Fri | Dec 09 | 12:00 | Markus Upmeier | Categorifications of Atiyah-Singer index theory with applications to calibrated geometry and gauge theory | |

Fri | Dec 02 | 13:30 | Ben Davison | TBA | |

Fri | Nov 25 | 13:30 | Denis Auroux | Fukaya categories of Landau-Ginzburg models and functoriality in homological mirror symmetry | |

Fri | Nov 18 | 13:30 | Martin Taylor | The nonlinear stability of the Schwarzschild family of black holes | |

Fri | Nov 11 | 13:30 | Bogdan Zavyalov | Mod-p Poincare Duality in p-adic Analytic Geometry. | |

Fri | Nov 04 | 13:30 | Stephen Lynch | Ancient solutions of geometric flows | |

Fri | Oct 28 | 12:30 | Baris Kartal | Frobenius operators in symplectic topology | |

Fri | Oct 21 | 12:30 | Maxim Jeffs | Functorial mirror symmetry for very affine hypersurfaces | |

Fri | Oct 14 | 12:30 | Alexander Petrov | Hodge-to-de Rham (non)degeneration in positive characteristic and Steenrod operations | |

Fri | Jul 01 | 12:30 | Paul Schwahn | Stability and rigidity of normal homogeneous Einstein manifolds. | |

Fri | Jun 24 | 12:30 | Soheyla Feyzbakhsh | Moduli spaces of stable objects in the Kuznetsov component of cubic threefolds | |

Fri | Jun 17 | 12:30 | Lenny Taelman | Deformations of Calabi–Yau varieties in mixed characteristic | |

Fri | Jun 10 | 12:30 | Hélène Esnault | Recent developments on rigid local systems | |

Fri | May 27 | 12:30 | Ignacio Barros Reyes | The Kodaira classification of the moduli of hyperelliptic curves | |

Fri | May 20 | 12:30 | Alexei Skorobogatov | Reduction of Kummer surfaces | |

Fri | May 13 | 12:30 | Qaasim Shafi | Logarithmic Toric Quasimaps | |

Fri | May 06 | 12:30 | Richard Thomas | Rank r DT theory from rank 1. | |

Fri | Apr 29 | 12:30 | Jakub Witaszek | Quasi-F-splittings. | |

Fri | Mar 25 | 13:30 | Carolina Araujo | Higher Fano manifolds | |

Fri | Mar 18 | 13:30 | Wicher Malten | From braids to transverse slices in reductive groups. | |

Fri | Mar 11 | 13:30 | Michael McQuillan | Thurston Vanishing | |

Fri | Mar 04 | 13:30 | Adam Gal | Hall categories and quantum group categorification | |

Fri | Feb 25 | 13:30 | Claude Viterbo | Completions and coisotropy in symplectic topology | |

Fri | Feb 18 | 13:30 | Egor Yasinsky | Birational involutions of the projective plane | |

Fri | Feb 11 | 13:30 | Alastair Craw | Partial crepant resolutions, punctual Hilbert schemes and ADE singularities. | |

Fri | Feb 04 | 13:30 | Ailsa Keating | Symplectomorphisms of some Weinstein 4-manifolds. | |

Fri | Jan 28 | 15:15 | András Juhász | Knot theory and machine learning. | |

Fri | Jan 21 | 13:30 | John Nicholson | 4-manifolds and the homotopy type of a finite 2-complex | |

Fri | Dec 10 | 13:30 | Rachel Webb | Abelianization and quantum lefschetz for orbifold I-functions. | |

Fri | Dec 03 | 13:30 | Jeff Carlson | The topology of the Gelfand–Zeitlin fiber | |

Fri | Nov 26 | 13:30 | Selim Ghazouani | Existence of closed geodesics for affine structures on surfaces. | |

Fri | Nov 19 | 13:30 | Alastair Craw | TBA | |

Fri | Nov 12 | 13:30 | Nikon Kurnosov | Geometry of Bogomolov-Guan manifolds | |

Fri | Nov 05 | 13:30 | Fabian Haiden | Motivic DT invariants of quadratic differentials. | |

Fri | Oct 29 | 12:30 | Ruadhaí Dervan | Stability conditions for polarised varieties | |

Fri | Oct 22 | 12:30 | Lewis Topley | Finite W-algebras and the orbit method | |

Fri | Oct 15 | 12:30 | Mehdi Yazdi | The fully marked surface theorem | |

Fri | Jun 25 | 12:30 | Arkadij Bojko | Wall-crossing for Hilbert schemes of fourfolds and Quot-schemes of surfaces | |

Fri | Jun 18 | 12:30 | Yanki Lekili | Towards a mirror to knot Floer homology. | |

Fri | Jun 11 | 12:30 | Simon Donaldson | Some boundary value and mapping problems involving differential forms | |

Fri | May 28 | 12:30 | Sergej Monavari | Double nested Hilbert schemes and stable pair invariants | |

Fri | May 14 | 12:30 | Michael Magee | Spectral Gaps of Random Covers of Surfaces | |

Fri | May 07 | 12:30 | Mark Andrea De Cataldo | Some things I know and some I don’t about moduli spaces of Higgs bundles | |

Fri | Mar 19 | 13:30 | Marco Mendez Guaraco | Multiplicity one of generic stable Allen-Cahn minimal hypersurfaces. | |

Fri | Feb 26 | 13:30 | Joseph Waldron | Minimal model program for threefolds of mixed characteristic. | |

Fri | Feb 19 | 13:30 | Timothy Magee | Convexity in tropical spaces and compactifications of cluster varieties. | |

Fri | Feb 12 | 17:00 | Nicolas Addington | Moduli spaces of sheaves on moduli spaces of sheaves | |

Fri | Feb 05 | 13:30 | Veronica Fantini | Scattering diagrams in the extended tropical vertex | |

Fri | Jan 29 | 13:30 | Angela Wu | How to draw the Weinstein handlebody diagram of the complement of a smoothed toric divisor | |

Fri | Jan 22 | 13:30 | Catharina Stroppel | Verlinde rings and DAHA actions | |

Fri | Dec 18 | 13:30 | Jeremy Lane | Stratified gradient-Hamiltonian vector fields and applications in symplectic geometry. | |

Fri | Dec 11 | 13:30 | Spencer Bloch | The world’s simplest degeneration of algebraic varieties | |

Fri | Dec 04 | 13:30 | David Fernandez | Noncommutative Poisson geometry and pre-Calabi-Yau algebras | |

Fri | Nov 27 | 13:30 | Boris L Tsygan | Notes on noncommutative forms and Hochschild chains | |

Fri | Nov 20 | 13:30 | Anthea Monod | Tropical Geometry of Phylogenetic Tree Spaces. | |

Fri | Nov 13 | 13:30 | Steve Oudot | Local characterizations of poset representations: the case of the plan | |

Fri | Nov 06 | 13:30 | Florian Naef | The string coproduct | |

Fri | Oct 30 | 13:30 | Carlos Améndola | Maximum Likelihood Estimation of Toric Fano Varieties. | |

Fri | Oct 23 | 13:30 | Andrew Lobb | The rectangular peg problem | |

Fri | Jun 19 | 12:30 | Kathlén Kohn | Projective geometry of Wachspress coordinates. | |

Fri | Jun 12 | 12:30 | Vladimir Lazić | Which properties of the canonical class depend only on its first Chern class? | |

Fri | May 29 | 12:30 | Antonio De Rosa | Uniqueness of critical points of the anisotropic isoperimetric problem | |

Fri | May 22 | 12:30 | Emma Brakkee | Moduli of twisted K3 surfaces | |

Fri | May 15 | 12:30 | Laura Pertusi | Stability conditions and moduli spaces for Kuznetsov components of Gushel-Mukai varieties | |

Fri | May 08 | 12:30 | Tye Lidman | Conway spheres and Dehn surgery. | |

Fri | May 01 | 12:30 | Balázs Szendrői | Hilbert schemes of points on singular surfaces: combinatorics, geometry, and representation theory | |