[1] E. Gselmann, A fraktál–dimenzió, A Debreceni Egyetem Tehetséggondozó Programjának II. Konferenciája, Debrecen, 2006.
[2] E. Gselmann, Dimensions of Cantor–type sets, 7th Katowice–Debrecen Winter Seminar on Functional Equations and Inequalities, B¸edlewo, Poland, 2007.
[3] E. Gselmann, On Cantor–type sets, International Students’ Conference on Analysis, Szczyrk, Poland, 2007.
[4] E. Gselmann, Cantor–típusú halmazok dimenziói, Országos Tudományos Diákköri Konferencia,Szeged, 2007.
[5] E. Gselmann, Stability type results concerning the fundamental equation of information of multiplicative type, 8th Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities, Poroszló, 2008.
[6] E. Gselmann, General and continuous solutions of the entropy equation, International Students’ Conference on Analysis, Zamárdi, 2008.
[7] E. Gselmann, On the general and regular solutions of the modified entropy equation, Workshop on Functional Equation, Inequalities and Applications dedicated to the 60th birthday of Professor Gyula Maksa, Debrecen, 2008.
[8] E. Gselmann, Stability of the entropy equation, Numbers, Functions and Equations ’08, Noszvaj, 2008.
[9] E. Gselmann, A paraméteres információalapegyenlet stabilitásáról, Debreceni Egyetem, Matematikai Intézet Intézeti Szemináriuma, Debrecen, 2008.
[10] E. Gselmann, Stability problems in the theory of information, Workshop on functional equations, Universität Bonn, Hausdorff Research Institute for Mathematics, Bonn, Germany, 2008.
[11] E. Gselmann, On the stability of the modified entropy equation, 9th Katowice–Debrecen Winter Seminar on Functional Equations and Inequalities, B¸edlewo, Poland, 2009.
[12] E. Gselmann, The Shannon field of non-negative information functions, International Students’ Conference on Analysis, Szare, Poland, 2009.
[13] E. Gselmann, Nemnegativitási problémák az információelméletben, Miskolci Egyetem, Matematikai Intézet Intézeti Szemináriuma, Miskolc, 2009.
[14] E. Gselmann, Derivációk stabilitása, Debreceni Egyetem Matematikai Intézet Analízis Tanszékének Szemináriuma, Síkfokút, 2009.
[15] E. Gselmann, On the stability of derivations, The 13th International Conference on Functional Equations and Inequalities, Małe Ciche, Poland, 2009.
[16] E. Gselmann, Néhány információelméleti probléma, A Magyar Tudomány Napja, Tudomány, Innováció, Tehetség, Debrecen, 2009.
[17] E. Gselmann, Inequalities for additive functions, International Students’ Conference on Analysis, Síkfokút, 2010.
[18] E. Gselmann, Characterization of the relative entropies, 10th Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities, Zamárdi, 2010.
[19] E. Gselmann, On the characterization of derivations via a single equation, The 48th International Symposium on Functional Equations, Batz–sur–Mer, France, 2010.
[20] E. Gselmann, Approximate n–Jordan homomorphisms, Conference on Inequalities and Applications ’10, Hajdúszoboszló, 2010.
[21] E. Gselmann, Approximate f–homomorphisms and f–derivations, The Eleventh Katowice–Debrecen Winter Seminar on Functional Equations and Inequalities, Wisla–Malinka, Poland, 2011.
[22] E. Gselmann, A Benz–probléma szuperellipszisekre, Losonczi László 70. születésnapjának alkalmából rendezett konferencia, Debrecen, 2011.
[23] E. Gselmann, Derivations and linear functions along rational fractions, The 49th International Symposium on Functional Equations, Graz, Austria, 2011.[24] E. Gselmann, On the discrete version of some elliptic partial differential equations, The 12th Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities, Hajdúszoboszló, 2012.
[25] E. Gselmann, Partial difference equations through spectral synthesis, International Conference on Mathematical Inequalities and Nonlinear Functional Analysis with Applications, Jinju, Korea, 2012.
[26] E.Gselmann, On a generalization of a functional equation considered by C. Alsina and J. L. Garcia-Roig, The 50th International Symposium on Functional Equations, Hajdúszoboszló, Hungary, 2012.
[27] E. Gselmann, On some classes of partial difference equations, The 13th Katowice-Debrecen Winter Seminar on Functional Equations and Inequalities, Zakopane, Poland, 2013.
[28] E. Gselmann, A Lukács-tétel szimmetrikus kúpokon, FIFA Debrecen, 2013.
[29] E. Gselmann, The Lukács theorem on symmetric cones, The 51th International Symposium on Functional Equations, Rzeszów, Poland, 2013.
[30] E. Gselmann, On some classes of partial difference equations, Numbers, Functions, Equations '13, Visegrád, 2013.
[31] E. Gselmann, Approximate derivations of order $n$, Debrecen--Katowice Winter Seminar on Functional Equations and Inequalities,Hajdúszoboszló, January 29 -- February 1, 2014.
[31] E. Gselmann, Characterization of derivations through their action on certain elementary functions, Conference on Ulam's Type Stability, Rytro, Poland, June 2 - 6, 2014.
[32] E. Gselmann, The global version of the rectification theorem, The Second Summer BIOMICS Workshop, St Andrews, Scotland, June 18 - 20, 2014.
[33] E. Gselmann, Additive solvability and linear independence of the solutions of a system of functional equations, The 52nd International Symposium on Functional Equations, Innsbruck, Austria, June 22-29, 2014.
[34] E. Gselmann, On the discrete version of the wave equation, Conference on Inequalities and Applications '14, Hajdúszoboszló, September 7--13, 2014
[35] E. Gselmann, The Lie symmetry group of first order ODEs and the rectification theorem, 17th Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities, Zakopane, Poland, February 1 -- February 4, 2017.
[36] E. Gselmann, The discrete mean value property and harmonic polynomials, XXXI International Summer Conference on Real Functions Theory, Ustka, Poland, September 10 -- 15, 2017.
[37] E. Gselmann, Pexiderized functional equations with and without spectral methods, 18th Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities, Hajdúszoboszló, January 31 – February 3, 2018.
[38] E. Gselmann, Characterization of field homomorphisms through Pexiderized functional equations, Dynamical Systems, Difference and Functional Equations, In honor of Marek C. Zdun's 70th birthday, Krynica-Zdrój, Poland, June 4-8, 2018.
[39] E. Gselmann, On a class of linear functional equations without the range condition, 17th Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities, Zakopane, Poland, January 30-- February 2, 2019.
[40] E. Gselmann, Polynomial solutions of functional equations with and without spectral methods, The 57th International Symposium on Functional Equations, Jastarnia, Poland, June 2 – 9, 2019.