- Dynamical Systems and Applications VI, DSA 2024, 26–28 June, 2024, Lodz, Poland,
 wykład sesyjny: Boundary value problems with non-local conditions
. 
 - Inspirations in Real Analysis II, 14-19 April, 2024, Bedlewo, Poland,
 komunikat: Integral and superposition operators in BV-type spaces: properties, behaviour, and challenges. 
 - Mini-courses in Mathematical Analysis 2023, June 19-23, 2023, Padova, Italy,
 komunikat: Compactness in Lipschitz spaces and around. 
 - Wandering Seminar: A conference on Ergodic Theory and Dynamical Systems, February 27 - March 1, 2020, Gdańsk, Poland.
 
 - Banach Spaces and Operator Theory with Applications, July 3-7, 2017, Poznań, Poland,
     komunikat: On continuity and compactness of some nonlinear operators in BV-spaces. 
 - VII Symposium on Nonlinear Analysis, 14-18 września 2015, Toruń,
     wykład sesyjny: Nonlinear superposition operators in BV-spaces. 
-  International Conference on Nonlinear Operators, Differential Equations and Applications, July 14-17, 2015,  Cluj-Napoca,  Romania,
     komunikat: On integrate-and-fire models with almost periodic forcing term. 
-  Między teorią a zastosowaniami - matematyka w działaniu, Będlewo, 25-30 maja 2015
     komunikat: Prawieokresowość w modelach typu integrate-and-fire. 
-  Joint Meeting of the German Mathematical Society (DMV) and the Polish Mathematical Society (PTM), September 17–20, 2014, Poznań, Poland.
 
-  Między teorią a zastosowaniami - matematyka w działaniu, Będlewo, 25-30 sierpnia 2014,
     komunikat: Pewne zastosowania fizyczne funkcji o ograniczonej wariacji. 
-  The 10th AIMS Conference on Dynamical Systems, Differential Equations and Applications, July 7-11, 2014, Madrid, Spain,
     komunikat: On certain classes of (not necessarily bounded) almost periodic functions with applications. 
-  5th Conference on Non-integer Order Calculus and its Applications, July 4–5, 2013, Kraków, Poland.
 
-  Symposium in Real Analysis XXXVII, June 3-6, 2013, Sao Carlos, Brazil,
     komunikat: On a generalization of the classical concept of bounded variation with applications. 
-  The 10th International Conference on Fixed Point Theory and its Applications, July 9-15, 2012, Cluj-Napoca, Romania,
     komunikat: On Leggett-Williams type theorems for nonlinear operators defined in cones with applications to nonlinear equations. 
-  6th European Congress of Mathematics, July 6-7, 2012, Kraków, Poland.
 
-  Functional Analysis: Applications to Complex Analysis and Partial Differential Equations, May 6-12, 2012, Będlowo, Poland,
     komunikat: On the existence of positive eigenvalues of some nonlinear operators with applications. 
-  VI Sympozjum Analizy Nieliniowej, 7-9 września 2011, Toruń,
     komunikat: Nieliniowe równania całkowe w przestrzeniach funkcji o ograniczonej wariacji. Metoda odwzorowań wyższego rzędu (wspólny z Dariuszem Bugajewskim).
 -  International Conference on Nonlinear Operators, Differential Equations and Applications, July 5-8, 2011, Cluj-Napoca, Romania,
     komunikat: On Lovelady type fixed point theorem and mappings of higher order with applications to nonlinear equations. 
-  The Józef Marcinkiewicz Centenary Conference JM100, June 28 - July 2, 2010, Poznań, Poland,
     komunikat: On the mappings of higher order (wspólny z Dariuszem Bugajewskim). 
-  8th AIMS International Conference on Dynamical Systems, Differential Equations and Applications, May 25-28, 2010, Dresden, Germany,
     komunikat: On mappings of higher order and their applications to non-linear differential and integral equations. 
-  Conformal Structures and Dynamics Summer School: Analysis on Metric Spaces and Quasiconformal Structures, September 14-19, 2009, IM PAN.
 
-  Function Spaces IX, 6-10 lipca 2009, Kraków,
     komunikat: On the topological structure of solutions sets to certain fractional differential equations (wspólny z Darią Bugajewską). 
-  Zimowa Szkoła "Metody Topologiczne w Analizie Nieliniowej", 9-13 lutego 2009, Toruń, UMK.
 
-  The 6th International Conference On Differential Equations and Dynamical Systems, May 22-26, 2008, Baltimore, USA,
      komunikat:  On new fixed point theorems in topological spaces (wspólny z Dariuszem Bugajewskim). 
-  Sesja naukowa "Trendy matematyki. Medale Fieldsa 2006" organizowana przez Polskie Towarzystwo Matematyczne oraz Centrum im.
  Stefana Banacha IM PAN, 16-17 grudnia 2007, Będlewo.
-  I Studenckie Sympozjum Naukowe Elektrodynamika, Politechnika Opolska, 11-12 maja 2007, Opole,
     komunikat: O równaniach różniczkowych zwyczajnych w przestrzeniach Banacha.