| September 15, 2017 * | Nigel Hitchin (Oxford) | The critical locus of the Hitchin system |
| September 28, 2017 | Vincenzo Cambo (SISSA Trieste) | On the E polynomial of a family of symplectic character varieties |
| October 13, 2017 * | Rahul Pandharipande (ETH Zürich) Tamas Hausel (ISTA) | Budapest-Wien AG |
| October 19, 2017 | Laura Schaposnik (UIUC Chicago) | On Cayley and Langlands type correspondences for Higgs bundles |
| October 25, 2017 * | Marcos Jardim (UEC Campinas) | Branes on moduli spaces of sheaves |
| November 2, 2017 | Andras Juhasz (Oxford) | Defining and classifying TQFTs via surgery |
| November 9, 2017 | Michael McBreen (MIT) | Relating the Quantum connection and the Quantization of Symplectically Dual Spaces |
| November 16, 2017 | Fernando R Villegas (ICTP) | Representation of quiver over finite rings |
| November 23, 2017 | Karoly Boroczky (Renyi Institute and CEU, Budapest) | On convex bodies and representation theory |
| November 24, 2017 * | Angelo Vistoli (Pisa) | Budapest-Wien AG |
| November 30, 2017 | Sam Gunningham (UT Austin) | Symmetries of convolution categories and the quantum Ngo action |
| December 7, 2017 * | Gaetan Borot (MPI, Bonn) | Geometric recursion |
| December 14, 2017 | Josef Schicho (RISC, Linz) | Algebra of Motions |
| December 21, 2017 | Michael Gröchenig (FU Berlin) | p-adic integration for the Hitchin system |
| January 18, 2018 | Alexander Minets (Université Paris-Sud) | Cohomological Hall algebras of Higgs torsion sheaves and moduli of stable triples |
| March 1, 2018 | Tristan Bozec (University of Lyon) | Irreducible components of the global nilpotent cone |
| March 8, 2018 | Yohan Brunabarbe (University of Zurich) | Hyperbolicity of moduli stacks by reduction to positive characteristic |
| March 15, 2018 | Chau Ngo Bao (University of Chicago) | Hitchin fibration for algebraic surfaces |
| March 19, 2018 * | Anne Moreau (Université de Lille) | Arc space and chiral symplectic cores |
| March 29, 2018 | Andreas Cap (University of Vienna) | Parabolic geometries, BGG sequences and geometry at infinity |
| April 5, 2018 | Simone Chiarello (University of Geneva) | The P=W conjecture on the moduli space of rank 2 Higgs bundles |
| April 20, 2018 * | Adrian Langer (Warsaw) András Némethi (Rényi Institute) | Budapest-Wien AG |
| April 26, 2018 | Christof Geiss (UNAM Mexico, MPIM Bonn) | Quivers with relations for symmetrizable Cartan matrices and semicanonical functions |
| May 3, 2018 | Chris Elliott (IHES) | Topological twists of supersymmetric factorization algebras |
| May 9, 2018 * | Sergei Gukov (Caltech, MPI Bonn) | New q-series invariants of 3-manifolds |
| May 17, 2018 | Alexander Varchenko (University of North Carolina at Chapel Hill) | Hypergeometric and q-hypergeometric solutions of quantum differential equations |
| May 24, 2018 | Du Pei (Caltech, Aarhus) | 2d TQFTs labelled by 3-manifolds |
| May 25, 2018 * | Lothar Göttsche (ICTP) + Philippe Michel (EPFL) | Budapest-Wien AG |
| May 30, 2018 * | André Oliveira (University of Porto) | Branes on the Hitchin system arising from finite order line bundles |
| June 3-7, 2018 | Helvetic Algebraic Geometry seminar | Konolfingen |
| June 21, 2018 | George Lusztig (MIT) | Z/m-graded Lie algebras and perverse sheaves |
| July 3, 2018 | Miroslav Rapcak (Perimeter Institute for Theoretical Physics) | Representation Theory of Vertex Operator Algebras and Gukov-Witten Defects |
