# British Mathematical Colloquium

This was held at Leicester: Leicester 2011.

The enrolment was 230.

Organisers were J R Hunton

### Minutes of meetings, etc. are available at the links below

#### The plenary speakers were:

Gowers, T | Polymath and the density Hales-Jewett theorem |

Lindenstrauss, E | From multiplying by 2 and 3 to quantum unique ergodicity |

Pedit, F | Advances in surface geometry: theory and experiment |

Rouquier, R | Higher Representation Theory |

Vogtmann, K | The topology and geometry of automorphism groups of free groups |

#### The morning speakers were:

Greenlees, J | Homotopy invariant commutative algebra: rings, groups and spaces |

Hurder, S | Invitation to Matchbox Manifolds |

Hyland, M | What is a linear theory? |

Jacob, N | Metric Spaces Isometric to Hilbert Spaces, Metric Measure Spaces, and the Transition Densities of Levy Processes |

Joyce, D | Derived differential geometry |

Kim, M | Homotopy theory and Diophantine geometry |

Rietsch, K | On mirror symmetry for Grassmannians |

Roney-Dougal, C | Generation of finite groups |

Shank, J | Modular Invariant Theory |

Sidorova, N | Localisation and ageing in the Parabolic Anderson model |

Ward, T | Group automorphisms from a dynamical point of view |

#### Public lectures

Harman, D | Presentation and Discussion on Mathematics and the EPSRC |

Penrose, R | Seeing Through the Big Bang into Another World: an Exercise in Conformal Geometry |

#### Special session: Algebraic Topology, Organizers: A Baker, A Lazarev

Barnes, B | Monoidality of Exotic Models for Localised Spectra |

Giansiracusa, G | The geometry of the Miller-Morita-Mumford characteristic classes of surface bundles |

Lambrechts, L | |

Pridham, P | n-types, higher Lie groupoids and higher stacks |

Roendigs, R | Hermitian K-theory and algebraic K-theory |

Schlichtkrull, S | Applications of diagram spaces |

Vishik, V | Symmetric operations in Algebraic Cobordism |

#### Special session: Differential Geometry,Organizers: M Haskins, K Leschke

Calderbank, C | Ambitoric structures: from general relativity to Kahler geometry |

Donaldson, D | Kahler metrics with cone singularities along a divisor |

Hein,, H | Imperial College An update on gravitational instantons |

Hitchin, H | Holomorphic Poisson manifolds and their deformations |

Veselov, V | Universal flat connections and stable rational curves |

#### Special session: Dynamical Systems, Organizers: A Clark, S Hurder

Bruin, B | Monotonicity of topological entropy in polynomial families |

Jordan,, J | University of Bristol Multifractal analysis for Birkhoff averages for countable Markov maps |

Sharp,, S | University of Manchester Spectral triples and Gibbs measures on Cantor sets |

Urbanski,, U | University of North Texas Regularity properties of Hausdorff dimension |

#### Special session: Harmonic and Geometric Analysis, Organizers: J Bennett, N Bez

Barthe, B | Spectral gaps and symmetries |

Maleva, M | Universal differentiability sets and geometric measure theory |

Sisask, S | Arithmetic progressions and L^p -almost-periodicity via random sampling |

Wright, W | Problems related to averages and lacunary maximal functions |

#### Special session: Number Theory and Algebraic Geometry, Organizers: M Kim, F Neumann

Elkin, E | Ekedahl-Oort strata of Artin-Schreier curves in characteristic 2 |

Gangl, G | Harmonic polylogarithms and tensor calculu |

Noohi, N | Galois cohomology of crossed-modules and cohomology of reductive groups |

Ramero, R | Cohomological epsilon factors and p-adic analytic geometry |

Yafaev, Y | The Andre-Oort Conjecture |

#### Special session: Representation Theory, Organizers: J Chuang, N Snashall

Erdmann, E | Block components of the Lie module for the symmetric group |

Jorgensen, J | Ptolemy diagrams and torsion pairs in cluster categories of Dunkin type A |

Meng, M | Tan Lie powers and Lie modules |

Paget, P | Foulkes modules for symmetric groups |

Turner, T | The Weyl extension algebra for GL |

Williamson, W | Coxeter groups, Soergel bimodules and higher representation theory |