Differential Geometry and Topology Seminar 2008-10-15 16:00: Sutured Floer Homology (Andras Juhasz, Cambridge) 2008-10-22 16:00: Surface subgroups in dimension 3 (Marc Lackenby, Oxford) 2008-10-29 16:00: Minimal surfaces and mean curvature flow (Tobias Colding, MIT) 2008-11-05 16:00: Stability conditions and Donaldson-Thomas type invariants (Yukinobu Toda, IPMU (Tokyo) & Oxford) 2008-11-12 16:00: Symplectic 4-manifolds and fibred 3-manifolds (Stefan Friedl, Warwick) 2008-11-19 16:00: Counting closed geodesics on flat surfaces (Anton Zorich, Universite de Rennes) 2008-11-26 16:00: Discrete group actions on symplectic manifolds (Jarek Kedra, Aberdeen) 2008-12-03 16:00: Strong symplectic fillings and holomorphic curves (Chris Wendl, ETH Zurich) 2009-01-21 16:00: Geometric realisations of the mapping class group (Vladimir Markovic, Warwick) 2009-01-28 16:00: K-theory integral structures in quantum cohomology (Hiroshi Iritani, Imperial and Kyushu) 2009-02-04 16:00: Floer homology and hyperkaehler geometry (Dietmar Salamon, ETH Zurich) 2009-02-11 16:00: Gauge theory, calibrated geometry and exceptional structures (Simon Donaldson, Imperial College) 2009-02-18 16:00: Obstructions to exact contact embeddings of unit cotangent bundles (Alexandru Oancea, Strasbourg) 2009-02-25 16:00: Seiberg-Witten invariants and end-periodic Dirac operators (Nikolai Saveliev, University of Miami) 2009-03-04 16:00: Knots, 3-manifolds and gauge theories (Tom Mrowka, MIT) 2009-03-11 16:00: Contact homology for manifolds with convex boundary (Paolo Ghiggini, Universite de Nantes) 2009-04-29 16:00: On the existence of Hamiltonian stationary Lagrangian submanifolds (Dominic Joyce, Oxford) 2009-05-06 16:00: Invariant geometric structures for group actions and the Zimmer program (Anatole Katok, Penn State) 2009-05-13 16:00: An overview of bordered Floer homology (Robert Lipshitz, Columbia) 2009-05-20 16:00: Proof of the Caratheodory Conjecture by mean curvature flow (Brendan Guilfoyle, Inst. of Technology Tralee) 2009-05-26 17:00: New Discretization of GL(n) connections (Serguei Novikov, Steklov Institute and Univ. of Maryland) 2009-05-27 16:00: Linearized Legendrian contact homology and Lagrangian Floer cohomology (Tobias Ekholm, Uppsala) 2009-10-19 16:00: Explicit Moduli for Closed Genus 2 Surfaces (Iain Aitchison, Melbourne) 2009-10-21 16:00: Product structures in Floer homology (Matthias Schwarz, Leipzig) 2009-10-28 16:00: Deformations of Associative Submanifolds (Damien Gayet, Lyons) 2009-11-04 16:00: Bordism of projective space bundles and geometric applications (Dieter Kotschick, Munich) 2009-11-11 16:00: Extremal Coefficients in the HOMFLY polynomial (Tamas Kalman, Tokyo) 2009-11-18 16:00: Knot homology and geometric representation theory (Geordie Williamson, Oxford) 2009-11-20 13:30: Colored Khovanov homology and sutured Floer homology (Stephan Wehrli, Paris VII) 2009-11-25 16:00: Planar graphs and rational homology 4-balls (Brendan Owens, Glasgow) 2009-12-02 16:00: Morse homology on infinite dimensional manifolds and Lorentzian geodesics (Alberto Abbondandolo, Pisa) 2010-01-20 16:00: Link cobordisms, configuration spaces and a more natural setting for (symplectic) Khovanov homology (Jack Waldron, Cambridge) 2010-01-26 16:00: On the HOMFLY invariant of algebraic knots (Vivek Shende, Princeton) 2010-02-03 16:00: Geometric aspects of the Aubry set (Patrick Bernard, Paris Dauphine) 2010-02-10 16:00: Symplectic homogenization and Mather's theory (Claude Viterbo, Ecole Polytechnique) 2010-02-17 16:00: Symplectic mapping class groups of some Stein and rational surfaces (Jonny Evans, Cambridge) 2010-03-03 16:00: Differentiability and symplectic properties of the minimal lagrangian action (Alfonso Sorrentino, Cambridge) 2010-03-10 16:00: Topological quantum field theory structure on symplectic cohomology (Alex Ritter, Cambridge) 2010-04-28 16:00: Scalar-flat Kaehler metrics on non-compact toric surfaces (Rosa Sena-Dias, Lisbon) 2010-05-05 16:00: Floer cohomology and pencils of quadrics (Ivan Smith, Cambridge) 2010-05-12 16:00: Symplectic homology of 4-dimensional Weinstein manifolds and Legendrian homology of links (Tobias Ekholm, Uppsala) 2010-05-19 16:00: Upper bounds on Reidemeister moves (Alexander Coward, Oxford) 2010-05-24 14:00: The Dirichlet problem for fully nonlinear equations in Riemannian geometry (Blaine Lawson, Stony Brook) 2010-05-26 16:00: Ricci solitons (Andrew Dancer, Oxford) 2010-06-02 16:00: Floer cohomology on the universal cover and Audin's conjecture (Mihai Damian, Strasbourg) 2010-10-13 16:00: Lagrangian topology, quantum structures and cobordisms (Paul Biran, ETH Zurich and Tel Aviv) 2010-10-20 16:00: Small dilatations of pseudo-Anosov maps on hyperelliptic translation surfaces (Corentin Boissy, Aix-Marseille) 2010-10-27 16:00: On the cohomology of arithmetic hyperbolic manifolds (Nicolas Bergeron, Jussieu) 2010-11-03 16:00: Constructing and counting incompressible surfaces in closed hyperbolic manifolds (Vlad Markovic, Warwick) 2010-11-10 16:00: A Runge approximation theorem for pseudoholomorphic curves (Antoine Gournay, MPI Bonn) 2010-11-17 16:00: Empty symplectic manifolds (Maksim Maydanskiy, Cambridge) 2010-11-24 16:00: HF=ECH via open book decompositions (Vincent Colin, Nantes) 2010-12-01 16:00: Ambitoric Kaehler surfaces (David Calderbank, Bath) 2011-01-19 16:00: Lefschetz fibrations on Stein domains (Emmanuel Giroux, ENS Lyon) 2011-01-26 16:00: Continuity of extremal transitions and flops for Calabi-Yau manifolds (Yuguang Zhang, Capital Normal University, China) 2011-02-02 16:00: Fukaya-Seidel categories and gauge theory (Andriy Haydys, Imperial College) 2011-02-09 16:00: Fukaya categories of the torus and Dehn surgery on 3-manifolds (Yanki Lekili, Cambridge) 2011-02-16 16:00: Poisson geometry and deformations of Hilbert schemes (Nigel Hitchin, Oxford) 2011-02-23 16:00: K3 surfaces with non-symplectic involution and compact G2-manifolds (Alexei Kovalev, Cambridge) 2011-03-02 16:00: Lagrangian cobordisms of Legendrian knots and applications (Baptiste Chantraine, Universite Libre de Bruxelles) 2011-03-09 16:00: A multi-dimensional Birkhoff theorem for Tonelli Hamiltonian flows (Marie-Claude Arnaud, Avignon) 2011-03-16 16:00: The geometry of hyperbolic 3-manifolds and rank of the fundamental group (Juan Souto, University of Michigan) 2011-04-27 16:00: A plethora of exotic Stein manifolds (Mohammed Abouzaid, Clay Institute and MIT) 2011-05-04 16:00: Character varieties of surfaces and Kauffman brackets (Francis Bonahon, USC) 2011-05-11 16:00: On the slice-ribbon conjecture for Montesinos knots (Ana Lecuona, ENS Lyon) 2011-05-18 16:00: The non-local vortex equations and gauged Gromov-Witten invariants (Andreas Ott, IHES) 2011-05-25 16:00: Hausdorff dimension of oscillatory motions for the 3-body problem (Vadim Kaloshin, Penn. State) 2011-06-01 16:00: Calibrated integral currents in geometry (Costante Bellettini, ETH) 2011-06-08 16:00: Contact geometry, open books and monodromy (John Etnyre, Georgia Institute of Technology) 2011-10-05 16:00: On quasimorphisms arising from equivariant moment maps (Egor Shelukhin, Tel Aviv) 2011-10-12 16:30: Effective log geometry (Paolo Cascini, Imperial) 2011-10-19 16:00: Rotation numbers and ziggurats (Danny Calegari, Cambridge) 2011-10-26 16:00: Quantum cohomology of twistor spaces (Jonny Evans, ETH Zurich) 2011-11-02 16:00: The attenuated ray transform for connections and Higgs fields (Gabriel Paternain, Cambridge) 2011-11-09 16:00: Distinguishing between exotic symplectic structures (Richard Harris, Cambridge) 2011-11-16 16:00: Microlocal theory of sheaves and symplectic geometry (Stephane Guillermou, Grenoble) 2011-11-23 16:00: Regularity of subsolutions in discrete weak KAM theory (Maxime Zavidovique, ENS Lyon) 2011-11-30 16:00: Tight but nonfillable contact manifolds in all dimensions (Chris Wendl, UCL) 2012-01-18 16:00: Exact Lagrangian immersions with one double point (Ivan Smith, Cambridge) 2012-01-25 16:00: Gluing theorems and power series (Michael Singer, Edinburgh) 2012-02-01 16:00: Geometric inverse problems (Mikko Salo, Helsinki) 2012-02-08 16:00: Geometry of random groups (John Mackay, Oxford) 2012-02-15 16:00: Diffeomorphism types of compact G2 manifolds (Johannes Nordstrom, Imperial College) 2012-02-22 16:00: A gauge theoretic approach to the anti-self-dual Einstein equations (Joel Fine, Universite Libre de Bruxelles) 2012-02-29 16:00: A generating function for higher Floer products and infinite-dimensional integrable systems (Oliver Fabert, Augsburg) 2012-03-07 16:00: Equivalent notions of rank for manifolds of non-positive curvature and for mapping class groups of surfaces (Cornelia Drutu, Oxford) 2012-03-14 16:00: Floer theoretically essential tori in rational blowdowns (Yankl Lekili, Cambridge) 2012-05-02 16:00: Betti numbers of random real hypersurfaces (Jean-Yves Welschinger, Lyon) 2012-05-09 16:00: Fukaya categories of Stein manifolds (Mohammed Abouzaid, Clay) 2012-05-16 16:00: Twistor surfaces (Simon Salamon, King's College London) 2012-05-23 16:00: Homotopy of codimension one foliations on 3-manifolds (Helene Eynard, Jussieu) 2012-05-30 16:00: On the rigidity of convex billiards (Alfonso Sorrentino, Cambridge) 2012-06-15 10:30: Disjoint Lagrangian spheres (Paul Seidel, MIT) 2012-08-17 14:30: Local audibility of a hyperbolic metric (Vladimir Sharafutdinov, Novosibirsk) 2012-10-17 16:00: Cohomological dimension and engulfing (Will Cavendish, Oxford) 2012-10-24 16:00: Fibrant symplectic homology and the nearby Lagrangian conjecture (Thomas Kragh, Uppsala) 2012-10-31 16:00: Morse 2-functions and trisections of 4-manifolds (Rob Kirby, Berkeley) 2012-11-01 14:00: Embedding symplectic balls into four-dimensional tori - Cancelled (Dusa McDuff, Columbia) 2012-11-07 16:00: Min-max theory and the energy of links (Andre Neves, Imperial College) 2012-11-14 16:00: The "Mumford conjecture" package, and applications (Oscar Randal-Williams, Cambridge) 2012-11-21 16:00: Collapsing Riemannian manifolds and stability of inverse problems (Yaroslav Kurylev, UCL) 2012-11-28 16:00: Naturality of Heegaard Floer homology (Andras Juhasz, Imperial College) 2013-01-16 16:00: Dehn twists and free subgroups of the symplectic mapping class group (Ailsa Keating, MIT) 2013-01-30 16:00: The Hele-Shaw flow and the moduli of holomorphic discs (Julius Ross, Cambridge) 2013-02-06 16:00: Contact manifolds with symplectomorphic symplectizations (Sylvain Courte, ENS Lyon) 2013-02-13 16:00: A flexibility result in high-dimensional contact topology (Klaus Niederkruger, Toulouse) 2013-02-20 16:00: Towards a vanishing theorem in bounded cohomology of Lie groups (Andreas Ott, Cambridge) 2013-02-27 16:00: A new invariant of G2 structures (Diarmuid Crowley, Max Planck Bonn) 2013-03-06 16:00: Complex line arrangements and polyhedral metrics (Dima Panov, KCL) 2013-03-13 16:00: Spectral rigidity and invariant distributions on Anosov surfaces (Gabriel Paternain, Cambridge) 2013-05-01 16:00: Structure of the colored HOMFLY knot homology (Marko Stosic, Lisbon) 2013-05-08 16:00: Spin(7)-instantons, the Bogomolov inequality and stable bundles on abelian 4-folds. (Vicente Munoz, Madrid) 2013-05-15 16:00: Defining a 'Fukaya category' of (derived) Lagrangians in a complex symplectic manifold using perverse sheaves (Dominic Joyce, Oxford) 2013-05-22 16:00: Unlinking and unknottedness of monotone Lagrangian submanifolds (Jonny Evans, UCL) 2013-05-29 16:00: Boundary and lens rigidity and tensor tomography (Gunther Uhlmann, University of Washington) 2013-05-31 14:00: Floer homology and the triangulation conjecture (Ciprian Manolescu, UCLA) 2013-07-24 16:00: On the Fukaya category of a Fano hypersurface in projective space (Nick Sheridan, IAS) 2013-10-16 16:00: Infinite loop spaces and positive scalar curvature (Oscar Randal-Williams, Cambridge) 2013-10-23 16:00: Desingularisation of extremal metrics and minimal Lagrangians (Olivier Biquard, ENS Paris) 2013-10-30 16:00: Simplicial volume and bounded cohomology (Michelle Bucher-Karlsson, Geneva) 2013-11-06 16:00: J-holomorphic foliations and embeddings of polydisks (Sam Lisi, Nantes) 2013-11-13 14:15: Homology of curves and surfaces in closed hyperbolic 3-manifolds (Vlad Markovic, Cambridge) 2013-11-20 16:00: An analogue of the curve complex for a right-angled Artin group. (Henry Wilton, UCL) 2013-11-27 16:00: Knot contact homology and topological strings (Tobias Ekholm, Uppsala) 2013-12-04 16:00: Equivariant Lagrangian branes and representations (Yankl Lekili, KCL) 2014-01-15 16:00: Lagrangian tori in four-dimensional Milnor fibres (Ailsa Keating, MIT) 2014-01-22 16:00: Uniqueness of the contact structure approximating a foliation (Thomas Vogel, MPI Bonn) 2014-01-29 16:00: Circle invariant definite connection and symplectic Fano six-manifolds (Joel Fine, Bruxelles) 2014-02-05 16:00: Chaotic properties of locally Hamiltonian flows on surfaces and their extensions (Corinna Ulcigrai, Bristol) 2014-02-12 16:00: The virtual fibring theorem for 3-manifolds (Stefan Friedl, Regensburg) 2014-02-19 16:00: Symplectic magnetic fields on the two-sphere (Gabriele Benedetti, Cambridge) 2014-02-26 16:00: Maps between mapping class groups and their subgroups (Martin Bridson, Oxford) 2014-03-05 16:00: Hyperbolic inverse problems on a Riemannian manifold (Lauri Oksanen, UCL) 2014-03-12 15:45: Gauge theory on G2–manifolds (Thomas Walpuski, Imperial College) 2014-04-23 16:00: Mirror symmetry without localization. (Tom Coates, Imperial College) 2014-04-30 16:00: Free versus locally free Kleinian groups. (Juan Souto, Rennes) 2014-05-07 16:00: Commuting symplectomorphisms and Dehn twists in divisors (Dmitry Tonkonog, Cambridge) 2014-05-14 16:00: Floer cohomology of the Chiang Lagrangian (Jonny Evans, UCL) 2014-05-21 16:00: Classifying 3-dimensional TQFTs via generators and relations. (Chris Schommer-Pries, MPI Bonn) 2014-05-28 16:00: Knot Floer homologies (Andras Stipsicz, Budapest) 2014-10-15 16:00: Modular symbols, class numbers, and the high-dimensional cohomology of SL_n(O_K) (Andy Putman, Rice) 2014-10-22 16:00: X-ray transform and lens rigidity on manifolds with hyperbolic trapped set (Colin Guillarmou, ENS Paris) 2014-10-29 16:00: On exotic Lagrangian tori in the complex projective plane (Renato Vianna, Cambridge) 2014-11-05 16:00: Distinguishing 3-manifolds by their finite covers (Henry Wilton, Cambridge) 2014-11-12 16:00: The complex geometry of Teichmüller spaces and symmetric domains (Stergios Antonakoudis, Cambridge) 2014-11-19 16:00: Alternating knots with unknotting number one (Duncan McCoy, Glasgow) 2014-11-26 16:00: The Crowley-Nordström invariant for G2 manifolds (Sebastian Goette, Freiburg) 2014-12-03 16:00: No seminar scheduled (The Invisible Man, Iping) 2015-01-14 16:00: Family Floer cohomology (Mohammed Abouzaid, Columbia) 2015-01-21 16:00: Towards homological mirror symmetry for hypersurfaces in the algebraic torus (Denis Auroux, Berkeley and l'IHP) 2015-01-28 16:00: Categorified colored HOMFLY invariants of rational tangles (Paul Wedrich, Cambridge) 2015-02-04 16:00: Lagrangian unknottedness in the cotangent bundle of a torus and applications (Georgios Dimitroglou Rizell, Cambridge) 2015-02-11 16:00: Sums of excursions along random Teichmuller geodesics and volume asymptotics in the moduli space of quadratic differentials (Vaibhav Gadre, Warwick) 2015-02-18 16:00: L-spaces versus non-left-orderability for graph manifolds (Liam Watson, Glasgow) 2015-02-25 16:00: Teichmüller curves in genus three and unlikely intersections (Martin Moeller, MPI & Frankfurt) 2015-03-04 16:00: Cycles in moduli spaces of graphs (Karen Vogtmann, Cornell) 2015-03-11 16:00: Formality of symplectic mapping tori (Marisa Fernandez, EHU, Spain) 2015-04-21 16:00: Title to be confirmed (Sarah Rasmussen, Cambridge) 2015-04-29 16:00: Inessential Brown-Peterson homology and bordism of elementary abelian groups (Bernhard Hanke, University of Augsburg) 2015-05-06 16:00: Recurrence on infinite cyclic coverings - CANCELLED (Albert Fathi, ENS Lyon) 2015-05-13 16:00: Involutive Heegaard Floer homology and new correction terms (Ciprian Manolescu, UCLA) 2015-05-20 16:00: Wise's w-cycle conjecture and homological coherence for one-relator groups (Lars Louder, UCL) 2015-05-27 16:00: Floer simple manifolds and L-space intervals (Sarah Rasmussen, Cambridge) 2015-07-08 16:15: Recurrence on infinite cyclic coverings (Albert Fathi, ENS Lyon) 2015-10-21 16:00: Contact topology from the Legendrian viewpoint (Roger Casals, MIT) 2015-10-28 16:00: Hierarchical hyperbolicity (Mark Hagen, Cambridge) 2015-11-04 16:00: Resolving isolated singularities of Kahler constant scalar curvature compact and ALE orbifolds (Claudio Arezzo, ICTP) 2015-11-11 16:00: Resonance for loop homology of spheres (Hans-Bert Rademacher, Leipzig) 2015-11-18 16:00: On profinite properties of 3-manifolds. (Michel Boileau, Aix-Marseille) 2015-11-25 16:00: Tight contact structures on connected sums need not be contact connected sums (Chris Wendl, UCL) 2015-12-02 16:00: Geometry of the moduli space of abelian differentials (Ursula Hamenstadt, Bonn) 2016-01-20 16:00: Fixed point theorems for holomorphic maps on Teichmueller spaces and beyond (Stergios Antonakoudis, Cambridge) 2016-01-27 16:00: Quasicircles of dimension 1+k^2 do not exist (Oleg Ivrii, Helsinki) 2016-02-03 16:00: Veering Dehn Surgery (Saul Schleimer, Warwick) 2016-02-10 16:00: Rational homotopy theory of the little n-disks operads (Thomas Willwacher, Zurich) 2016-02-17 16:00: Geometric Whitney problem: reconstruction of a manifold from a point cloud (Matti Lassas, Helsinki) 2016-02-24 16:00: An "unlinked" Floer homology, and Poincaré surfaces. (Barney Bramham, Bochum) 2016-03-02 16:00: Counting torus fibrations on a K3 surface (Simion Filip, Chicago) 2016-03-09 16:00: Loops are loops (Jake Rasmussen, Cambridge) 2016-04-27 16:00: Infinite loop spaces and positive scalar curvature in the presence of a fundamental group (Johannes Ebert, Muenster) 2016-05-04 16:00: Homotopy theory and the space of metrics of positive scalar curvature (Thomas Schick, Goettingen) 2016-05-11 16:00: C⁰-symplectic topology and the Arnold conjecture. (Vincent Humiliere, Jussieu) 2016-05-18 16:00: Filtering the Heegaard-Floer contact invariant (Andy Wand, Glasgow) 2016-05-25 16:00: Concordance maps in knot Floer homology (Marco Marengon, Imperial) 2016-10-12 16:00: From Foliations to Contact Structures (Jonathan Bowden, Munich) 2016-10-19 16:00: Holonomy perturbations and irreducible SL(2,C)-representations of homology 3-spheres (Raphael Zentner, Regensburg) 2016-10-26 16:00: A remark on the Euler equations of hydrodynamics (Kai Cieliebak, Augsburg) 2016-11-02 16:00: Polynomial-time Nielsen--Thurston type recognition (Richard Webb, Cambridge) 2016-11-09 16:00: Stability of the geodesic ray transform in the presence of caustics (Sean Holman, Manchester) 2016-11-16 16:00: Applications of cellular E_2-algebras (Oscar Randal-Williams, Cambridge) 2016-11-23 16:00: Thurston eigenvalues for unbounded postcritically finite rational maps (Holly Krieger, Cambridge) 2016-11-30 16:00: Surface subgroups of graphs of free groups. (Henry Wilton, Cambridge) 2017-01-25 16:00: Coherence and Kähler groups (Pierre Py, Strasbourg & UNAM) 2017-02-01 16:00: Prospects for Floer homotopy theory (Mohammed Abouzaid, Columbia) 2017-02-08 16:00: A tale of two norms. (Nathan Dunfield, UIUC) 2017-02-15 16:00: A log PSS map with applications to Lagrangian embedding questions (Dan Pomerleano, Imperial) 2017-02-22 16:00: The cohomological McKay correspondence via Floer theory (Alexander Ritter, Oxford) 2017-03-01 16:00: Rigidity and Flexibility for Handlebody Groups (Sebastian Hensel, Bonn) 2017-03-08 16:00: Annular Khovanov-Lee homology, Braids, and Cobordisms (Eli Grigsby, Boston College) 2017-03-15 16:00: Higher Teichmueller theory: from PSL(2,R) to other Lie groups (Marc Burger, ETH) 2017-05-03 16:00: On the existence of Lagrangians with special properties (Yng-Ing Lee, Taiwan and Oxford) 2017-05-10 16:00: The Calderon problem for connections (Mihajlo Cekic, Cambridge) 2017-05-17 16:00: Homological Stability of Moduli Spaces of High Dimensional Manifolds (Nina Friedrich, Cambridge) 2017-05-24 16:00: Symmetries in monotone Lagrangian Floer theory (Jack Smith, Cambridge) 2017-10-11 16:00: Ultralimits of maximal representations (Beatrice Pozzetti, Heidelberg) 2017-10-18 16:00: Hypersymplectic structures on 4-manifolds and the G2 Laplacian flow (Joel Fine, ULB) 2017-10-25 16:00: Cubic fourfolds, K3 surfaces, and mirror symmetry (Nick Sheridan, Cambridge) 2017-11-01 16:00: Infinite staircases in symplectic embedding capacity functions (Ana Rita Pires, Cambridge) 2017-11-08 16:00: Monodromy, flops and deformations (Michael Wemyss, Glasgow) 2017-11-15 16:00: SU(2)-cyclic surgeries and the pillowcase (Steven Sivek, Imperial College) 2017-11-22 16:00: Homotopical ideas in the theory of knots (Markus Szymik, Trondheim) 2017-11-29 16:00: Legendrian Surfaces: Fostering the Art of Front Cooking (Roger Casals, UCL) 2018-01-24 16:00: Normal subgroups of mapping class groups (Tara Brendle, Glasgow) 2018-01-31 16:00: Integrals over unitary groups, maps on surfaces, and Euler characteristics (Michael Magee, Durham) 2018-02-07 16:00: Word-hyperbolic surface bundles (Chris Leininger, UIUC) 2018-02-14 16:00: On symplectic stabilisations and mapping classes (Ailsa Keating, Cambridge) 2018-02-21 16:00: Bundles with fiberwise negatively curved metrics (Mauricio Bustamante, Augsburg) 2018-02-28 16:00: Stable diffeomorphisms of 4-manifolds - POSTPONED (Mark Powell, Durham) 2018-03-07 16:00: Lp-restriction of eigenfunctions to random Cantor type sets (Suresh Eswarathasan, Cardiff) 2018-03-14 16:00: Tropically constructed Lagrangian in mirror quintic threefolds (Cheuk Yu Mak, Cambridge) 2018-05-09 16:00: Detecting splittings of hyperbolic groups (Benjamin Barrett (Cambridge)) 2018-05-16 16:00: An analogue of the curve complex for Garside groups (Bertold Wiest (Université de Rennes 1)) 2018-05-23 16:00: Stable diffeomorphisms of 4-manifolds (Mark Powell, Durham) 2018-10-10 16:00: Matrix integrals, graphs on surfaces and mapping class groups (Doron Puder, Tel Aviv) 2018-10-17 16:00: Convex cocompact actions of Coxeter groups (Fanny Kassel, IHES) 2018-10-24 16:00: The quantum Steenrod square (Nicholas Wilkins, Oxford) 2018-10-31 16:00: Algebraic K-theory and exact Lagrangians in cotangent bundles (Thomas Kragh, Uppsala) 2018-11-07 16:00: Quantum cohomology and DAHA actions (Catharina Stroppel, Bonn) 2018-11-14 16:00: Detecting exotic smooth structures in diffeomorphism groups (Manuel Krannich, Cambridge) 2018-11-21 16:00: Tropical Lagrangians and mirror symmetry (Jeff Hicks, Berkeley & ETH) 2018-11-28 16:00: Stabilization distance bounds from link Floer homology (Andras Juhasz, Oxford) 2019-01-23 16:00: Surface subgroups of cubulable hyperbolic groups (Henry Wilton, Cambridge) 2019-01-30 16:00: Critical points of low index for the systole function (Maxime Fortier-Bourque, Glasgow) 2019-02-06 16:00: Jordan property for diffeomorphism groups (Ignasi Mundet i Riera, Barcelona) 2019-02-13 16:00: Torus knots and rational homology balls (Ana Lecuona, Glasgow) 2019-02-20 16:00: New complete metrics with holonomy G_2 (Johannes Nordstrom, Bath) 2019-03-06 16:00: Smoothing finite group actions on three-manifolds (John Pardon, Princeton) 2019-03-13 16:00: Cohomology of Torelli groups (Oscar Randal-Williams, Cambridge) 2019-04-24 16:00: Lagrangian Clean Surgery and Projective Dehn Twists (Weiwei Wu, University of Georgia) 2019-05-01 16:00: Squeezing Lagrangian tori in R^4 (Emmanuel Opshtein, Strasbourg) 2019-05-08 16:00: Splitting of the homology of the punctured mapping class group (Andrea Bianchi, Bonn) 2019-05-15 16:00: Blowing up extremal Poincaré type manifolds (Lars Sektnan, UQAM / McGill) 2019-10-16 16:00: Symplectic embeddings and infinite staircases (Tara Holm, Cornell) 2019-10-23 16:00: Exact Calabi-Yau structures and disjoint Lagrangian spheres (Yin Li, UCL) 2019-10-30 16:00: The spectrum of simplicial volume (Nicolaus Heuer, Cambridge) 2019-11-06 16:00: Knotted surfaces in 4-manifolds and distances between them (Oliver Singh, Durham) 2019-11-13 16:00: Homological representations for families of groups (Arthur Soulié, Cambridge) 2019-11-20 16:00: Quasimorphisms on groups of diffeomorphisms (Richard Webb, Cambridge) 2019-11-27 16:00: Obstructing isotopies between surfaces in four-manifolds (Hannah Schwartz, MPI Bonn) 2019-12-04 16:00: Quantum topology of Legendrian curves (Fabian Haiden, Oxford) 2020-01-15 16:00: Exotic Lagrangian tori in Grassmannians (Marco Castronovo, Rutgers) 2020-01-22 16:00: Groups acting improperly on cube complexes (Jason Manning, Cornell) 2020-01-29 16:00: Rational curves and birational contractions on hyperkahler manifolds (Ekaterina Amerik, Orsay) 2020-02-05 16:00: Resonant spaces for volume preserving Anosov flows (Gabriel Paternain, Cambridge) 2020-02-12 16:00: Recent progress on the Fried conjecture (Viet Dang, Lyon) 2020-02-19 16:00: An arithmetic count of rational plane curves (Kirsten Wickelgren, Duke) 2020-02-26 16:00: Highly connected manifolds in dimensions larger than 248 (Jeremy Hahn, MIT) 2020-03-04 16:00: Trisections and the Thom conjecture - CANCELLED (Peter Lambert-Cole, MPI Bonn) 2021-10-13 16:00: The transport Oka-Grauert principle for simple surfaces (Jan Bohr, Cambridge) 2021-10-20 16:00: Cubulating groups acting on polygonal complexes (Calum Ashcroft, Cambridge) 2021-10-27 16:00: Trying to quantify Gromov's non-squeezing theorem (Umut Varolgunes, Edinburgh) 2021-11-03 16:00: The topology of the Gelfand–Zeitlin fiber (Jeff Carlson, Imperial) 2021-11-10 16:00: Symplectic cohomology of compound du Val singularities (Jonny Evans, Lancaster) 2021-11-17 16:00: Homological stability for Temperley-Lieb algebras (Rachael Boyd, Cambridge) 2021-11-24 16:00: Morava K-theory and Hamiltonian loops (Ivan Smith, Cambridge) 2022-01-26 16:00: Knots, minimal surfaces and J-holomorphic curves (Joel Fine, Université Libre de Bruxelles) 2022-02-02 16:00: The surface category and tropical curves (Jan Steinebrunner, University of Cambridge) 2022-02-09 16:00: Character varieties of random groups (Oren Becker, Cambridge) 2022-02-16 16:00: Smooth embeddings and their families (Danica Kosanović, ETH) 2022-02-23 16:00: Applications of cobordism categories to enumerative invariants (Markus Upmeier, Aberdeen) 2022-03-02 16:00: Khovanov homology and knot detection (Steven Sivek, Imperial College London) 2022-03-09 16:00: Homotopical Lagrangian Monodromy (Noah Porcelli, Cambridge) 2022-03-16 16:00: Knot theory and machine learning (Marc Lackenby, Oxford) 2022-05-04 16:00: Geometry and spectrum of random hyperbolic surfaces (Laura Monk (Bristol)) 2022-05-11 16:00: The Ruelle zeta function at zero for nearly hyperbolic 3-manifolds (Gabriel Paternain (Cambridge)) 2022-05-18 16:00: Homological filling functions and the word problem (Robert Kropholler (Warwick)) 2022-05-25 16:00: Mapping class groups for simply connected 4-manifolds with boundary (Patrick Orson, MPI Bonn) 2022-10-12 16:00: 4-manifolds with infinite cyclic fundamental group (Mark Powell (Glasgow)) 2022-10-19 16:00: Morava K-theory of infinite groups and Euler characteristic (Irakli Patchkoria (Aberdeen)) 2022-10-26 16:00: Topological Langlands duality for 3-manifolds (David Jordan (Edinburgh)) 2022-11-02 16:00: The role of stability conditions in understanding Artin groups (Edmund Heng (IHES)) 2022-11-09 16:00: On not the rational dualizing module for Aut(F_n) (Zachary Himes (Cambridge)) 2022-11-16 16:00: String topology and the configuration space of two points (Florian Naef (Trinity College Dublin)) 2022-11-23 16:00: Reciprocal geodesics and dihedral subgroups of lattices in PSL(2, R) (Viveka Erlandsson (Bristol)) 2022-11-30 16:00: Parameterised moduli spaces of surfaces as infinite loop spaces (Andrea Bianchi (Copenhagen)) 2023-01-25 16:00: On frame flow ergodicity (Thibault Lefeuvre (Sorbonne)) 2023-02-01 16:00: The cyclic open-closed map, u-connections and R-matrices (Kai Hugtenburg (Edinburgh)) 2023-02-08 16:00: From veering triangulations to dynamic pairs (Saul Schleimer (Warwick)) 2023-02-15 16:00: Deeper into the mapping class group via configurations (Andreas Stavrou (Cambridge)) 2023-02-22 16:00: CR-twistor spaces over manifolds with G_2- and Spin(7)-structures (Hông Vân Lê (Czech Academy of Sciences)) 2023-03-01 16:00: Squeezed knots (Andrew Lobb (Durham)) 2023-03-08 16:00: Homological stability of diffeomorphism groups using E_k-algebras (Ismael Sierra (Cambridge)) 2023-03-15 16:00: Closed geodesics and intersection numbers (Yann Chaubet (Cambridge)) 2023-05-03 16:00: Canonical decomposition of rational maps (Mikhail Hlushchanka (Utrecht)) 2023-05-10 16:00: Stable equivalence relations of 4-manifolds (Daniel Kasprowski (Southampton)) 2023-05-17 16:00: Slice alternating knots, rational balls, and lattice embeddings (Brendan Owens (Glasgow) ) 2023-05-24 16:00: Symplectic invariants of Calabi-Yau threefolds (Aleksander Doan (UCL)) 2023-10-11 16:00: Infinite-dimensional Morse indices and new invariants of G2-manifolds (Laurence Mayther (Cambridge)) 2023-10-18 16:00: An h-principle for algebraic bundles and applications (Alexis Aumonier (Cambridge)) 2023-10-25 16:00: Distribution of random quasifuchsian surfaces in 3-manifolds (Vlad Markovic (Oxford)) 2023-11-01 16:00: Lagrangian link quasimorphisms and the non-simplicity of Hameomorphism group of surfaces (Cheuk Yu Mak (Southampton)) 2023-11-08 16:00: Type A symplectic Auslander correspondence (Ilaria Di Dedda (KCL)) 2023-11-15 16:00: Arborealization and the construction of Floer homotopy types for Weinstein manifolds (Abigail Ward (Cambridge)) 2023-11-22 16:00: Scalar curvature on manifolds with at least two ends (Rudolf Zeidler (Muenster)) 2023-11-29 16:00: Counting limit theorems for representations of Gromov-hyperbolic groups (Çağrı Sert (Universität Zürich)) 2024-01-24 16:00: Taut surgeries on curves and shortest geodesics (Macarena Arenas (Cambridge)) 2024-01-31 16:00: 2-torsion rational homology spheres and SL(2,C)-representations (Raphael Zentner (Durham)) 2024-02-14 16:00: Finite quotients and fibring with a view towards projective varieties (Sam Hughes (Oxford)) 2024-02-21 16:00: Associative submanifolds in G2 manifolds with symmetries (Federico Trinca (UCL)) 2024-02-28 16:00: Simple homotopy types of even dimensional manifolds (John Nicholson (Glasgow)) 2024-03-06 16:00: Distance in the pants graph and applications to hyperbolic geometry (Mehdi Yazdi (KCL)) 2024-03-13 16:00: Lagrangian cobordisms and K-theory of bielliptic surfaces (Álvaro Muñiz Brea (Edinburgh)) 2024-05-01 16:00: Generalized homology and symplectic cohomology (Baris Kartal (Edinburgh)) 2024-05-08 16:00: Group rings and hyperbolic geometry (Grigori Avramidi (MPIM)) 2024-05-15 16:00: Bounded cohomology of transformation groups of R^n (Francesco Fournier-Facio (Cambridge)) 2024-05-22 16:00: Homeomorphisms of contractible manifolds (Oscar Randal-Williams (Cambridge)) 2024-10-16 16:00: Homological mirror symmetry for K3 surfaces (Ailsa Keating (Cambridge)) 2024-10-23 16:00: Degeneration of Calabi-Yau metrics (Yang Li (Cambridge)) 2024-10-29 16:00: Special seminar: SYZ fibrations and tropical geometry (Jeff Hicks (Edinburgh)) 2024-10-30 16:00: Building non-positive curved spaces with tropical data (Jeff Hicks (Edinburgh)) 2024-10-31 10:00: Special seminar: Superabundance and Lagrangian submanifolds (Jeff Hicks (Edinburgh)) 2024-11-06 16:00: Open Gromov-Witten invariants in genus zero (Amanda Hirschi (Sorbonne)) 2024-11-13 16:00: The stable cohomology of block diffeomorphisms of connected sums of S^k × S^l (Robin Stoll (Cambridge)) 2024-11-20 16:00: The Real Spectrum Compactification of Character Varieties and its relationship with other compactifications (Victor Jaeck (ETH Zürich)) 2024-11-27 16:00: Scissors automorphism groups and their homology (Robin Sroka (Münster)) 2024-12-04 16:00: Fixed point Floer cohomology and the enumerative geometry of singular hypersurfaces (Maxim Jeffs (Cambridge)) 2025-02-12 16:00: Knot theory and complex curves (Matthew Hedden (Michigan State University)) 2025-02-16 16:00: Simplicial volume and aspherical manifolds (Marco Moraschini (Università di Bologna)) 2025-02-19 16:00: Simplicial volume and aspherical manifolds (Marco Moraschini (Università di Bologna)) 2025-03-05 16:00: Ambidextrous homology theories (Jeremy Hahn (Cambridge)) 2025-03-12 16:00: Nonsqueezable Klein bottles (Jonny Evans (Lancaster)) 2025-03-13 11:15: Almost toric yoga for stable double surfaces (Part I) (Jonny Evans (Lancaster)) 2025-03-14 10:30: Almost toric yoga for stable double surfaces (Part II) (Jonny Evans (Lancaster)) 2025-05-14 16:00: Profinite rigidity of Kähler groups (Claudio Llosa Isenrich (KIT)) 2025-05-28 16:00: Typical hyperbolic surfaces have an optimal spectral gap (Laura Monk (Bristol)) 2026-02-04 16:30: A 4-dimensional pseudo-Anosov homeomorphism (Bruno Martelli (Pisa))