1. On a problem of P. Turán, Number Theory Conference, Eger 1996.
  2. On power values of polynomials, 13th Czech  and Slovak International Number Theory Conference, Ostravice 1997.
  3. Diszkrimináns forma egyenletek megoldásszámára vonatkozó becslések, Magyar Matematikus Doktoranduszok Konferenciája, Szeged 1998.
  4. On index form equations, 14th Czech and Slovak International Number Theory Conference, Liptovsky Jan 1999.
  5. On the number of solutions of norm form equations, Colloquium on Number Theory, Debrecen 2000.
  6. On the number of pairs of polynomials with given resultant, 15th Czech  and Slovak International Number Theory Conference, Ostravice 2001.
  7. Széteső polinom egyenletek megoldásszámáról, Kiss Péter Emlékkonferencia, Eger, 2002.
  8. On the number of solutions of decomposable polynomial equations, Problèmes Diophantiens, CIRM, Marseille 2002.
  9. Methods for the calculation of values of a norm form, Számelmélet Nap (OTKA-NWO pályázat keretében leideni és debreceni kutatók részvételével megrendezett egynapos előadássorozat), Debrecen 2003.
  10. An application of norm forms in cryptography, Computational Number Theory and Cryptography, in Honour of the 60th Birthday of Professor Hugh C. Williams, Warsaw 2003.
  11. On the number of equivalence classes of binary forms with given degree and given discriminant, Workshop on Diophantine Approximation (dedicated to 60th birthday of Prof. Robert Tijdeman), Leiden 2003.
  12. A one way function based on norm form equations, Journées Arithmétiques XXIII, Graz 2003.
  13. On the number of equivalence classes of binary forms with given degree and given discriminant, Number Theory Seminar, University of Bordeaux, 2004.
  14. On the number of equivalence classes of binary forms with given degree and given discriminant, Number Theory Seminar, Jussieu, Chevaleret, 2004.
  15. On special solutions of norm form equations, Workshop on Algebraic Number Theory, Explicit Methods in Number Theory, Institut Henri Poincaré, Párizs, 2004.
  16. Norma forma egyenletek speciális megoldásairól, Kriptográfia és Számelmélet Nap, Nyíregyháza, 2005.
  17. On sumsets of geometric progressions, Journées Arithmétiques XXIV, Marseille, 2005.
  18. Norm form equations with solutions forming arithmetic progressions, 17th Czech  and Slovak International Number Theory Conference, Malenovice 2005.
  19. On arithmetic properties of solutions of norm form equations, Workshop on Solvability of Diophantine Equations, Leiden University, Lorentz Center, 2007.
  20. On pairs of binary forms with given degree and given resultant, Journées Arithmétiques XXV, Edinbourgh, 2007.
  21. On pairs of binary forms with given degree and given resultant, 18th Czech  and Slovak International Number Theory Conference, Smolenice, 2007.
  22. On the number of equivalence classes of pairs of binary forms with given degree and given resultant, Intercity Seminar, Uetrecht, 2007.
  23. Effective results for points on certain subvarieties of tori, The 7th Polish, Slovak and Czech Conference on Number Theory, Ostravice, 2008.
  24. Effective results for points on certain subvarieties of tori, Winter School on Explicit Methods in Number Theory, Debrecen, Hungary, 2009.
  25. Effective results for points on certain subvarieties of tori, Department of Mathematics, Nihon University, Tokyo, 2009.
  26. Effective results for linear equations in two unknowns from a multiplicative division group. Department of Mathematics, Niigata University, Niigata, 2009.
  27. Effective results for a large class of diophantine equations, Kyoto Sangyo University, Kyoto, 2009.
  28. Effective results for points on certain subvarieties of tori, Journées Arithmétiques XXVI, Saint-Etienne, 2009.
  29. Effective results for a large class of diophantine equations, First Algebra and Number Theory Conference, Ixtapa, Mexico, 2009.
  30. Effective results for linear equations in two unknowns from a multiplicative division group, 19th Czech and Slovak International Number Theory Conference, Hradec nad Moravicii, 2009.
  31. Effective results for points on certain subvarieties of tori, Institute of Mathematics, TU Berlin, 2009.
  32. Effective results for some equations with unknowns from a multiplicative division group, The 8th Polish, Slovak and Czech Conference on Number Theory, Bukowina Tatrzanska, 2010.
  33. Effective results for points on certain subvarieties of tori, Canadian Number Theory Association Meeting, Acadia University, Wolfville, Canada, 2010.
  34. Arithmetic progressions in the solution set of diophantine equations, Number Theory and its Applications: An International Conference Dedicated to Kálmán Győry, Attila Pethő, János Pintz, András Sárközy, Debrecen, Hungary, 2010.
  35. On resultant equations equations, Number Theory and its Applications: An International Conference Dedicated to Kálmán Győry, Attila Pethő, János Pintz, András Sárközy, Debrecen, Hungary, 2010.
  36. Effective finiteness results for subvarieties of tori, Department of Mathematics, University of Zagreb, 2011.
  37. Multiply monogenic orders, XXV Journés Arithmetiques, Vilnius, Lithuania, 2011.
  38. Multiply monogenic orders, Paul Turán Memorial Conference on Mathematics, Budapest, 2011.
  39. Multiply monogenic orders, 20th Czech and Slovak International Number Theory Conference, Stará Lesná, Slovakia, 2011.
  40. Arithmetic and geometric progressions in the solution set of diophantine equations, Fifteenth International Conference on Fibonacci Numbers and Their Applications, Eger, 2012.
  41. Arithmetic and geometric progressions in the solution set of diophantine equations, 9th Polish, Slovak and Czech Conference on Number Theory, Ostravice, 2012.
  42. Effective results for Diophantine equations over finitely generated domains, Workshop on Algebraic and Analytic Number Theory and Their Applications, Constanta, Romania, 2013.
  43. Effective results for Diophantine equations over finitely generated domains, XXVI Journés Arithmetiques, Grenoble, France, 2013.
  44. Effective results for Diophantine equations over finitely generated domains, 20th Czech and Slovak International Number Theory Conference, Ostravice, Czech Republic, 2013.
  45. Arithmetic and geometric progressions in the solution set of diophantine equations, Department of Mathematics, Nihon University, Tokyo, 2014.
  46. Effective results for Diophantine equations over finitely generated domains, Diophantine Analysis and Related Fields 2014, Tsukuba, Japan, 2014.
  47. Effective results for Diophantine equations over finitely generated domains, Workshop on Diophantine Problems, Graz, Austria, 2014.
  48. Effective results for division points on curves in G_m^2, Diophantine Approximation and Transcendence, CIRM, Luminy, France, 2014.