach, Poland — Talk: Własność różnicy dla funkcji borelowskich i (s)-mierzalnych

20. 2003 - Set Theory Seminar, University of Warsaw, Poland — Talk: There is an (s)-measurable but discontinuous additive function (part 2)

21. 2003 - Set Theory Seminar, University of Warsaw, Poland — Talk: There is an (s)-measurable but discontinuous additive function (part 1)

22. 2001 - Set Theory Seminar, University of Warsaw, Poland — Talk: The difference property in the sense of de Bruijn for families of Baire measurable functions (part 2)

23. 2001 - Set Theory Seminar, University of Warsaw, Poland — Talk: The difference property in the sense of de Bruijn for families of Baire measurable functions (part 1)

Talks at the local seminar in Gdańsk

1. 2024 - The Borel complexity of sets of ideal limit points of sequences in Polish spaces (part 4)

2. 2024 - The Borel complexity of sets of ideal limit points of sequences in Polish spaces (part 3)

3. 2024 - The Borel complexity of sets of ideal limit points of sequences in Polish spaces (part 2)

4. 2024 - The Borel complexity of sets of ideal limit points of sequences in Polish spaces (part 1)

5. 2023 - Two 𝕓 or not two 𝕓? (part 2)

6. 2023 - Two 𝕓 or not two 𝕓? (part 1)

7. 2022 - Characterizing existence of certain ultrafilters (part 3)

8. 2022 - Characterizing existence of certain ultrafilters (part 2)

9. 2022 - Characterizing existence of certain ultrafilters (part 1)

10. 2021 - Yet another ideal version of the bounding number (part 2)

11. 2021 - Yet another ideal version of the bounding number (part 1)

12. 2021 - The Katětov order structure of ideals in-between ideals ED and FIN x FIN (part 3)

13. 2021 - The Katětov order structure of ideals in-between ideals ED and FIN x FIN (part 2)

14. 2021 - The Katětov order structure of ideals in-between ideals ED and FIN x FIN (part 1)

15. 2021 - The cardinal characteristics of ideals in-between ideals ED and FIN x FIN

16. 2019 - Ideals generated by families of seq. of natural numbers – topological complexity

17. 2019 - Ideals generated by families of seq. of natural numbers – basic properties

18. 2018 - Abstract densities and ideals of sets

19. 2018 - Intersections of matrix summability methods in the realm of (un)bounded sequences

20. 2018 - Unions of matrix summability methods in the realm of (un)bounded sequences

21. 2016 - Intersection of matrix summability methods (part 3)

22. 2016 - Intersection of matrix summability methods (part 2)

23. 2016 - Intersection of matrix summability methods (part 1)

24. 2015 - Two ideals not fulfilling Fatou’s lemma: Solecki’s ideal and finite coloring ideal

25. 2014 - Quasi-normal and pointwise convergence of sequences of functions (part 3)

26. 2014 - Quasi-normal and pointwise convergence of sequences of functions (part 2)

27. 2014 - Quasi-normal and pointwise convergence of sequences of functions (part 1)

28. 2014 - Banach and statistical limits

29. 2013 - Ideal equal convergence of sequences of functions

30. 2013 - Cardinal invariants in quotients Boolean algebras P(N)/I over Borel ideals I (part 4)

31. 2013 - Cardinal invariants in quotients Boolean algebras P(N)/I over Borel ideals I (part 3)

32. 2013 - Cardinal invariants in quotients Boolean algebras P(N)/I over Borel ideals I (part 2)

33. 2013 - Cardinal invariants in quotients Boolean algebras P(N)/I over Borel ideals I (part 1)

34. 2012 - Applications of cardinal invariants to ideal convergence of sequences of functions

35. 2012 - Ideal equal convergence of sequences of functions (part 2)

36. 2012 - Ideal equal convergence of sequences of functions (part 1)

37. 2012 - Algebraic sums of Borel sets

38. 2011, Characterization of ultrafilters by Borel ideals and Katetov order (part 2)

39. 2011 - Characterization of ultrafilters by Borel ideals and Katetov order (part 1)

40. 2011 - Ramsey property of ideals on N

41. 2010 - Ideal equal convergence of sequences of continuous functions (part 2)

42. 2010 - Ideal equal convergence of sequences of continuous functions (part 1)

43. 2009 - Two examples of submeasures on N

44. 2008 - Hindman space versus Bolzano-Weierstrass property (part 2)

45. 2008 - Hindman space versus Bolzano-Weierstrass property (part 1)

46. 2007 - Ideal version of Ramsey's theorem (part 2)

47. 2007 - Ideal version of Ramsey's theorem (part 1)

48. 2006 - On two Fσδ ideals

49. 2006 - How many Boolean algebrs P(N)/I are there?

50. 2006 - Isomorphisms of Boolean algebrs P(N)/I and ideal convergence

51. 2006 - Hindman spaces (part 2)

52. 2006 - Hindman spaces (part 1)

53. 2005 - Ramsey property in Polish spaces

54. 2005 - Ideal convergence of sequences of reals. Bolzano-Weierstrass property of Fσ idelas

55. 2004 - Algebraic sums of (s)-measurables sets

56. 2004 - On dense sets of additive functions

57. 2003 - The difference property for families of Baire measurable functions.

58. 2000 - On the difference property in the sense of de Bruijn

59. 1999 - One old problem, one new, and their equivalence

60. 1999 - Vitali sets and Hamel bases that are Marczewski measurable

61. 1998 - Towers are universally measure zero and always of first category