Previous Talks
Spring Term 2011 (edit)
Autumn Term 2010 (edit)
Summer Term 2010 (edit)
Spring Term 2010 (edit)
Autumn Term 2009 (edit)
Summer Term 2009 (edit)
Spring Term 2009
| Speaker | Date | Location | Title |
|---|---|---|---|
| Ed Segal | Tuesday 20th Jan | Maths Institute | A gentle introduction to Quantum Field Theory |
| James Otterson | Tuesday 27th Jan | The Smith Invariant | |
| Ronan Conlon | Tuesday 9th Feb | Hyperbolic 2-manifolds | |
| Stuart Hall | Tuesday 16th Feb | Ricci Solitons | |
| Cristiano Spotti | Tuesday 9th Mar | The Cheeger Gromoll Splitting Theorem | |
| John Calabrese | Tuesday 23rd Mar | Topological Construction of Chern Classes |
Autumn Term 2008
| Speaker | Date | Location | Title |
|---|---|---|---|
| Stuart Hall | Mon 13th Oct | Maths Institute | Kodaira Embedding and L^2 Estimates for d-bar |
| Will Donovan | Mon 20 Oct | The Derived Category of Coherent Sheaves | |
| Dominic Wright | Mon 27th Oct | The curvature tensor in 4 dimensions | |
| James Otterson | Mon 3rd Nov | Hilbert Schemes | |
| Ronan Conlon | Mon 10th Nov | Geometrization of 3-manifolds | |
| Dmitri Panov | Mon 17th Nov | The Riemann-Roch Theorem | |
| Soenke Rollenske | Mon 24th Nov | Classification of compact complex surfaces | |
| Andrew Lobb | Mon 1st Dec | TBA | |
| Cristiano Spotti | Mon 8th Dec | Convergence of the Kahler-Ricci Flow | |
Summer Term 2008
| Speaker | Date | Location | Title |
|---|---|---|---|
| Ed Segal | Tue 6th May | Maths Institute | Equivariant Cohomology |
| Dominic Wright | Tue 13th May | HyperKahler, Hypercomplex and Quaternionic manifolds | |
| Will Donovan | Fri 30th May | Generalized Dehn twists | |
| David Stewart | Tue 3rd June | Orbits and subgroup structure | |
| James Newton | Tue 10th June | Modular Forms | |
Spring Term 2008
| Speaker | Date | Location | Title |
|---|---|---|---|
| Dominic Wright | Mon 14th January | Maths Institute | An introduction to twistor theory |
| James Otterson | Tue 22nd January | An introduction to the Seiberg-Witten equations | |
| Tom Coates | Tue 29th January | 3-Manifolds via surgery | |
| Ronan Conlon | Tue 5th February | Ricci flow, Perelman's L-length and applications | |
| Sven Meinhardt | Tue 12th February | An introduction to stability conditions | |
| Stuart Hall | Tue 19th February | Numerical Kaehler-Ricci and Calabi flows | |
| Dmitri Panov | Tue 26th February | Constructions of 4 dimensional symplectic manifolds | |
| Soenke Rollenske | Tue 4th March | A holomorphic symplectic manifold with singular deformation space. | |
| Will Donovan | Tue 11th March | Gromov-Witten invariants for the complex projective plane | |
Autumn Term 2007
| Speaker | Date | Location | Title |
|---|---|---|---|
| Dominic Wright | Mon 8th October | Maths Institute | Toric symplectic manifolds |
| Jacopo Stoppa | 15th October | An introduction to geometric invariant theory | |
| Mario Garcia Fernandez | 22nd October | The Kempf-Ness theorem | |
| Will Dison | 29th October | An isoperimetric function for Bestvina-Brady groups | |
| Ed Segal | Mon 5th November | Sheaf cohomology | |
| Stuart Hall | 12th November | Moment maps and scalar curvature | |
| Henrique Sá Earp | 26th November | Anti-self-dual Yang-Mills connections | |
| Will Donovan | Mon 3rd December | Complex vector bundles and Chern classes | |
| Minette D'Lima | 10th December | The algebraic fundamental group | |
Summer term 2007
| Speaker | Date | Location | Title |
|---|---|---|---|
| Stuart Hall | Mon 14th May | Maths Institute | Manifolds of non-negative sectional curvature |
| Dominic Wright | Mon 21st May | Compact 4-orbifolds with torus actions | |
| Ed Segal | Mon 4th June | Topological conformal field theories | |
| James Otterson | Mon 11th Jun | First steps in Yang-Mills | |
| Will Dison | Mon 18th Jun | The second relative homotopy group | |
| Jacopo Stoppa | Mon 25th Jun | The tautologucal ring of the moduli space of curves |
Spring term 2007
| Speaker | Date | Location | Title |
|---|---|---|---|
| Ed Segal | Mon 15th Jan | Maths Institute | The Leray-Serre Spectral Sequence |
| Jacopo Stoppa | Mon 22nd Jan | The Mass-Transportation Approach to Sharp Sobolev Inequalities | |
| Dominic Wright | Mon 29th Mar | The Chern-Weil Theory of Characteristic Classes | |
| Stuart Hall | Mon 5th Feb | Minimal Surfaces | |
| Dmitri Panov | Mon 12th Feb | The Geometry of SO(4) | |
| Kevin McGerty | Mon 19th Feb | The Lefschetz Hyperplane Theorem | |
| Julien Keller | Mon 26th Feb | Balanced Metrics and Bergman Kernels | |
| Henrique Sá Earp | Mon 5th Mar | Kovalev's G2 Manifolds | |
| James Otterson | Mon 12th Mar | Contact Geometry and Lagrangians |
Autumn term 2006
| Speaker | Date | Location | Title |
|---|---|---|---|
| Ed Segal | Mon 9th Oct | Maths Institute | Moduli Spaces and Representable Functors |
| Jacopo Stoppa | Mon 16th Oct | Introduction to Complex Geometry | |
| Joel Fine | Mon 23rd Oct | Introduction to Characteristic Classes | |
| Dominic Wright | Mon 30th Oct | Introduction to Holonomy | |
| Gábor Székelyhidi | Mon 6th Nov | Moment Maps and Stability | |
| Paolo Stellari | Mon 13th Nov | Introduction to the Geometry of K3 Surfaces | |
| Owen Jones | Mon 20th Nov | Root Systems and Lie Algebras | |
| James Otterson | Mon 27th Nov | Momentum Maps and Reduction | |
| Stuart Hall | Mon 4th Dec | Curvature and Topology | |
| Francesco Polizzi | Mon 11th Dec | Automorphisms of Riemann Surfaces |
Summer term 2006
| Speaker | Date | Location | Title |
|---|---|---|---|
| Henrique Sá Earp | Mon 15th May | IMS | Elementary Chern-Simons Theory |
| Dominic Wright | Mon 22nd May | Minitwistors | |
| James Otterson | Mon 5th June | Introduction to Foliation Theory | |
| Jacopo Stoppa | Mon 12th June | The Futaki Invariant and Odd Symplectic Grassmannians | |
| Ed Segal | Mon 19th June | The Derived Category of P^1 |
Spring term 2006
| Speaker | Date & Time | Location | Title |
|---|---|---|---|
| Joel Fine | Mon 23rd Jan 06, 4pm | 48 Prince's Gardens | An Introduction to Twistor Geometry |
| Ben Weinkove | Mon 30th Jan | The Calabi Conjecture | |
| Joel Fine | Mon 6th Feb | Introduction to Spinors | |
| Henry Wilton | Mon 13th Feb | The Thurston Boundary of Teichmüller Space | |
| Yann Rollin | Mon 20th Feb | The Seiberg-Witten Equations | |
| CALF: | Thurs 23rd Feb | ||
| Elizabeth Baldwin | 1pm | Moduli of Stable Maps as a GIT Quotient | |
| Mark McLean | 2.30pm | Symplectic Homology | |
| Ed Segal | Mon 27th Feb | Derived Categories and Derived Functors | |
| Imma Gálvez | Mon 13th Mar | Vertex Operator Algebras, Elliptic Genera and the Chiral de Rham Complex | |
| Will Dison | Mon 20th Mar | Automatic Groups |
Autumn term 2005
| Speaker | Date & Time | Location | Title |
|---|---|---|---|
| Ed Segal | Mon 10th Oct 05, 4pm | 48 Prince's Gardens | Introduction to Algebraic Geometry |
| Gábor Székelyhidi | Mon 17th Oct 05, 4pm | Introduction to Symplectic Geometry | |
| Misha Feigin | Mon 24th Oct 05, 4pm | Frobenius structures related to Coxeter groups | |
| Dmitri Panov | Mon 31st Oct 05, 4pm | Examples of Orbifolds | |
| Henry Wilton | Mon 7th Nov 05, 4pm | Subgroup Separability from a Topological Point of View | |
| Henrique Sá Earp | Mon 14th Nov 05, 4pm | Introduction to G2-Instantons | |
| Ed Segal | Thurs 24th Nov 05, 1pm | CALF: Operads and the Moduli of Curves | |
| Alex Paulin | 3pm | An Introduction to Rigid Geometry | |
| Dominic Wright | Mon 28th Nov 05, 4pm | Stable Forms and Calabi-Yau Manifolds | |
| Yann Rollin | Mon 5th Dec 05, 4pm | Morse Homology | |
| Michael Tweedale | Mon 12th Dec 05, 4pm | An Introduction to the Bass Conjecture |
Summer term 2005
| Speaker | Date & Time | Location | Title |
|---|---|---|---|
| Henry Wilton | 18 April 2005, 4pm | Huxley 642 | Geometrization I: An introduction to Thurston's geometrization conjecture |
| Tim Perutz | 25 April 2005, 4pm | Huxley 642 | Near-symplectic topology of 4-manifolds |
| Mark Haskins | Wednesday 4 May, 4pm | Huxley 658 | Geometrization II: Hamilton's and Perelman's approach via Ricci flow |
| Ed Segal | 9 May 2005, 4pm | Huxley 408 | The MNOP conjectures |
| Joel Fine | 16 May 2005, 4pm | Huxley 408 | The h-principle |
| Michael Tweedale | 23 May 2005, 4pm | Huxley 408 | Algebraic K-theory after Quillen |
| Richard Thomas | Wednesday 1 June 2005, 3pm | Huxley 540 | Toric geometry III: the dual picture |
| Will Dison | 6 June 2005, 4pm | Huxley 408 | Quasi-isometric rigidity of lattices in Sol |
| Kevin Costello | 13 June 2005, 4pm | Huxley 408 | Super geometry |
Winter term 2005
| Speaker | Date & Time | Location | Title |
|---|---|---|---|
| Fred Witt | 10 January 2005, 1.30pm | Huxley 642 | Generalised G2-manifolds |
| Henry Wilton | 17 January 2005, 1.30pm | Huxley 642 | How not to prove the Poincaré conjecture |
| Richard Thomas | 24 January 2005, 1.30pm | Huxley 642 | Toric geometry I: Symplectic toric geometry |
| Michael Tweedale | 31 January 2005, 1.30pm | Huxley 642 | Classifying spaces for proper actions and Bredon cohomology |
| Ed Segal | 7 February 2005, 1.30pm | Huxley 642 | Equivariant cohomology |
| Joel Fine | 14 February, 1.30pm | Huxley 642 | An introduction to twistors in four-dimensional Riemannian geometry |
| Richard Thomas | Friday 18th February, 1.30pm | Huxley 140 | Toric geometry II: The Legendre transform |
| Gábor Székelyhidi | 21st February, 1.30pm | Huxley 642 | Extremal metrics and stability |
| Will Dison | 28 February 2005, 1.30pm | Huxley 642 | Dehn functions and isoperimetric inequalities |
| Michael Plummer | 7 March 2005, 1.30pm | Huxley 642 | Symplectic reduction |
| Shu Sasaki | Thursday 10th March, 1pm | Huxley 139 | Crystalline cohomology and crystals |
| Imma Galvez | 14 March 2005, 1.30pm | Huxley 642 | A walk through the landscape of elliptic genera |
Autumn term 2004
| Speaker | Date & Time | Location | Title |
|---|---|---|---|
| Sébastien Racanière | 4 October 2004, 4pm | Huxley 642 | A 'quasi' approach to Poisson structures on non-rotating BTZ black holes |
| Michael Tweedale | 11 October 2004, 2pm | Huxley 642 | Crossed modules, pictures, and 2-dimensional topology |
| Will Dison | 18 October 2004, 2pm | Huxley 642 | Cohomology of finite groups |
| Gábor Székelyhidi | 26 October 2004, 4pm | Huxley 642 | Elliptic operators and the Atiyah–Singer index theorem |
| Henry Wilton | 1 November 2004, 2pm | Huxley 642 | Algebraic geometry over groups |
| Misha Feigin | 8 November 2004, 2pm | Huxley 642 | Spherical functions and symmetric powers of the projective plane |
| Matthew Gould | 15 November 2004, 2pm | Huxley 642 | Lefschetz fibrations and monodromy |
| Henrique Sá Earp | 22 November 2004, 2pm | Huxley 642 | What I think A. Connes means by a non-commutative manifold |
| Ed Segal | 29 November 2004, 2pm | Huxley 642 | Closed geodesics |
| Colin Cotter | 6 December 2004, 2pm | Huxley 642 | Variational principles for diffeomorphism groups |
| Kevin Costello | 13 December 2004, 2pm | Huxley 642 | Kontsevich's formality theorem |
Summer term 2004
| Speaker | Date & Time | Location | Title |
|---|---|---|---|
| Dmitri Panov | 10 May 2004, 4pm | Huxley 130 | Gauss–Bonnet theorem for a 2-sphere with an integral affine structure |
| Tim Perutz | 17 May 2004, 4pm | Huxley 130 | Topological field theories and the Alexander polynomial |
| Gábor Székelyhidi | 24 May 2004, 4pm | Huxley 130 | Complex dynamics and quasiconformal maps |
| Henry Wilton | Wednesday 2 June 2004, 11am | Huxley 139 | Bass–Serre theory |
| Kevin Costello | 7 June 2004, 4pm | Huxley 130 | Grothendieck's Riemann–Roch Theorem |
| Tom Hodge | 14 June 2004, 4pm | Huxley 540 | Rank 1 Higgs bundles and representations of surface groups |
| Michael Tweedale | 21 June 2004, 4pm | Huxley 540 | Ends of groups and compact Kähler manifolds |
Winter term 2004
| Speaker | Date & Time | Location | Title |
|---|---|---|---|
| Michael Tweedale | 12 January 2004, 4pm | Huxley 658 | L^2 cohomology and Gromov's Kähler hyperbolicity |
| Tim Perutz | 19 January 2004, 4pm | Huxley 658 | Compact Kähler manifolds not homotopy equivalent to projective manifolds |
| Henry Wilton | 26 January 2004, 4pm | Huxley 658 | Automorphisms of surfaces |
| Kevin Costello | 2 February 2004, 4pm | Huxley 658 | Deformation theory, dg Lie algebras and derived moduli spaces |
| Richard Thomas | 9 February 2004, 4pm | Huxley 658 | Bend and break |
| Toby Gee | 16 February 2004, 4pm | Huxley 658 | Honda–Tate theory |
| Jeremy Bryant | 8 March 2004, 4pm | Huxley 658 | Floer homology and 4-manifold invariants |
| Diego Matessi | 15 March 2004, 4pm | Huxley 658 | Spectral Sequences |
| Joel Fine | 22 March 2004, 4pm | Huxley 658 | Introduction to geometric K-theory |
Autumn term 2003
| Speaker | Date & Time | Location | Title |
|---|---|---|---|
| Joel Fine | 6 October 2003, 4pm | Huxley 540 | The continuity method, I: hyperbolic metrics on surfaces |
| Michael Tweedale | 13 October 2003, 4pm | Huxley 540 | The Adams spectral sequence and the Steenrod algebra |
| Tim Perutz | 20 October 2003, 4pm | Huxley 540 | Realising homology classes by submanifolds |
| Sebastien Racaniere | 27 October 2003, 4pm | Huxley 540 | Quantisation and C*-algebras |
| Julius Ross | 3 November 2003, 4pm | Huxley 540 | Stability of algebraic varieties |
| Joel Fine | 10 November 2003, 4pm | Huxley 540 | Constant scalar curvature Kähler metrics on fibred complex surfaces |
| Kevin Costello | 17 November 2003, 4pm | Huxley 540 | Operads and the moduli space of curves |
| Henry Wilton | 24 November 2003, 4pm | Huxley 540 | JSJ decomposition of groups |
| Thomas Hodge | 1 December 2003, 4pm | Huxley 540 | Hyperkähler extension of Teichmüller space |
| Diego Matessi | 8 December 2003, 4pm | Huxley 540 | Compact G2 manifolds |
Summer term 2003
| Speaker | Date & Time | Location | Title of Talk |
|---|---|---|---|
| Thomas Hodge | 24 June 2003, 4pm | Huxley 642 | Quasi-Fuchsian spaces and simultaneous uniformisation |
| Joel Fine | 9 June 2003, 4pm | Huxley 642 | The h-principle |
| Toby Gee | 2 June 2003, 4pm | Huxley 642 | Stacks |
| Andrea Tomatis | 26 May 2003, 4pm | Huxley 642 | G2 Manifolds |
| Sebastian Boucksom | 19 May 2003, 4pm | Huxley 642 | Regularisation of closed positive currents and some geometric applications |
| Julius Ross | 19 May 2003, 4pm | Huxley 642 | Kähler–Einstein Manifolds |
| Vivien Easson | 5 May 2003, 4pm | Huxley 642 | The Ahlfors conjecture for Kleinian groups |
| Henry Wilton | 28 April 2003, 4pm | Huxley 642 | Hyperbolic spaces, R-trees and outer automorphism groups |
Winter term 2003
| Speaker | Date & Time | Location | Title of Talk |
|---|---|---|---|
| Jonathan Munn | 17 March 2003, 2pm | Huxley 642 | The ADHM Contruction of Instantons (Big matrices with nasty coefficients) |
| Diego Matessi | 10 March 2003, 4pm | Huxley 642 | Topological Mirror Symmetry |
| Tom Hodge | 3 March 2003, 4pm | Huxley 642 | Hyperkähler extensions of moduli spaces in gauge theory |
| Gianni Manno | 24 Feburary 2003, 4pm | Huxley 642 | Jet methods for symmetries of Partial Differential Equations |
| Andrea Miranda | 24 Feburary 2003, 5pm | Huxley 642 | Geometric theory of the measure and Heisenberg group space |
| Tim Perutz | 10 Feburary 2003, 4pm | Huxley 642 | de Rham homotopy theory |
| Michael Tweedale | 3 Feburary 2003, 4pm | Huxley 642 | Morse theory on polyhedral cell complexes |
| Brendan Owens | 17 January 2003, 4pm | Huxley 642 | The 4-ball genus of knots |
| Etienne Mann | 27 January 2003, 4pm | Huxley 642 | Frobenius manifolds |
Autumn term 2002
| Speaker | Date & Time | Location | Title of Talk |
|---|---|---|---|
| Joel Fine | 7 October, 4pm | Huxley 642 | Scalar curvature and variations of complex structures |
| Julius Ross | 14 October, 4pm | Huxley 642 | Gentle Introduction To Geometric Invariant Theory |
| Tommaso Paccini | 21 October, 4pm | Huxley 642 | Mirror Symmetry nach Leung, Yau und Zaslow |
| Thomas Hodge | 28 October, 4pm | Huxley 642 | Symplectic Reduction and GIT |
| Sebastien Racaniere | 4 November, 4pm | Huxley 642 | Bott periodicity |
| Michael Tweedale | 11 November, 4pm | Huxley 642 | Singularities of Complex Analytic Curves |
| Henry Wilton | 18 November, 4pm | Huxley 642 | Eight Model Geometries in Dimension Three |
| Tim Perutz | 25 November, 4pm | Huxley 642 | Characteristic classes and cohomology operations |
| Julius Ross | 5 December, 4pm | Huxley 642 | More Geometric Invariant Theory—this time applied to the Moduli of Sheaves |
Summer term 2002
| Speaker | Date & Time | Location | Title of Talk |
|---|---|---|---|
| Julius Ross | 22nd April, 1600 | Huxley 540 | Introduction to toric varieties |
| Tommaso Pacini | 29th April, 1600 | Huxley 540 | Mean Curvature Flow for Dummies |
| Tim Perutz | 6th May, 1600 | Huxley 540 | Spin^c structures, complex spinors and the Seiberg–Witten equations (sw.ps, sw.tex) |
| Tim Perutz | 20th May, 1600 | Huxley 540 | Seiberg–Witten invariants of Kähler surfaces |
| Joel Fine | 30th May, 1600 | Huxley 540 | An instanton over a product of curves; an example of an adiabatic limit |
| Aleksis Raza | 20th June, 1600 | Huxley 540 | Kähler & symplectic toric varieties |
Winter term 2002
| Speaker | Date & Time | Location | Title of Talk |
|---|---|---|---|
| Ed Nevens | 14th January, 1500–1540 & 1600–1640 | Huxley 6M42 | p-adic analysis & Easy rigid analytic varieties (two talks) |
| Toby Gee | 21st January, 1600 | Huxley 6M42 | Cech–de Rham complex and the de Rham theorem |
| Andrea Tomatis | 28th January, 1600–1700 | Huxley 6M42 | Spectral sequences |
| Joel Fine | 4th Febuary, 1600–1700 | Huxley 6M42 | Heegard diagrams |
| Richard Thomas | 11th Febuary, 1600 | Huxley 6M42 | The Legendre transform and symplectic geometry |
| Tim Perutz | 18th Febuary, 1600–1700 | Huxley 6M42 | Root systems |
| Gianluca Allemandi | 25th Febuary, 1530–1700 hrs | Huxley 540 | Noether's Theorem |
| Dan Snaith | 11th March, 1600–1700 | Huxley 6M42 | Lie algebras and the representations thereof |
| Aleksis Raza | 18th March, 1600 | Huxley 6M42 | Representations of sl(3,C) |
Autumn term 2001
| Speaker | Date & Time | Location | Title of Talk |
|---|---|---|---|
| Julius Ross | 29th October 2001, 1600 hrs | Huxley 642 | Čech cohomology |
| Joel Fine | 29th October 2001, 1600 hrs | Huxley 642 | Morse theory |
| Tim Perutz | 5th November 2001, 1600 hrs | Huxley 642 | Riemann–Roch theorem on surfaces (Bonfire Night Special) |
| Andrea Tomatis | 12th November 2001, 1600 hrs | Huxley 642 | Non-commutative geometry |
| Aleksis Raza | 19th November 2001, 1600 hrs | Huxley 642 | Clifford algebras, spin structures & the Dirac operator |
| Tom Hodge | 26th November 2001, 1600 hrs | Huxley 642 | Equivalent forms of the Kähler Condition—can space monsters mate with earth women? |
| James Smith | 3rd December 2001, 1600 hrs | Huxley 642 | Sobolev spaces |
| Joel Fine and Julius Ross | 10th December 2001, 1600 hrs | Huxley 642 | Hodge theory |
Summer term 2001
| Speaker | Date & Time | Location | Title of Talk |
|---|---|---|---|
| Joel Fine | 1st May 2001, 1600 hrs | Huxley 540 | Families of connections |
| Julius Ross | 14th May 2001, 1600 hrs | Huxley 642 | Geometric invariant theory |
| Aleksis Raza | 28th May 2001, 1530 hrs | Huxley 642 | Self-dual 4-manifolds |
| Andrea Tomatis | 12th June 2001, 1600 hrs | 412 (King's College) | Morse theory |
Winter term 2001
| Speaker | Date & Time | Location | Title of Talk |
|---|---|---|---|
| Lloyd Kilford | 8th January 2001, 1500 hrs | Huxley 658 | Hecke operators |
| Daniel Jacobs | 17th January 2001, 1500 hrs | Huxley 658 | Group cohomology |
| Joel Fine | 2nd Febuary 2001, 1500 hrs | Huxley 658 | de Rham cohomology: a crash course in differential geometry |
| Ed Nevens | 15th Febuary 2001, 1500 hrs | Huxley 658 | Galois cohomology |
| Julius Ross | 3rd March 2001, 1500 hrs | Huxley 658 | Čech cohomology |
| Laura Basile | 14th March 2001, 1500 hrs | Huxley 658 | Étale cohomology |
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