Sándor Kovács (University of Washington): Moduli theory and singularities - Rényi, Tondo room + Zoom - - -
Kálmán Győry: General effective reduction theory of integral polynomials and its applications (survey with a brief historical overview) - online - - -
Phung Ho Hai (IM-VAST, Hanoi and MPIM, Bonn): Comparison theorems for de Rham cohomology and fundamental group cohomology of algebraic curves - Tondós terem + Zoom - - -
G. Walsh (Tutte Institute): Solving problems of Erdős using elliptic curves and an elliptic curve analogue of the Ankeny-Artin-Chowla conjecture - online - - -
T. Miyazaki (Gunma University): Number of solutions to a special type of unit equations in two unknowns III - online - - -