**Bidisha Roy** (Harish-Chandra Research Institute, Allahabad):

Torsion groups of Mordell curves over cubic and sextic fields

October 16, 2019

**Goran Drazic:** Mordell-Weil sieve

October 23, 2019

**Nuno Freitas** (University of Barcelona):

Frey abelian varieties and Fermat-type equations

October 30, 2019

**Tomislav Guzvic:** Jarnik's theorem for badly approximable complex numbers

September 13, 2019

**Goran Drazic:** Hurwitz spectrum

September 13, 2019

**Victoria Cantoral Farfan** (Katholieke Universiteit Leuven):

Fields of definition of elliptic fibrations on covers of certain extremal rational elliptic surfaces

January 15, 2020

**Peter Bruin** (Universiteit Leiden):

Counting elliptic curves with prescribed level structure over number fields

January 29, 2020

**George Turcas** (Institute of Mathematics of the Romanian Academy):

Irreducible binary cubics and the generalised superelliptic equation over number fields

February 12, 2020

**Ivan Krijan:** Torsion groups of elliptic curves over infinite abelian extensions of **Q**

February 19, 2020

**Tomislav Guzvic:** Torsion of elliptic curves with rational *j*-invariant over number fields

April 27, 2020

**Ivana Bozic Dragun, Davor Devald:** Fibonacci-Diophantus triples

September 2, 2020

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