Previous Algebra, Geometry and Number Theory Seminars at Bath

Previous Algebra, Geometry and Number Theory Seminars at Bath

Current AGNT Seminars are here

Spring 2024

Thu 1 Feb	Ivan Cheltsov (Edinburgh) Equivariant geometry of singular cubic threefolds
Thu 8 Feb	Tomasz Przezdziecki (Edinburgh) Drinfeld rational fractions for affine Kac-Moody quantum symmetric pairs
Thu 15 Feb	Matt Westaway (Birmingham) Induction of nilpotent orbits and covers
Thu 22 Feb	Laurence Mayther (Cambridge) New mu-invariants: infinite-dimensional Morse indices and new invariants of G₂-manifolds
Thu 29 Feb	Nathan Broomhead (Plymouth) Convex geometry for fans of triangulated categories
Thu 7 Mar	Tim Magee (KCL) Fundamentals of broken-line convex geometry
Thu 14 Mar COW seminar	Itay Glazer (Oxford) Singularity properties of word maps and applications to random walks on compact p-adic groups Gergely Bérczi (Aarhus) Geometry of the Hilbert scheme of points on manifolds Dominic Bunnett (TU Berlin) Geometry of some moduli spaces of hypersurfaces
Thu 21 Mar	Beth Romano (KCL) Graded Lie algebras and families of algebraic curves
Thu 28 Mar	PhD short talks
Thu 18 Apr	Thorsten Hertl (Freiburg) Moduli spaces of G₂ manifolds may have holes
Thu 25 Apr	Johannes Nordström (Bath) Rational homotopy theory of 7- and 8-manifolds
Thu 2 May	Behrang Noohi (QMUL) Group actions on stacks
Thu 13 June	Barbara Fantechi (SISSA Trieste) The stack of coherent zero dimensional sheaves

Autumn 2023

Thu 12 Oct	Tudor Ciurca (Bath) Irrationality of cubic threefolds in characteristic 2
Thu 19 Oct	Lorenzo Foscolo (UCL) Hypertoric varieties, W-Hilbert schemes and Coulomb branches
Thu 26 Oct	Qaasim Shafi (Birmingham) Curve counting on toric surfaces
Thu 2 Nov	Hao Chang (Central China Normal University) Syzygy functions for endotrivial modules
Thu 9 Nov	Hannah Dell (Edinburgh) Stability conditions on free abelian quotients
Thu 16 Nov	Tom Holt (Bath) Hilbert complexes on non-compact complex manifolds
Thu 23 Nov	Al Kasprzyk (Nottingham) Machine learning detects terminal singularities
Thu 30 Nov	Ali Craw (Bath) The Le Bruyn-Procesi theorem and Hilbert schemes
Thu 7 Dec	Thomas Cottrell (Bath) Enriched and internal categories: an extensive relationship
Thu 14 Dec	Fran Burstall (Bath) Isothermic surfaces and conservation laws

Spring 2023

Tue 24 Jan	Ali Uncu (Bath) Recent progress on cylindric partitions and A₂ Rogers-Ramanujan identities
Tue 7 Feb	Gareth Tracey (Warwick) How many subgroups are there in a finite group?
Fri 10 Feb	Ryo Yamagishi (NTU, Taiwan) Moduli spaces of G-constellations
Tue 21 Feb	Liana Heuberger (Bath) Q-Fano threefolds and how to construct them
Tue 28 Feb	Tim Santens (Leuven) The arithmetic of stacky curves
Tue 7 Mar	Juan Villarreal (Bath) The Lie algebra sl₂-hat and some of its modules
Tue 14 Mar	Matt Chaffe (Birmingham) Category O for truncated current Lie algebras
Tue 28 Mar	Alastair King (Bath) Constant friezes
Tue 18 Apr	Ragini Singhal (Humboldt) Deformation theory of nearly G₂ manifolds
Tue 25 Apr	Hal Schenck (Auburn) Algebraic Geometry meets Numerical Analysis
Tue 2 May	Christian Liedtke (TU Munich) Rational curves on K3 surfaces
Tue 9 May	Laura Schaposnik (University of Illinois at Chicago) A map of Higgs bundles, generalized hyperpolygons, and more
Tue 16 May	Oscar Finegan (Cardiff) Derived intersection products
Tue 23 May	Inder Kaur (Loughborough) Birational geometry on blow-ups of projective spaces
Tue 30 May	Harkaran Uppal (Bath) Integral points on diagonal affine cubic surfaces
Tue 6 June	Christian Böhning (Warwick) Equivariant birational geometry of cubic fourfolds and derived categories
Tue 13 June	Tomoyuki Arakawa (RIMS) 4D/2D duality and representation theory

Autumn 2022

Tue 11 Oct	Liana Heuberger (Bath) ADE classifications, the McKay correspondence and quivers
Tue 18 Oct	Judith Ortmann (Hannover) Counting integral points on a del Pezzo surface via the universal torsor method
Tue 25 Oct	Julian Lyczak (Bath) On the existence of rational solutions to polynomial equations
Tue 1 Nov	Calla Tschanz (Bath) Expanded degenerations for Hilbert schemes of points
Tue 8 Nov	Ed Segal (UCL) Circle actions in mirror symmetry
Tue 15 Nov	Flora Poon (Bath) Kodaira dimension of Kuga varieties
Tue 22 Nov	Lang Mou (Cambridge) Categorification of some skew-symmetrizable cluster algebras
Tue 29 Nov	Chris Bowman (York) What has p-Kazhdan—Lusztig theory done for us?
Tue 6 Dec	Andrea Santi (Rome) G(3) supergeometry and a supersymmetric extension of the Hilbert–Cartan equation
Tue 13 Dec	Matt Turner (Bath) G₂-instantons on the spinor bundle over the 3-sphere

Spring 2022

Tue 8 Feb	Lucas Mason Brown (Oxford) Arthur's conjectures, the orbit method, and refined Barbasch-Vogan duality
Tue 22 Feb	Jakob Stein (UCL) Calabi–Yau gauge theory with symmetries
Tue 1 Mar	Samuel Johnston (Bath) The combinatorial approach to the Jacobian conjecture
Tue 8 Mar	Steven Flynn (Bath) The spectral decomposition of Heisenberg ray transforms
Tue 15 Mar	Vlad Mitankin (Hannover) Integral points on diagonal affine quadrics
Tue 22 Mar	Ming Ng (Birmingham) Adelic Geometry via Topos Theory
Tue 5 Apr	Fran Burstall (Bath) Eigenfunctions and representation theory
Tue 26 Apr	Gunnar Traustason (Bath) Powerfully nilpotent, solvable and simple groups
Tue 3 May	Emine Yildirim (Cambridge) Cluster categories: classical, discrete and beyond
Tue 10 May	Oishee Banerjee (Bonn) Filtration of cohomology via symmetric semisimplicial spaces
Tue 17 May	Sandro Mattarei (Lincoln) Narrow groups and Lie algebras

Autumn 2021

Thr 30 Sept	Neil Saunders (Greenwich) Exotic Springer fibres and partial flag varieties
Tue 19 Oct	Lewis Topley (Bath) Representations of Lie algebras: the orbit method and W-algebras. Part I
Tue 26 Oct	Lewis Topley (Bath) Representations of Lie algebras: the orbit method and W-algebras. Part II
Tue 2 Nov	Lewis Topley (Bath) Representations of Lie algebras: the orbit method and W-algebras. Part III
Tue 9 Nov	Anastasia Hadjievangelou (Bath) Left 3-Engel elements in locally finite p-groups
Tue 16 Nov	Robert Brown (Bath) Affine Seaweed Lie algebras: finding open orbits using quiver representation theory
Tue 23 Nov	Ekaterina Shemyakova (University of Toledo, Ohio) On super Plücker embedding and cluster algebras
Tue 30 Nov	Calum Ross (UCL) Periodic instantons with small period
Tue 7 Dec	Efthymios Sofos (Glasgow) Gaps between prime divisors and analogues in Diophantine geometry

Spring 2021

Tue 2 Feb	Lars Martin Sektnan (Aarhus) Z-critical connections and Bridgeland stability conditions
Tue 9 Feb	Ronno Das (University of Chicago) Points and lines on cubic surfaces
Tue 16 Feb	Maciej Dunajski (Cambridge) Null-Kähler geometry
Tue 23 Feb	Johannes Nicaise (Imperial/Leuven) Tropical obstructions to stable rationality
Tue 2 Mar	Giulio Bresciani (Freie Universität Berlin) Is there any polynomial bijection from Q x Q to Q?
Tue 9 Mar	Guido Franchetti (Bath) Monopoles, instantons and adiabatic dynamics
Tue 23 Mar	Kirsten Wickelgren (Duke) An excess intersection formula enriched in bilinear forms
Tue 13 Apr	Tim Magee (Kings College London) Convexity in tropical spaces and compactifications of cluster varieties
Tue 20 Apr	Siddharth Mathur (Düsseldorf) Searching for the impossible Azumaya algebra
Tue 27 Apr	Tyler Kelly (Birmingham) Hypergeometric decompositions for invertible pencils
Tue 4 May	Sam Crew (Bath) Gauge theory, integrability and curve counting

Autumn 2020

Tue 6 Oct	Gregory Sankaran A supersingular coincidence
Tue 13 Oct	Marialaura Noce (Göttingen) Groups of automorphisms of rooted trees: an overview
Tue 20 Oct	Jarek Wiśniewski (Warsaw) Quaternion-Kähler manifolds via algebraic torus action on projective contact manifolds
Tue 27 Oct	Martin Kerin (Galway) A pot-pourri of non-negatively curved 7-manifolds
Tue 3 Nov	Csaba Nagy The Sullivan conjecture in complex dimension 4
Tue 10 Nov	Markus Upmeier (Oxford) Instanton moduli spaces in gauge theory and their differential topology
Tue 17 Nov	Timothy Logvinenko (Cardiff) Skein-triangulated representations of generalised braids
Tue 1 Dec	Elisa Postinghel (Trento) Polynomial interpolation in algebraic geometry
Tue 8 Dec	Soheyla Feyzbakhsh (Imperial) Moduli spaces on the Kuznetsov component of cubic threefolds

Spring 2020

Tue 4 Feb	Milena Hering (Edinburgh) Stability of toric tangent bundles
Tue 11 Feb	Kevin Buzzard (Imperial) What is mathematics?
Tue 18 Feb	Zhe Han Tilting theory and derived equivalences in quiver representations
Tue 3 Mar	Eveline Legendre (Toulouse) Localizing the Sasaki-Futaki invariant
Tue 10 Mar	Sibylle Schroll (Leicester) A geometric model and derived invariant for gentle algebras

Autumn 2019

Tue 8 Oct	Daniel Loughran What are .. rational points on varieties
Tue 15 Oct	Daniel Loughran Egyptian fractions and Brauer groups
Tue 22 Oct	Fabian Lehmann (UCL) Cohomogeneity one Spin(7)-manifolds
Tue 29 Oct	Sam Streeter Hilbert property for double conic bundles and del Pezzo surfaces
Tue 5 Nov	Masahiro Nakahara Rational points on K3 surfaces
Tue 12 Nov	Tom Ducat (Imperial) A Laurent phenomenon for OGr(5,10) and explicit mirror symmetry for the Fano 3-fold V₁₂
Tue 19 Nov	Michael Wong (UCL) Dimer models and Hochschild cohomology

Spring 2019

Tue 12 Feb	Felix Schulze (UCL) Uniqueness of asymptotically conical tangent flows
Tue 19 Feb	Eleonore Faber (Leeds) A McKay correspondence for reflection groups and some noncommutative desingularizations
Tue 26 Feb	Gao Chen (IAS, Princeton) Classification of gravitational instantons
Tue 5 Mar	Evgeny Ferapontov (Loughborough) Integrable Lagrangians and Picard modular forms
Tue 12 Mar	Jason Lotay (Oxford) Remarks on the self-shrinking Clifford torus
Tue 26 Mar	Monica Musso Gluing methods for vortex dynamics in Euler flows
Tue 16 Apr	Oleg Karpenkov (Liverpool) Geometry of continued fractions
Tue 7 May	Ingo Runkel (Hamburg) Defects and orbifolds in topological field theory
Tue 4 June	Christian Mueller (Vienna) Relations between Discrete Differential Geometry and Architectural Geometry

Autumn 2018

Tue 2 Oct	Dominic Wallis Disconnecting the G₂ moduli space via U(4) coboundary defects
Tue 9 Oct	Dorothy Buck Unknotting numbers for prime theta-curves
Tue 16 Oct	Matt Gursky (Notre Dame) Obstructions to the existence of conformally compact Einstein manifolds
Tue 23 Oct	Samuel Boissiere (Poitiers) Involutions on the Hilbert square of a K3 surface
Tue 30 Oct	Thomas Madsen (Aarhus) Toric geometry of exceptional holonomy manifolds
Tue 6 Nov	Alastair Craw Birational geometry of symplectic quotient singularities
Tue 13 Nov	Josh Cork (Leeds) Symmetric calorons and the rotation map
Tue 20 Nov	Gunnar Traustason Powerfully nilpotent groups
Tue 27 Nov	James Green Reconstructing the Grassmannian of lines from Kapranov's tilting bundle
Tue 4 Dec	Dominic Joyce (Oxford) A Ringel-Hall type construction of vertex algebras
Tue 11 Dec	Alix Deruelle (Jussieu) Expanding gradient Ricci solitons coming out of metric cones

Spring 2018

Tue 6 Feb	Qiu Yu (CU Hong Kong) Calabi-Yau-X categories of quivers with potential
Tue 13 Feb	James Hook Regression and low rank matrix approximation over tropical semirings
Tue 20 Feb	Jamie Judd (KCL) Tropical critical points of the superpotential of a flag variety
Tue 27 Feb	Danielle O'Donnol (Indiana) Legendrian Graphs
Tue 10 Apr	Gunnar Traustason Left 3-Engel elements in groups
Tue 17 Apr	Alastair King Cluster exchange groupoids and decorated marked surfaces
Tue 24 Apr	Frances Kirwan (Oxford) Moduli spaces of unstable curves
Tue 1 May	Viveka Erlandsson (Bristol) Counting curves on surfaces
Tue 8 May	Neil Gillespie (Bristol) Equiangular lines in Euclidean space

Autumn 2017

Thu 7 Sept	Will Donovan (IPMU, Tokyo) Twists and braids for general threefold flops (slides)
Tue 10 Oct	David Calderbank The geometry of hydrodynamic integrability (slides)
Tue 17 Oct	Yuguang Zhang (Imperial & Bath) Collapsing of Calabi-Yau manifolds
Tue 24 Oct	Charles Cox Degree of commutativity of infinite groups
Tue 31 Oct	Tarig Abdelgadir (UNSW, Sydney) Compact moduli of noncommutative cubic surfaces
Tue 14 Nov	Gareth Tracey Finite groups: minimal, random and invariable generation (slides)
Thu 16 Nov COW Seminar	Tom Ducat (Bristol) Constructing Q-Fano 3-folds from cluster algebras Matthew Dawes (Hannover) Kodaira dimension of the moduli of deformation generalised Kummer varieties
Tue 21 Nov	Mark Haskins Metrics with special and exceptional holonomy I.
Tue 28 Nov	Mark Haskins Metrics with special and exceptional holonomy II.
Tue 5 Dec	Michael Shapiro The Heisenberg group has rational growth in all generating sets

Spring 2017

Tue 31 Jan	Dag Madsen (Nord Univ, Norway) Filtrations in abelian categories determined by a tilting object
Tue 7 Feb	Balazs Szendroi (Oxford) Euler characteristics of Hilbert schemes of points on singular surfaces
Tue 14 Feb	Guiyu Yang (Shandong) Affine quasi-heredity of affine Schur algebras
Tue 21 Feb	Gregory Sankaran Type III degenerations of Hilbert schemes of K3 surfaces
Tue 28 Feb	Yng-Ing Lee (NTU Taipei, visiting Oxford) Singularities of Lagrangian mean curvature flow
Tue 7 Mar	Ana Ros Camacho (Utrecht) Matrix factorizations and the Landau-Ginzburg/conformal field theory correspondence
Fri 10 Mar	Bruce Westbury (Warwick) Introduction to crystals: the tensor product rule
Tue 21 Mar	Gregoire Menet (UniCamp) A transversal gluing construction of G2-instantons over twisted connected sums
Tue 28 Mar	Montserrat Alsina (UP Catalunya, visiting Bristol) From Shimura curves to Fuchsian tessellations
Tue 4 Apr	Jesus Martinez-Garcia (MPIM Bonn) Stability and cscK metrics on polarised del Pezzo surfaces
Tue 25 Apr	Johannes Nordstrom The rational homotopy type of closed k-connected manifolds of dimension <= 5k+2
Tue 2 May	Konstanze Rietsch (KCL) Grassmannians and mirror symmetry
Thu 11 May	Yu Qiu (Hong Kong) Decorated marked surfaces
Tue 23 May	David Ssevviiri (Kampala) Completely prime modules and 2-primal modules
Fri 23 June	Ross Ogilvie (Sydney) Moduli of harmonic tori in S^3 (slides)

Autumn 2016

Tue 11 Oct	Gunnar Traustason On the stabiliser of a subspace series of infinite dimensional vector spaces
Tue 18 Oct	David Calderbank Toric contact geometry in arbitrary codimension
Tue 25 Oct	Jie Du (UNSW, Sydney) q-Schur algebras and their affine and super counterparts (slides)
Tue 1 Nov	Thomas Cottrell Operadic definitions of weak n-categories
Tue 8 Nov	Marina Logares (Oxford) Parabolic Higgs bundles and Generalised Parabolic Higgs bundles
Tue 15 Nov	Claudio Onorati Moduli spaces of generalised Kummer varieties are not connected
Thu 17 Nov COW seminar	Nathan Broomhead (Plymouth) Thick subcategories, arc-collections and mutation Liana Heuberger (London) Del Pezzo surfaces with 1/3(1,1) singularities Enrico Fatighenti (Warwick Grassmannians and surfaces of general type
Tue 22 Nov	Gwyn Bellamy (Glasgow) Symplectic resolutions of quiver varieties
Tue 29 Nov	David Calderbank Integrability via geometry for second order nonlinear PDEs
Tue 13 Dec	Leonard Hardiman What is .. the Mathieu group M24
19- 20 Dec	LMS Workshop & LMS Regional Meeting

Spring 2016

Tue 2 Feb	Alastair Craw Nef divisors on moduli of complexes with compact support
Tue 9 Feb	Nero Budur (Leuven) Cohomology jump loci
Tue 16 Feb	Sandro Mattarei (Lincoln) Exponentials of derivations in prime characteristic (slides)
Tue 23 Feb	Brent Pym (Oxford) Meromorphic connections and Stokes groupoids (slides)
Tue 1 Mar	Xiuping Su Richardson elements in seaweed Lie algebras of classical type
Tue 8 Mar	Jorge Bruno Well-quasi-orderings of trees and dendrites
Tue 15 Mar	Andrew Swann (Aarhus) Duality and hyperKähler metrics
Tue 5 Apr	Paul Cook (Kings College, London) Kac-Moody root systems and M-theory I (slides)
Tue 12 Apr	Paul Cook (Kings College, London) Kac-Moody root systems and M-theory II
Tue 19 Apr	Philip Boalch (Orsay) Non-perturbative symplectic manifolds and non-commutative algebras (slides)
Tue 26 Apr	Matthew Woolf (Edinburgh) t-structures, monads and moduli
Tue 12 July	James Edwards Geometric perspectives in string quantisation

Autumn 2015

Tue 29 Sep	Oksana Yakimova (Jena) On symmetric invariants of semi-direct products
Tue 6 Oct	Ted Jones-Healey What is .. a vertex algebra
Tue 13 Oct	Leonard Hardiman What is .. the Littelmann path model
Tue 20 Oct	Alastair King What is .. the preprojective algebra
Tue 27 Oct	Derek Harland (Leeds) Deformations of nearly Kaehler instantons
Tue 3 Nov	Veronique Fischer Some questions in analysis on Lie groups
Tue 17 Nov	Charlie Beil (Bristol) Noncommutative resolutions of nonnoetherian singularities and the nature of time
Tue 24 Nov	Martin Kalck (Edinburgh) Matrix factorisations: Knörrer’s periodicity and beyond
Tue 8 Dec	Marta Mazzocco (Loughborough) Quantum cluster algebras from geometry (slides)

Spring 2015

Tue 3 Feb	Wolfgang Schief (UNSW, Sydney) Discrete line complexes and integrable evolution of minors (slides)
Tue 10 Feb	Matthew Pressland Cluster structures from internally 3CY algebras
Tue 24 Feb	Alastair King Dimer models and cluster categories
Tue 3 Mar	Matthias Ohst (Cambridge) Deformations of compact Cayley submanifolds with boundary
Tue 10 Mar	Joe Karmazyn (Edinburgh) Moduli spaces and the minimal model program
Tue 17 Mar	Ian Marshall (Moscow) A new model in the Calogero-Ruijsenaars family (slides)
Fri 20 Mar	Christina Tonnesen-Friedman (Union College, Schenectady) Sasaki join and admissible Kahler constructions (slides)
Tue 24 Mar	Eli Liflyand (Bar-Ilan) Fourier transform vs. Hilbert transform
Tue 14 Apr	Tony Dooley Heisenberg-type groups and Iwasawa decompositions I
Tue 21 Apr	Tony Dooley Heisenberg-type groups and Iwasawa decomposition II
Tue 28 Apr	Tony Dooley A counterexample to a conjecture of Lichnerowicz
Tue 7 July	Markus Perling (Bielefeld) Exceptional collections and the Markov equation
Tue 21 July	Colin Rogers (UNSW, Sydney) Stefan-type moving boundary problem for the Dymequation and its reciprocals (slides)

Autumn 2014

Tue 7 Oct	Ziyu Zhang Holomorphic symplectic manifolds among Bridgeland moduli spaces
Tue 14 Oct	Manfred Lehn (Mainz) Twisted cubics on cubic fourfolds
Tue 21 Oct	Boris Kruglikov (Tromsø) Integrability of dispersionless PDEs via Einstein-Weyl and self-dual geometry (slides)
Tue 28 Oct	Geoff Smith Some results in plane and projective geometry
Tue 4 Nov	Yang-Hui He (City) Eta Products, BPS States and K3 Surfaces (slides)
Tue 11 Nov	Bruce Westbury (Warwick) On the energy statistic and the cyclic action on invariant tensors (slides)
Tue 18 Nov	Gunnar Traustason Normal right Engel subgroups of compact Hausdorff groups
Tue 25 Nov	Sebastian Goette (Freiburg) Analytic invariants of G_2-manifolds (boards L, R )
Tue 2 Dec	Fran Burstall Flag manifolds and quadratic relations (after Kostant)
Tue 9 Dec	David Calderbank Parabolic subalgebras and Lie theory from a buildings perspective

Spring 2014

Tue 18 Feb	Fran Burstall Semi-discrete isothermic surfaces
Tue 25 Feb	Nathan Prabhu-Naik Toric Fano varieties and tilting bundles
Tue 4 Mar	Oscar Garcia-Prada (ICMAT, Madrid) Higgs bundles and Hermitian symmetric spaces
Thu 6 Mar	Matthew Randall (Hannover) Local obstructions to projective surfaces admitting a skew-symmetric Ricci tensor
Thu 13 Mar	Tom Bridgeland (Sheffield) Quadratic differentials as stability conditions
Thu 20 Mar	Ed Segal (Imperial) Derived autoequivalences and FI parameter spaces
Tue 25 Mar	İlke Çanakçı (Leicester) On surface cluster algebras: snake and band graph calculus (slides)
Tue 1 Apr	Xiuping Su Zero-Schur algebras
Tue 8 Apr	Kathryn Hare (Waterloo) Convolutions of orbital measures on Lie groups and algebras
Tue 15 Apr	Lisa Lamberti (Oxford) Chebyshev polynomials and tensor diagrams
Tue 6 May	Karim Anaya-Izquierdo An overview of the use of geometry in statistics

Autumn 2013

Tue 8 Oct	Mark Craddock (Sydney) Integrating Lie Symmetries
Tue 15 Oct	Gunnar Traustason Left Engel elements in groups
Tue 22 Oct	Tom Coates (Imperial) Mirror Symmetry and 3-Dimensional Fano Manifolds
Tue 29 Oct	Johannes Nordstrom Introduction to G2 geometry
Tue 5 Nov	Wolfgang Schief (UNSW Sydney & TU Berlin) Discrete projective minimal surfaces
Tue 12 Nov	Johannes Nordstrom A new invariant of G2 structures
Tue 19 Nov	Alex Collins The graded McKay correspondence and categories of equivariant matrix factorisations
Tue 26 Nov	Diarmuid Crowley (Bonn) The topology of Stein fillable contact manifolds in higher dimensions
Thu 5 Dec COW seminar	Al Kasprzyk (London) Mutations, Minkowski polynomials, and Fano manifolds Giulio Codogni (Cambridge) Satake compactifications, lattices and the Schottky problem

Spring 2013

Tue 5 Feb	Jesse Kass (Hannover) How to make Poincare' duality into a holomorphic map
Tue 12 Feb	Michael Cowling (UNSW, Sydney) Affine geometry of Lie groups
Tue 19 Feb	Alastair Craw Reid's recipe I : the G-Hilbert scheme
Tue 26 Feb	Alastair Craw Reid's recipe II : consistent dimer models
Tue 5 Mar	Alastair King Grassmannian cluster categories
Tue 12 Mar	Gunnar Traustason Symplectic alternating algebras revisited
Tue 9 Apr	Matthew Pressland Labelled seeds and mutation groups
Tue 16 Apr	Tony Dooley The Kirillov orbit method and orbital convolutions for compact Lie groups and symmetric spaces
Tue 23 Apr	Jacob Bernstein (Cambridge) A curious variational property of smooth minimal surfaces
Tue 30 Apr	Ziyu Zhang Some aspects of moduli spaces of sheaves on K3 surfaces
Tue 7 May	David Calderbank What is .. a parabolic building

Autumn 2012

Tue 9 Oct	David Calderbank Projective parabolic geometries I
Tue 16 Oct	David Calderbank Projective parabolic geometries II
Tue 23 Oct	Yu Qiu (Sherbrooke) Representations of the braid group for quivers with potential from surfaces
Tue 30 Oct	Tony Dooley Non-commutative harmonic analysis
Tue 6 Nov	Sean Paul (Wisconsin, visiting IHP, Paris) A numerical criterion for lower bounds on K-energy maps (slides)
Tue 13 Nov	Tony Dooley The Kirillov orbit method
Tue 20 Nov	Mason Pember Weierstrass representations and creating CMC surfaces with holes
Tue 27 Nov	Alastair King Hermite reciprocity revisited
Fri 7 Dec	Charlie Beil (Stony Brook) Morita equivalences from Higgsing toric superpotential algebras
Tue 11 Dec	David Calderbank Projective parabolic geometries revisited

Spring 2012

Tue 14 Feb	Wayne Rossman (Kobe) Global properties of surfaces, using various Weierstrass representations
Tue 21 Feb	Tom Sutherland (Oxford) Stability conditions for Painleve quivers
Tue 28 Feb	Pawel Borowka Generalised Humbert surfaces
Tue 6 Mar	Matthew Pressland The structure theorem in tropical geometry
Tue 13 Mar	Diane Maclagan (Warwick) A tropical approach to effective cones
Tue 20 Mar	Gunnar Traustason Symplectic alternating algebras
Tue 27 Mar	Yu Qiu Orientations of associahedra
Tue 17 Apr	Fran Burstall Classical projective geometry and harmonic maps
Fri 20 Apr	Andre Neves (Imperial) Min-Max Theory and the Willmore conjecture (PDE Seminar)
Tue 24 Apr	Guiyu Yang Structure constants of quantum Schur algebras
Tue 1 May	David Calderbank Groups, graphs and geometries

Autumn 2011

Tue 18 Oct	David Calderbank Extremal Kahler metrics and the ambitoric geometry of convex quadrilaterals I
Tue 25 Oct	David Calderbank Extremal Kahler metrics and the ambitoric geometry of convex quadrilaterals II
Tue 1 Nov	Daniel Clarke Moebius-flat submanifolds I
Tue 8 Nov	Yu Qiu Quantum dilogarithm identities for Dynkin quivers
Tue 15 Nov	Jon Woolf (Liverpool) Stability conditions and tilting
Tue 22 Nov	Fran Burstall Discrete connections in projective geometry
Tue 29 Nov	Fran Burstall Discrete connections in conformal geometry
Tue 6 Dec	Daniel Clarke Moebius-flat submanifolds II
Tue 13 Dec	Gregory Sankaran Moduli of O'Grady's 10-dimensional hyperkahler manifolds

Spring 2011

Tue 8 Feb	Chris Williams Shells, vaults, nets and sails: structural implications of geometry
Tue 15 Feb	Johannes Zimmer A geometric approach to the Hamiltonian boundary value problem: existence, approximation and applications
Tue 22 Feb	Daniel Clarke Transformations of surfaces in R-spaces
Wed 2 Mar	Martin Markl (Charles Univ, Prague) Deformations of algebras and their diagrams
Tue 8 Mar	Gunnar Traustason Multiplication in n dimensions: a farmers approach to a theorem of Hurwitz
Tue 15 Mar	Pawel Borowka What is .. an abelian surface
Tue 29 Mar	Lev Birbrair (Ceara, Brazil) Resonance sequences in Number Theory and in Differential Equations
Tue 5 Apr	Katrin Leschke (Leicester) Darboux transforms, spectral curve and simple factor dressing
Tue 12 Apr	Daniel Clarke Transformations of discrete surfaces in R-spaces
Tue 19 Apr	Qiu Yu The exchange graphs of acyclic Calabi-Yau categories

Autumn 2010

Tue 12 Oct	Alastair King What is .. an orbifold
Wed 27 Oct	Amihay Hanany (Imperial) Counting abelian orbifolds
Tue 2 Nov	Alastair King A conformal Desargues Theorem
Tue 9 Nov	Nicolai Vorobjov Semi-monotone sets
Tue 16 Nov	Wayne Rossman (Kobe) Lie sphere geometry and Omega surfaces I
Thu 18 Nov COW seminar	Kai Behrend (Vancouver) The derived geometry of the moduli space of sheaves on a Calabi-Yau threefold Anca Mustata (Cork) A canonical etale lift for local embeddings
Tue 23 Nov	Wayne Rossman (Kobe) Lie sphere geometry and Omega surfaces II
Tue 30 Nov	Arjun Malhotra (Sheffield) The positive scalar curvature problem
Tue 7 Dec	David Calderbank Omega surfaces and Guichard surfaces
Tue 14 Dec	Robert Marsh (Leeds) Cluster mutation-periodic quivers and associated Laurent sequences

Spring 2010

Tue 9 Feb	Harry Braden (Edinburgh) Monopoles, Periods and Problems (slides)
Tue 16 Feb	Gregory Sankaran Commutators in orthogonal groups
Tue 23 Feb	Fran Burstall Omega surfaces
Tue 2 Mar	Andrew Hone (Kent) The Somos Sequence Saga
Tue 9 Mar	Michael Vaughan-Lee (Oxford) Some interesting Engel groups
Tue 16 Mar	Bernt Jensen Orbits of the automorphism group of projective representations of Dynkin quivers
Tue 23 Mar	Peter Crosby Right Engel subgroups
Tue 20 Apr	Michael Wemyss (Oxford) Some mutations of quivers in the MMP
Tue 27 Apr	David Calderbank Generalized geometries and representation theory
Tue 6 Jul	Wolfgang Schief (UNSW, Sydney) Euler lines, nine-point circles and integrable discretisation of surfaces (slides)

Autumn 2009

Tue 13 Oct	Udo Hertrich-Jeromin Moebius geometry of Euclidean triangles
Tue 20 Oct	Fran Burstall What is .. a moment map
Tue 27 Oct	Mario Garcia-Fernandez (Madrid/Imperial) Coupled equations for Kahler metrics and Yang-Mills connections (slides)
Tue 3 Nov	David Calderbank What is .. special about 6 and 8
Tue 10 Nov	Wolfgang Schief (TU-Berlin) Discrete Laplace-Darboux sequences, Menelaus' theorem and the pentagram map (slides)
Tue 17 Nov	Alastair King Discrete differential algebra
Tue 24 Nov	Yuri Bazlov Reflection groups and q-reflection groups (slides)
Tue 1 Dec	Alastair King Discrete differential algebra II: integrability and Laplace transforms
Tue 15 Dec	Andrew Macpherson Geometric configurations from representation theory

Spring 2009

Tue 10 Feb	Ian Marshall (Loughborough) Poisson properties of the Schodinger equation (slides)
Tue 17 Feb	Lars Schafer (Hannover) Differential geometric aspects of tt-geometry*
Tue 24 Feb	Wolfgang Schief (TU Berlin) Geometric interpretation of the quaternionic dSKP equation
Wed 25 Feb	Bernt Jensen (Jussieu) Degenerations for derived categories
Tue 3 Mar	David Calderbank Supersymmetry for beginners III: physics and representation theory
Tue 10 Mar	David Calderbank Supersymmetry for beginners IV: supermultiplets for super Poincare algebras
Tue 17 Mar	Jonathan Evans (Cambridge) Supersymmetry and division algebras
Tue 24 Mar	David Calderbank Supersymmetry for beginners V: enhancing supersymmetry
Tue 21 April	Alastair King What is .. a Pasquier model
Tue 28 April	Antal Jarai (Bath) What is .. a Sandpile model
Thu 21 May	Phil Boalch (ENS, Paris) Hyperkahler moduli spaces of irregular connections and Kac-Moody root systems

Autumn 2008

Thu 28 Aug	Rafael Herrera (CIMAT, Guanajuato) Almost quaternionic manifolds and rigidity
Tue 2 Sep	Karin Baur (ETH, Zurich) Modelling parabolic orbits via Delta-filtered modules
Tue 7 Oct	Alastair King What is .. the Freudenthal Magic Square I
Tue 14 Oct	Alastair King What is .. the Freudenthal Magic Square II
Tue 21 Oct	Xiu-ping Su Seaweed Lie algebras and representations of quivers I
Tue 28 Oct	Xiu-ping Su Seaweed Lie algebras and representations of quivers II
Tue 4 Nov	Xiu-ping Su Seaweed Lie algebras and representations of quivers III
Tue 11 Nov	Alastair King What is .. triality
Tue 18 Nov	Fran Burstall Supersymmetry for beginners I
Tue 25 Nov	Fran Burstall Supersymmetry for beginners II
Tue 2 Dec	Nathan Broomhead Dimers, quivers and Calabi-Yau algebras
Tue 9 Dec	Kazushi Ueda (Osaka & Oxford) Dimers, coamoebas and homological mirror symmetry

Spring 2008

Tue 5 Feb	Alastair King Exceptional curves on del Pezzo surfaces
Tue 12 Feb	John Power (Comp Sci) Why 2-categories?
Tue 19 Feb	David Calderbank Kac-Moody parabolics and E-theory I
Tue 26 Feb	David Calderbank Kac-Moody parabolics and E-theory II
Tue 4 Mar	Gunnar Traustason Groups that are pairwise nilpotent
Tue 11 Mar	Gregory Sankaran Moduli of irreducible symplectic manifolds
Tue 15 Apr	Raf Bocklandt (Antwerp) Toric Calabi-Yau algebras and tilings
Tue 22 Apr	Ulrich Pinkall (TU-Berlin) Integrable systems for real time simulation of fluid flow
Tue 29 Apr	Chris Hull (Imperial) Generalised geometry for M-theory
Fri 23 May	Dan Waldram (Imperial) Supergravity, extended generalised geometry and E7
Wed 9 Jul	Johannes Engel (Wuppertal) Non-commutative Hilbert schemes and quiver algebras I
Thu 10 Jul	Johannes Engel (Wuppertal) Non-commutative Hilbert schemes and quiver algebras II

Autumn 2007

Tue 9 Oct	Alastair King What is .. a prehomogeneous vector space
Tue 16 Oct	Alastair King Exceptional prehomogeneous vector spaces
Tue 23 Oct	David Calderbank Projective surfaces, duality and self-dual 4-manifolds
Tue 30 Oct	Fran Burstall Prehomogeneous vector spaces and parabolic subalgebras
Tue 6 Nov	Bernd Sing Model sets and quasicrystals
Tue 13 Nov	Gunnar Traustason Powerful 2-Engel groups and symplectic alternating algebras I
Tue 20 Nov	Will Turner (Oxford) Cubist manifolds
Tue 27 Nov	Gunnar Traustason Symplectic alternating algebras II
Tue 4 Dec	Fran Burstall Jordan algebras and symmetric spaces
Tue 11 Dec	Dirk Frettloeh (Bielefeld) The lonely vertex problem

Spring 2007

Tue 6 Feb	Fran Burstall The 38th proof of Bianchi permutability of Darboux transforms
Tue 13 Feb	Fran Burstall Minimal surfaces and twistor fibrations
Tue 20 Feb	Daniel Fox (UC Irvine & Oxford) A Backlund transformation that arises from a twistor fibration
Tue 27 Feb	Martin Svensson (Odense) Harmonic morphisms and twistor lifts
Tue 6 Mar	Alastair King Stability conditions: an introduction
Thu 8 Mar	Tom Bridgeland (Sheffield) Stability conditions and Hall algebras
Tue 13 Mar	Andreas Kyprianou Brownian motion
Tue 20 Mar	Nadia Sidorova Surface measures on paths in an embedded Riemannian manifold
Tue 17 Apr	Alastair King Rational Conformal Field Theory and almost Koszul algebras
Thu 24 May	Rob Scheichl Numerical Approximation of Differential Operators and the De Rham Complex

Autumn 2006

Tue 17 Oct	Alastair King Introduction to dimers
Tue 24 Oct	Fran Burstall Discrete Moutard equations and flat connections I
Tue 31 Oct	Fran Burstall Discrete Moutard equations and flat connections II
Tue 7 Nov	Gunnar Traustason Engel groups
Tue 14 Nov	Geoff Smith The envelope of the Droz-Farny line
Tue 21 Nov	Gregory Sankaran Lattices, volumes and modular forms I
Tue 28 Nov	Gregory Sankaran Lattices, volumes and modular forms II
Tue 5 Dec	Fran Burstall Lines and spheres: conformal geometry via projective geometry

Spring 2006

Tue 7 Feb	Barrie Cooper The Temperley-Lieb category I
Tue 14 Feb	Barrie Cooper The Temperley-Lieb category II
Tue 21 Feb	Luis Fernandez Generalized complex structures I
Tue 28 Feb	Luis Fernandez Generalized complex structures II
Tue 7 Mar	Luis Fernandez Generalized complex structures III
Tue 14 Mar	Fran Burstall More on Generalized complex structures I
Tue 21 Mar	Fran Burstall More on Generalized complex structures II
Tue 28 Mar	Fran Burstall More on Generalized complex structures III
Tue 2 May	Roger Moser Energy concentrations and the Willmore functional
Tue 9 May	Geoff Smith Hagge Circles and Isogonal Conjugation
Tue 15 May	Balazs Szendroi (Oxford) Topological partition functions of local Calabi-Yau threefolds
Wed 28 June	Amihay Hanany (MIT) Tilings, dimers and quiver gauge theories

Autumn 2005

Tue 4 Oct	Dima Vassiliev A teleparallel interpretation of Weyl's equation
Tue 11 Oct	Udo Hertrich-Jeromin On conformally flat hypersurfaces
Tue 18 Oct	Fran Burstall Transformations of Willmore surfaces I
Tue 25 Oct	Fran Burstall Transformations of Willmore surfaces II
Tue 25 Oct	Barrie Cooper Temperley-Lieb and Clifford algebra representations in the Ising model
Tue 1 Nov	Marco Lo Giudice The Kodaira-Spencer map
Tue 8 Nov	Luis Fernandez The dimension of the set of harmonic maps from the 2-sphere to the m-sphere, I
Tue 15 Nov	Luis Fernandez The dimension of the set of harmonic maps from the 2-sphere to the m-sphere, II
Tue 22 Nov	Geoff Smith Triple perspective and porisms
Tue 29 Nov	Udo Hertrich-Jeromin Discrete special isothermic surfaces
Tue 6 Dec	Susana Santos Special isothermic surfaces of type n
Tue 6 Dec	Nathan Broomhead Cohomology of line bundles on toric varieties

Spring 2005

Tue 1 Mar	Vedad Pasic PP-waves with torsion in metric-affine gravity
Tue 8 Mar	Martin Kilian What is .. a Riemann-Hilbert problem
Tue 15 Mar	Geoff Smith Centres of triangles
Tue 19 Apr	Barrie Cooper What is .. the Ising model
Tue 26 Apr	Alastair King What is .. a moduli space I
Tue 3 May	Alastair King What is .. a moduli space II
Tue 10 May	Neil Donaldson Isothermic submanifolds
Tue 17 May	Alastair Craw (Stony Brook) New GIT constructions of toric varieties
Mon 23 May	Marco Lo Giudice What is .. a scheme
Tue 31 May	Alastair King What is .. a variety I
Wed 1 Jun	Alastair King What is .. a variety II

Autumn 2004

Thu 9 Sept	Fran Burstall Isothermic surfaces I
Thu 16 Sept	Fran Burstall Isothermic surfaces II
Wed 22 Sept	Fran Burstall Isothermic surfaces III
Thu 7 Oct	Fran Burstall Isothermic surfaces IV
Tue 12 Oct	Barrie Cooper Abelian categories
Tue 19 Oct	Barrie Cooper Derived categories
Tue 26 Oct	Al Kasprzyk Toric varieties and plausible polytopes
Tue 2 Nov	Al Kasprzyk Line bundles on toric varieties
Tue 9 Nov	Barrie Cooper Triangulated categories
Tue 16 Nov	Alastair King Clifford configurations and Coxeter groups
Tue 23 Nov	Tim Hoffmann (Berlin/Munich) Integrable circle patterns
Tue 30 Nov	Fran Burstall Isothermic surfaces: classical and post-modern
Tue 7 Dec	Susana Santos Special isothermic surfaces
Tue 14 Dec	Neil Donaldson Line congruences and invariant forms

Spring 2004

Tue 20 Jan	Wolfgang Schief (UNSW, Sydney) Integrable discretization of harmonic maps via Backlund transformations
Tue 10 Feb	Neil Donaldson Introduction to integrable systems on quad graphs
Tue 17 Feb	Discussion Integrable systems on quad graphs
Tue 2 Mar	Alastair King Cross ratios and multiratios I
Tue 9 Mar	Alastair King Cross ratios and multiratios II
Tue 16 Mar	Discussion Integrable systems on quad graphs
Tue 23 Mar	Discussion Integrable systems on quad graphs
Tue 20 Apr	Martin Kilian Equivariant harmonic maps and twizzlers
Tue 27 Apr	Neil Donaldson Backlund-type transforms of p-flat maps I
Tue 4 May	Neil Donaldson Backlund-type transforms of p-flat maps II
Tue 11 May	Barrie Cooper McKay matrices, recurrence relations and Koszul duality
Tue 18 May	Christoph Bohle (Berlin) Conformal tori in S^4 and integrable systems
Thu 27 May	Vedad Pasic Quadratic metric-affine gravity - a new solution?

Autumn 2003

Mon 20 Oct	Martin Kilian Mathieu's equation & CMC cylinders
Thu 6 Nov	Udo Hertrich-Jeromin Isothermic surfaces I
Thu 13 Nov	Udo Hertrich-Jeromin Isothermic surfaces II
Thu 20 Nov	Udo Hertrich-Jeromin Isothermic surfaces III
Thu 27 Nov	Udo Hertrich-Jeromin Calapso and Darboux transformations
Thu 4 Dec	Udo Hertrich-Jeromin Discrete isothermic surfaces I
Thu 11 Dec	Udo Hertrich-Jeromin Discrete isothermic surfaces II
Thu 18 Dec	Udo Hertrich-Jeromin Discrete isothermic surfaces III

Spring 2003

Wed 5 Feb	Wolfgang Schief (UNSW, Sydney) On the unification of integrable discrete surfaces
Wed 12 Feb	Fran Burstall Bianchi permutability of Ribaucour transforms via Lie sphere geometry
Wed 19 Feb	Alastair King Pencils and strings: Vafa's mysterious duality
Wed 26 Feb	Martin Kilian Dressing and monodromy
Wed 5 Mar	Luis Alvarez-Consul Anomalies in gauge theory
Wed 19 Mar	Fran Burstall Clifford algebras and conformal geometry
Wed 26 Mar	Tim Logvinenko G-constellations and deformations of the generic orbit
Wed 7 May	Alastair King A-infinity Koszul complex I
Wed 14 May	Katrin Wendland (Warwick) CFT on K3: The Fermat quartic
Wed 21 May	Alastair King A-infinity Koszul complex II

Autumn 2002

Tue 1 Oct	Geoff Smith Triangle theorems via the method of statics
Tue 8 Oct	Alastair King Hermite reciprocity
Thu 17 Oct	Andrew Dancer (Oxford) Einstein metrics and Diophantine equations
Tue 22 Oct	Alastair King Strange duality and resultants
Tue 29 Oct	Luis Alvarez-Consul A new look at moduli of sheaves I
Tue 12 Nov	Alastair King What is .. the derived category?
Thu 14 Nov COW seminar	Kevin Costello (Cambridge) Hilbert schemes, Hecke algebras and the Calogero-Sutherland system Yujiro Kawamata (Tokyo) Representing the equivalence as a Fourier-Mukai functor
Tue 19 Nov	Martin Kilian CMC trinoids and the hypergeometric equation
Tue 26 Nov	Jonathan Evans (Cambridge) From PCM to KdV and back
Tue 3 Dec	Luis Alvarez-Consul A new look at moduli of sheaves II
Tue 10 Dec	Fran Burstall Baecklund transformations according to Baecklund I
Thu 12 Dec	Fran Burstall Baecklund transformations according to Baecklund II
Tue 17 Dec	David Calderbank (Edinburgh) Toric self-dual Einstein metrics

Spring 2002

Wed 16 Jan	Harry Braden (Edinburgh) Moduli spaces and many-body integrable systems
Wed 16 Jan	Laurent Meersseman (Rennes) New non-Kaehler complex manifolds
Tue 12 Feb	Luis Alvarez-Consul Dimensional reduction and quiver bundles I
Tue 19 Feb	Luis Alvarez-Consul Dimensional reduction and quiver bundles II
Tue 26 Feb	Martin Kilian Constant mean curvature surfaces I
Tue 5 Mar	Martin Kilian Constant mean curvature surfaces II
Tue 12 Mar	Martin Kilian Constant mean curvature surfaces III
Tue 19 Mar	Luis Alvarez-Consul Reductions of the anti-self-dual Yang-Mills equations to 2 dimensions
Tue 23 Apr	Frederic Schuller (Cambridge) Pseudo-complex manifolds in relativity
Tue 30 Apr	Alastair King A hitch-hiker's guide to particles and strings I: some combinatorics of the Standard Model
Tue 7 May	Colin Ingalls (New Brunswick & Cambridge) Noncommutative algebraic surfaces
Tue 14 May	Alastair King A hitch-hiker's guide to particles and strings II: Dynkin diagrams and Del Pezzo surfaces
Tue 21 May	Akira Ishii (Kyoto & Cambridge) The McKay correspondence and resolutions of a quotient singularity
Tue 28 May	Helmut Hofer (Courant Institute) Holomorphic curves and dynamics in (real) dimension three

Autumn 2001

Thu 4 Oct	Fran Burstall Solitons and symmetry I
Thu 18 Oct	Iskandar Taimanov (Novosibirsk) The inverse scattering method and Willmore spheres
Thu 25 Oct	Fran Burstall Solitons and symmetry II
Thu 25 Oct COW seminar	Aidan Schofield (Bristol) Mukai equivalence for curves Alessio Corti (Cambridge) 3-fold flips after Shokurov
Thu 1 Nov	Fran Burstall Solitons and symmetry III
Thu 15 Nov	Alastair King Solitons and symmetry IV: the KP hierarchy
Thu 22 Nov	Alastair King Solitons and symmetry V: Hirota's method
Thu 29 Nov	Alastair King Solitons and symmetry VI: vertex operators
Thu 13 Dec	Alastair King Solitons and symmetry VII: the bilinear identity
Thu 20 Dec	Alastair King Solitons and symmetry VIII: loose ends

Spring 2001

Thu 8 Feb	Wolfgang Schief (UNSW, Sydney) Introduction to integrable difference geometry I
Thu 15 Feb	Wolfgang Schief (UNSW, Sydney) Introduction to integrable difference geometry II
Thu 22 Feb	Wolfgang Schief (UNSW, Sydney) Introduction to integrable difference geometry III
Thu 8 Mar	Fran Burstall Grassmannians for beginners I
Thu 15 Mar	Fran Burstall Grassmannians for beginners II
Thu 22 Mar	Alastair King Moduli of quiver representations I
Thu 29 Mar	Alastair King Moduli of quiver representations II
Thu 26 Apr	Fran Burstall Unfashionable geometries: Conformal geometry I
Thu 3 May	Fran Burstall Unfashionable geometries: Conformal geometry II
Thu 10 May	Fran Burstall Unfashionable geometries: Lie Sphere geometry I
Thu 17 May	Fran Burstall Unfashionable geometries: Lie Sphere geometry II

Autumn 2000

Tue 17 Oct	Dima Vassiliev An affine field model for the neutrino
Tue 24 Oct	Raphael Rouquier (Paris) Braid groups and monodromy representations
Tue 14 Nov	Konstanze Rietsch (Cambridge) Total positivity and some semialgebraic varieties with cell decompositions
Tue 5 Dec	Dan Richardson Geometry of numbers and the uniformity conjecture
Tue 19 Dec	Bruce Westbury (Warwick) The exceptional series of Lie groups

Spring 2000

Wed 16 Feb	Alastair King A mystery in the homology of free 2-step nilpotent Lie algebras I
Wed 1 Mar	Alastair King A mystery in the homology of free 2-step nilpotent Lie algebras II
Wed 8 Mar	Nicolai Vorobjov Cylindrical decompositions of subanalytic sets I
Wed 15 Mar	Rognvaldur Moller (Oxford) Structure theory of totally disconnected groups via graphs and permutations
Wed 22 Mar	Nicolai Vorobjov Cylindrical decompositions of subanalytic sets II
Wed 29 Mar	David Calderbank (Edinburgh) Curved parabolic geometries and differential invariants
Wed 5 Apr	Geoff Smith Free groups and orderings
Wed 10 May	Alastair King The McKay correspondence
Wed 24 May	Edward Fraenkel Approximating boundaries of class C¹ and C², I
Wed 31 May	Edward Fraenkel Approximating boundaries of class C¹ and C², II
Wed 7 June	Dan Richardson The Wilkie-Charbonnel theorem of the complement

Alastair King -- Mathematical Sciences -- University of Bath

Updated 11 Sep 2024