Fri | Apr 28 | 17:30 | Akram Alishahi | Khovanov homology and involutive Heegaard Floer homology | |

Fri | Apr 07 | 17:30 | Zhenkun Li | A surgery formula in instanton Floer theory | |

Fri | Mar 24 | 17:30 | Thomas Mark | Fillable contact structures from positive surgery | |

Fri | Mar 10 | 18:30 | Alice Hedenlund | Seiberg-Witten Floer Theory and Twisted Parametrised Spectra | |

Fri | Feb 24 | 18:30 | Bob Gompf | Transverse Tori in Engel Manifolds | |

Fri | Feb 10 | 18:30 | Jiajun Yan | A New Gauge-Theoretic Construction of 4-dimensional Hyperkähler ALE Spaces | |

Mon | Dec 12 | 19:30 | Jason Lotay | Stability and neck pinches in Lagrangian mean curvature flow | |

Mon | Nov 21 | 19:30 | Masaki Taniguchi | Relative genus bounds from Floer K-theory | |

Mon | Oct 31 | 18:30 | Tye Lidman | Instantons and handle decompositions. | |

Mon | Oct 17 | 18:30 | Michael Hutchings | Floer theory of families of equivalent objects | |

Mon | Oct 03 | 18:30 | Ali Daemi | The knot complement problem for nullhomotopic knots | |

Thu | Apr 14 | 17:30 | Paul Kirk | Holonomy perturbed SU(2) character varieties of tangles | |

Thu | Mar 31 | 17:30 | Gard Olav Helle | Calculations of equivariant instanton Floer groups for binary polyhedral spaces. | |

Thu | Mar 17 | 17:30 | Hayato Imori | Instanton knot invariants with rational holonomy parameters and an application for torus knot groups | |

Thu | Mar 03 | 18:30 | Ian Zemke | The link surgery formula and plumbed 3-manifolds | |

Thu | Feb 17 | 18:30 | Clayton McDonald | Surface slices and homology spheres | |

Thu | Feb 10 | 19:30 | Linh Truong | Homology concordance and knot Floer homology | |

Thu | Dec 02 | 18:30 | Minh Nguyen | Finite dimensional approximation and Pin(2)-equivariant properties for the Rarita-Schwinger-Seiberg-Witten equations | |

Thu | Nov 18 | 18:30 | Fan Ye | A large surgery formula for instanton Floer homology | |

Thu | Nov 04 | 17:30 | Anubhav Mukherjee | Exotic surfaces and the family Bauer-Furuta invariant | |

Thu | Oct 21 | 17:30 | Sudipta Ghosh | Connected sums and directed systems in knot Floer homologies | |

Thu | Oct 07 | 17:30 | John Baldwin | Fixed points, Khovanov homology, and Dehn surgery | |

Wed | Jun 02 | 18:30 | Marco Marengon | Relative genus bounds in indefinite 4-manifolds | |

Wed | May 26 | 18:30 | Jacob Rasmussen | An $SL_2(R)$ Casson-Lin Invariant | |

Wed | May 19 | 18:30 | Mariano Echeverria | The SO(3) vortex equations over orbifold Riemann surfaces | |

Wed | May 12 | 18:30 | Langte Ma | Torus Signature And Periodic Rho Invariant | |

Wed | May 05 | 18:30 | Mike Miller | Invariance and functoriality in equivariant instanton homology | |

Wed | Apr 28 | 18:30 | Chris Herald | Relative character varieties of tangles in 3-manifolds and holonomy perturbed flat moduli spaces | |

Wed | Apr 21 | 18:30 | Andriy Haydys | Topology of the blow up set for the Seiberg-Witten equations with two spinors | |

Wed | Apr 14 | 18:30 | Joshua Wang | Floer and Khovanov homologies of band sums | |

Wed | Apr 07 | 18:30 | David Duncan | Gluing mASD connections. | |

Wed | Mar 31 | 18:30 | Guillem Cazassus | Hopf algebras, equivariant Lagrangian Floer homology, and cornered instanton theory | |

Wed | Mar 24 | 18:30 | Dave Auckly | Exotic Families of Diffeomorphisms and Embeddings | |

Wed | Mar 17 | 18:30 | Aleksander Doan | Counting pseudo-holomorphic curves in symplectic six-manifolds | |

Wed | Mar 10 | 19:30 | Cliff Taubes | Morse theory, configuration spaces and Z/2 eigenfunctions for the Laplacian on 2-sphere. | |

Wed | Mar 03 | 19:30 | Artem Kotelskiy | The earring correspondence on the pillowcase. | |

Tue | Feb 23 | 23:00 | Tadayuki Watanabe | Trivalent graphs and diffeomorphisms of some 4-manifolds | |

Tue | Feb 16 | 23:00 | David Baraglia | Tautological classes of definite 4-manifolds | |

Tue | Feb 09 | 23:00 | Juanita Pinzón Caicedo | Toroidal integer homology spheres have irreducible SU(2)-representations | |

Tue | Feb 02 | 23:00 | Masaki Taniguchi | Gauge theory on 4-manifolds with periodic ends II | |

Thu | Jan 28 | 23:00 | Hokuto Konno | Seiberg-Witten theory for families II | |

Thu | Jan 21 | 23:00 | Masaki Taniguchi | Gauge theory on 4-manifolds with periodic ends I | |

Tue | Jan 19 | 23:00 | Hokuto Konno | Seiberg-Witten theory for families I | |

Thu | Dec 10 | 20:00 | Paul Feehan | Morse-Bott theory on analytic spaces and applications to to topology of smooth 4-manifolds | |

Thu | Dec 03 | 20:00 | Boyu Zhang | Several detection results for Khovanov homology on links | |

Thu | Nov 19 | 20:00 | Laura Fredrickson | The asymptotic geometry of the Hitchin moduli space | |

Thu | Nov 12 | 20:00 | Zhenkun Li | Instanton Floer homology of (1,1)-knots | |

Thu | Nov 05 | 20:00 | Donghao Wang | Monopole Floer homology for 3-manifolds with toroidal boundary | |

Thu | Oct 29 | 19:00 | Sherry Gong | Non-orientable link cobordisms and torsion order in Floer homologies | |

Thu | May 07 | 19:00 | Gleb Smirnov | The Atiyah flop and diffeomorphism groups | |

Thu | Apr 30 | 19:00 | Peter Kronheimer | Dehn twists in dimension four | |

Thu | Apr 23 | 19:00 | Antonio Alfieri | Instanton Floer homology of almost-rational plumbings | |

Thu | Apr 16 | 19:00 | Francesco Lin | Monopole Floer homology, eigenform multiplicities and the Seifert-Weber dodecahedral space | |