- Summer Symposium in Real Analysis XXXV, Budapest (Hungary), Jun 5 - 11, 2011, talk: When is a family of generalized means a scale?.
- 15th International Conference on Functional Equations and Inequalities, Ustroń (Poland), May 19 - 25, 2013, talk: Arrow-Pratt index is instrumental in estimating dierences among quasi-arithmetic means.
- Norwegian Summer School on Geometry and Analysis, Bergen (Norway), Jun 24 - 28, 2013.
- Conference on Ulam's Type Stability, Rytro (Poland), Jun 2 - 6, 2014, talk: On negative results concerning Hardy means.
- 20th European Conference on Iteration Theory, Łagów (Poland), Sep 14 - 20, 2014, talk: Scales of quasi-arithmetic means determined by invariance properties.
- 16th International Conference on Functional Equations and Inequalities, Będlewo (Poland), May 17 - 23, 2015, talk: Limit properties in a family of quasi-arithmetic means.
- 53rd International Symposium on Functional Equations, Krynica-Zdrój (Poland), Jun 14 - 21, 2015, talk: Iterated quasi-arithmetic mean-type mappings.
- Mathematical inequalities and application 2015, Mostar (Bosnia and Herzegovina), Nov 11 - 15, 2015, talk: Iterated Quasi-Arithmetic Mean-Type Mappings.
- 54th International Symposium on Functional Equations, Hajdúszoboszló (Hungary), Jun 12 - 19, 2016, talk: Estimating the distance among quasi-arithmetic means: the journey so far.
- Conference on Ulam's Type Stability, Cluj-Napoca (Romania), Jul 4 - 9, 2016, talk: Lower estimation of the difference among quasi-arithmetic means.
- Conference on Inequalities and Applications 2016, Hajduszoboszló (Hungary), Aug 28 - Sep 3, 2016, talk: Hardy property among invariant means.
- 55th International Symposium on Functional Equations, Chengdu (China), Jun 11 - 18, 2017, talk: Weighted Kedlaya inequality.
- 17th International Conference on Functional Equations and Inequalities, Będlewo (Poland), Jul 9 - 15, 2017, talk: Weighted Kedlaya inequality.
- 56th International Symposium on Functional Equations, Graz-Mariatrost (Austria), Jun 17 - 24, 2018, talk: On Hardy type inequalities for weighted means.
- Function Spaces XII, Kraków (Poland), Jul 9 - 14, 2018, talk: On Hardy type inequalities for weighted means.
- Numbers, Functions, Equations 2018, Hajdúszoboszló (Hungary), Aug 26 - Sep 1, 2018, talk: Jensen-type geometric shapes.
- Conference on Ulam's Type Stability, Timișoara (Romania), Oct 8 - 13, 2018, talk: On the quasi-arithmetic Gauss-type iteration.
- 57th International Symposium on Functional Equations, Jastarnia (Poland), Jun 2 - 9, 2019, talk: Invariance property for discontinuous means.
- 18th International Conference on Functional Equations and Inequalities, Będlewo (Poland), Jun 9 - 15, 2019, talk: Weakening of Hardy property for means.
- Dynamics, Equations and Applications 2019, Kraków (Poland), Sep 16 - 20, 2019, talk: Quasi-arithmetic Gauss-type iteration.
- 19th International Conference on Functional Equations and Inequalities, Będlewo (Poland), Sep 12 - 18, 2021, talk: On the Riemannian approach to integral means.
- The 21st Katowice-Debrecen Winter Seminar on Functional Equations and Inequalities, Brenna (Poland), Feb 2 - 5, 2022, talk: Decision making via generalized Bajraktarević means.
- 58th International Symposium on Functional Equations, Innsbruck (Austria), Jun 19 - 26, 2022, talk: The ultimate characterization of the Jensen convexity of quasiarithmetic means.
- 59th International Symposium on Functional Equations, Hajdúszoboszló (Hungary), Jun 18 - 25, 2023, talk: Decision making via generalized Bajraktarević means.
- 20th International Conference on Functional Equations and Inequalities, Będlewo (Poland), Sep 17 - 23, 2023, talk: Invariance property for extended means.
- The 23rd Katowice-Debrecen Winter Seminar on Functional Equations and Inequalities, Brenna (Poland), Jan 31 - Feb 3, 2024, talk: Multivariable generalizations of bivariate means via invariance.
- 24th European Conference on Iteration Theory, Vimeiro (Portugal), May 27 - 31, 2024, talk: Extension theorem for simultaneous q-difference equations and some its consequences.
- 60th International Symposium on Functional Equations, Kościelisko (Poland), Jun 9 - 15, 2024, talk: Equality and comparison of generalized quasiarithmetic means.
- IX Hurwicz Workshop on Mechanism Design Theory, Warsaw (Poland), Dec 5 - 7, 2024, talk: Spreading information on networks with Markov chains applications.
- Aczél 100, Hajdúszoboszló (Hungary), Feb 2 - 7, 2025, talk: Equality and comparison of generalized quasiarithmetic means.