Colloquia 1001-1200

1001 14 October 1999 Kim Ruane (ETH Zürich)
Quasi-convex subgroups of CAT(0) groups
1002 28 October 1999 C. J. E. Pinnock (QMW)
Some techniques in the theory of finitary groups
1003 4 November 1999 A. Bak (Bielefeld)
Dimension theory and group valued functors
1004 11 November 1999 P. J. Cameron (QMW)
Cyclic metric spaces
1005 18 November 1999 I. J. Leary (Southampton)
Some groups of type VF
1006 25 November 1999 B. Totaro (Cambridge)
Cohomology of p-adic Lie groups
1007 2 December 1999 P. Kropholler (QMW)
L2-cohomology and groups of homological dimension 1
1008 20 January 2000 Alexandre Borovik (UMIST)
Black box groups
1009 27 January 2000 Atsushi Matsuo (Univ. Tokyo, visiting Cambridge)
Some finite automorphism groups of vertex operator algebras
1010 3 February 2000 Simon Donaldson (I.C.L.)
Braid groups in symplectic topology
1011 17 February 2000 Peter Fleischmann (Kent)
On constructive invariant theory of finite groups
1012 24 February 2000 Gareth and Mary Jones (Southampton)
Infinite quotients of the Fuchsian groups
1013 2 March 2000 John Wilson (Birmingham)
Simple images of triangle groups
1014 9 March 2000 Johannes Siemons (UEA)
Some topological methods for modular representations
1015 16 March 2000 Peter Linnell (Germany)
Zero divisors and the Atiyah conjecture
1016 23 March 2000 V. Kac (MIT)
Classification of simple infinite-dimensional groups of supersymmetries and quantum field theory
1017 5 October 2000 Professor Boris Zilber (Oxford)
Schanuel conjectures and Diophantine Geometry from a model-theoretic point of view
1018 12 October 2000 Dr Marcus du Sautoy (Cambridge)
p-groups, PORC, periodicity and zeta functions
1019 19 October 2000 Professor Geoffrey Robinson (Birmingham)
Local control of representation-theoretic invariants
1020 26 October 2000 Professor Ross Geoghegan (SUNY, Binghamton)
SL(2) actions on the hyperbolic plane
1021 2 November 2000 Dr Michael Giudici (Queen Mary)
Elusive groups
1022 9 November 2000 Dr Richard Green (Lancaster)
Fully Commutative Kazhdan-Lusztig Cells
1023 16 November 2000 Dr Rachel Camina (Cambridge)
Linearity of pro-p groups
1024 23 November 2000 Dr Simeon Ball (Queen Mary)
Ovoids of parabolic spaces
1025 30 November 2000 Dr Xavier Gomez (Marseille & Queen Mary)
Block structure of quantum group Uq(sl2) at roots of unity
1026 7 December 2000 Professor Geoffrey Smith (Bath)
How a computer can tell if a univariate polynomial with rational coefficients has an interesting Galois group
1027 14 December 2000 Dr Chris Parker (Birmingham)
Completions of Classical Rank 2 Amalgams
1028 18 January 2001 Terry Gannon (Edmonton and Cambridge)
The algebraic combinatorics of conformal field theory
1029 25 January 2001 Nick Inglis (Cambridge)
The spinor norm and determinants
1030 1 February 2001 Martin Liebeck (Imperial)
Residual properties of the modular group and other free products
1031 8 February 2001 Simon Blackburn (Royal Holloway)
Groups with many commuting elements
1032 15 February 2001 Michael Vaughan-Lee (Oxford)
Computing the Burnside group R(2,7)
1033 22 February 2001 Peter Cameron (QMW)
Orbits on n-tuples
1034 8 March 2001 Sergey Shpectorov (Bowling Green)
Classification of amalgams for Phan’s theorem
1035 15 March 2001 Richard Dipper (Stuttgart)
Schur-Weyl duality and Tits’ deformation argument
1036 24 May 2001 Viacheslav V. Nikulin (Liverpool)
Borcherds’ proof of the Moonshine conjecture (1992)
(Two lectures on same day)
1036 31 May 2001 Professor V. I. Trofimov (Ekaterinburg)
Vertex stabilizers of graphs and amalgams with groups of Lie type
1037 4 October 2001 Professor Aner Shalev (Jerusalem)
Probabilistic Methods and Free Products of Groups
1038 11 October 2001 Dr Ian Leary (Southampton)
Coxeter and Artin Groups – new examples for K-theory
1039 18th October 2001 Professor C. R. Leedham-Green (QMUL)
Recognising matrix groups over finite fields
1040 1 November 2001 Prof Raphael Rouquier (Uni. Denis Diderot, Paris)
Gradings for finite group algebras
1041 8 November 2001 Dr Martin Bridson (Oxford)
Subgroups of direct products of surface groups
1042 15 November 2001 Dr P H Kropholler (QMUL)
Finite group actions, Bouc’s Theorem and Webb’s local cohomology formula
1043 22 November 2001 Dr P J Rowley (UMIST)
How long is a piece of Coxeter group?
1044 29 November 2001 Dr Ralph Stöhr (UMIST)
Free Lie Algebras as modules for finite groups
1045 6 December 2001 Prof Vladimir Remeslennikov (Omsk State Uni.)
The quasivariety generated by non-cyclic free metabelian group
1046 13 December 2001 Dr Gena Puninski (Manchester/Moscow)
Pure injective modules over string algebras
1047 24 January 2002 Dr John Bray (Birmingham)
Symmetric presentations of some Fischer groups
1048 31 January 2002 Alex A Ivanov (Imperial)
Amalgams from locally projective actions
1049 14 February 2002 Alexander Baranov (Leicester)
Irreducible Lie algebras generated by elements of small ranks
1050 21 February 2002 Stephen Donkin (QMUL)
Some remarks on the cohomology of line bundles on G/B in characteritstic p
1051 28 February 2002 Peter Symonds (UMIST)
Group actions on polynomial rings
1052 14 March 2002 Andrew Baker (Glasgow)
Some brave new algebras
1053 3 October 2002 Ian Chiswell (QMUL)
Tree-Free Groups
1054 10 October 2002 Karin Erdmann (Oxford)
Hecke algebras of symmetric groups and varieties for modules
1055 24 October 2002 Guido Mislin (Cambridge / Zürich)
The Bass Conjecture and Acyclic Groups
1056 7 November 2002 Max Nazarov (York)
Young symmetrizers for classical Lie groups
1057 14 November 2002 Rick Jardine (Western Ontario / INI)
Presheaves of Chain Complexes
1058 21 November 2002 Steve Lichtenbaum (Brown / INI)
The Weil-étale topology
1059 28 November 2002 Steve Doty (Leicester)
New versions of Schur-Weyl duality
1060 5 December 2002 John Hunton (Leicester)
On a Conjecture of Green and Leary
1061 12 December 2002 Prof Charles Leedham-Green (QMUL)
Recognising matrix groups (II)
1062 23 January 2003 Dmitrii V. Pasechnik (Frankfurt)
Intersecting a fixed number of Rn-quadrics in polynomial time
1063 6 February 2003 Martin Bridson (Imperial)
Mapping tori of free-group automorphisms
1064 13 February 2003 Aner Shalev (Jerusalem)
Fuchsian groups, coverings of Riemann surfaces, subgroup growth, random quotients, and random walks
1065 20 February 2003 Dan Segal (Oxford)
Uniform bounds for finite groups and closed subgroups in profinite groups
1066 27 February 2003 Marcus du Sautoy (Oxford)
Counting subgroups in nilpotent groups and points on elliptic curves
1067 13 March 2003 Brent Everitt (York)
On a conjecture of Serre
1068 20 March 2003 Bob Gilman (Stevens Inst., New Jersey)
Groups and languages
1069 9 October 2003 Peter Cameron (Queen Mary)
A counting problem solved using duality
1070 16 October 2003 Thomas Müller (Queen Mary)
Character theory of symmetric groups, subgroup growth of Fuchsian groups, and random walks
1071 23 October 2003 Yiftach Barnea (Wisconsin, visiting Imperial)
Lie algebras with few centralizer dimensions
1072 30 October 2003 Andrei Jaikin (Madrid, visiting Imperial)
Representation growth of pro-p groups
1073 6 November 2003 Mátyás Domokos (Budapest, visiting Edinburgh)
On orthogonal invariants of several vectors
1074 13 November 2003 Anatoly Vershik (St Petersburg)
Representation thery of the infinite symmetric group and asymptotic combinatorics
1075 20 November 2003 Yuri Bazlov (Queen Mary)
q-Multiplicity of the adjoint representation of a simple Lie algebra in its exterior algebra
1076 27 November 2003 Jonathan Brundan (Oregon)
Shifted Yangians and nilpotent matrices
1077 4 December 2003 Marc Lackenby (Oxford)
The geometry of finite quotient groups
1078 11 December 2003 Konni Rietsch (King’s College)
Parametrizing flag varieties
1079 18 December 2003 Pablo Spiga (Queen Mary)
On a theorem of Maillet
1080 22 January 2004 Ben Martin (Kent)
Reductive groups, geometric invariant theory and a conjecture of Serre
1081 29 January 2004 Gordon James (Imperial)
On Specht modules for general linear groups
1082 5 February 2004 Claas Roever (Trinity College Dublin)
Commensurability and infinite simple groups
1083 12 February 2004 Sasha Borovik (UMIST)
Genetic algorithms in group theory
1084 19 February 2004 Misha Feigin (Imperial)
Quasi-invariants of Coxeter systems
1085 26 February 2004 Martin Liebeck (Imperial)
Character theory, simple groups, Fuchsian groups and representation varieties
1086 4 March 2004 Ian Macdonald (Queen Mary)
Hall-Littlewood and Jack symmetric functions
1087 11 March 2004 Martin Bridson (Imperial)
Fibre products of groups, finiteness conditions, and a problem of Grothendieck
1088 29 April 2004 Eric Friedlander (Northwestern)
p-points for finite group schemes
1089 20 May 2004 Nigel Boston (Wisconsin, Madison)
Galois groups of p-class towers
1090 27 May 2004 Dugald Macpherson (Leeds)
Definability in finite fields
1091 3 June 2004 Peter Linnell (Virginia)
L2-Betti numbers of one-relator groups
1092 10 June 2004 Adam Piggott (Oxford)
The growth of free-group automorphisms
1093 24 June 2004 Peter Neumann (Oxford)
Factorisation problems for multisets
1094 7 October 2004 Rob Wilson (Queen Mary)
Finite groups with small automorphism groups
1095 14 October 2004 John Bray (Queen Mary)
Characterizing finite soluble groups by laws in two variables
1096 21 October 2004 Nikolay Nikolov (Oxford)
Maximal subgroup growth and positively finitely generated profinite groups
1097 28 October 2004 Andrei Morozov (Novosibirsk)
On theories of finitely generated groups
1098 4 November 2004 Simon Blackburn (Royal Holloway)
Cryptosystems based on groups
1099 11 November 2004 Tom Hadfield (Queen Mary)
Twisted homology of quantum groups
1100 18 November 2004 Tim Burness (Oxford)
Fixed point ratios in actions of simple groups
1101 25 November 2004 Peter Kropholler (Glasgow)
A generalization of the Lyndon-Hochschild-Serre spectral
sequence with applications to decompositions of groups
1102 2 December 2004 Matt Fayers (Queen Mary)
0-Hecke algebras
1103 9 December 2004 Daniel Groves (Caltech)
Limit groups of relatively hyperbolic groups
1104 16 December 2004 Maud de Visscher (Queen Mary)
On projective and injective polynomial modules
1105 27 January 2005 Nikolay Nikolov (Oxford)
Counting Primes, Groups
and Manifolds
1106 10 February 2005 Dan Segal (Oxford)
Upper finiteness conditions for finitely generated groups
1107 10 March 2005 Pavel Zalesski (Brasilia, visiting Glasgow)
Profinite surface groups and the congruence subgroup problem for arithmetic subgroups in SL2(R)
1108 19 May 2005 Aner Shalev (Jerusalem)
Permutation groups and quantum computing
1109 26 May 2005 Jon Berrick (Singapore and Oxford)
Braid groups and homotopy
groups of spheres
1110 2 June 2005 Cheryl Praeger (Western Australia)
Limit graphs of finite vertex-primitive graphs
1111 29 September 2005 Paul Flavell (Birmingham)
A generalization of Thompson’s theorem on fixed-point-free automorphisms
1112 6 October 2005 John Wilson (Oxford)
Characterizations and axiomatizations of finite soluble groups
1113 13 October 2005 Roger Bryant (Manchester)
Groups acting on free Lie algebras
1114 20 October 2005 Burt Totaro (Cambridge)
Splitting fields for exceptional algebraic groups
1115 3 November 2005 Henry Wilton (Imperial)
Subgroup separability and limit groups
1116 10 November 2005 Peter Fleischmann (Kent)
Some recent developments in modular invariant theory
1117 17 November 2005 Alan Beardon (Cambridge)
The group of conformal automorphisms of a plane domain
1118 24 November 2005 Angus Macintyre (Queen Mary)
The algebra and analysis behind Schanuel’s conjecture
1119 1 December 2005 Bert Wehrfritz (Queen Mary)
Subgroups of and groups over finite-dimensional division algebras
1120 8 December 2005 Peter Neumann (Oxford)
Smoothness of positive integers, permutations, polynomials and other paraphernalia
1121 15 December 2005 Stephen Donkin (York)
Some representation theory of Hall’s universal group
1122 12 January 2006 Gerhard Roehrle (Southampton)
Unipotent conjugacy in finite groups of Lie type
1123 19 January 2006 Jim Howie (Heriot-Watt)
One-relator quotients of surface groups
1124 26 January 2006 Aner Shalev (Jerusalem)
Solvable radicals, probabilistic methods, and Burnside type
problems
1125 2 February 2006 Peter Cameron (Queen Mary)
Automorphisms of the Rado graph and the Urysohn space
1126 9 February 2006 Richard Thomas (Imperial)
Representations of braid groups
1127 16 February 2006 Ben Martin (Canterbury, NZ)
Representing finite groups in reductive algebraic groups
1128 23 February 2006 Thomas Weigel (Milano-Bicocca)
A remark about free groups
1129 2 March 2006 Natalia Iyudu (Queen Mary)
RIT-algebras, their representations, and Milnor’s conjecture
1130 9 March 2006 Leonard Soicher (Queen Mary)
Block designs, groups and computation
1131 16 March 2006 Sergei Shpectorov (Birmingham)
From Phan’s Theorems to Phan Theory
1132 23 March 2006 Tom Brady (Dublin)
Counting the facets of the generalised associahedron
1133 30 March 2006 Rüdiger Göbel (Essen)
A survey about classical constructions of indecomposable modules over certain commutative rings and new results about absolutely indecomposable modules
1134 28 September 2006 Dan Segal (Oxford)
Words
1135 5 October 2006 Sasha Borovik (Manchester)
Black box groups and groups of finite Morley rank
1136 12 October 2006 Martin Dunwoody (Southampton)
Groups acting on R-trees
1137 19 October 2006 Derek Holt (Warwick)
The use of automata in group theory
1138 26 October 2006 John Coates (Cambridge)
Non-commutative Iwasawa theory
1139 2 November 2006 John Parker (Durham)
Triangle groups and the search for complex hyperbolic lattices
1140 9 November 2006 Charles Leedham-Green (Queen Mary)
Classification of finite p-groups up to isomorphism (!)
1141 16 November 2006 Karl Gruenberg (Queen Mary)
The generation gap of free products
1142 23 November 2006 Konstanze Rietsch (King’s College, London)
Flag varieties, mirror symmetry, and total positivity
1143 30 November 2006 Jan Saxl (Cambridge)
Small bases for large permutation groups
1144 7 December 2006 John Wilson (Oxford)
Soluble and nilpotent pairs for finite groups
1145 14 December 2006 Martin Taylor (Manchester)
Pfaffians and arithmetic
1146 1 February 2007 Corneliu Hoffman (Birmingham)
Phan theory and beyond
1147 15 February 2007 Simon Goodwin (Birmingham)
Conjugacy in algebraic groups
1148 22 February 2007 Pierre-Emanuel Caprace (Oxford)
Simplicity of lattices in Kac-Moody theory
1149 1 March 2007 Harald Helfgott (Bristol)
Growth in groups: an approach via incidence
1150 8 March 2007 Inna Korchagina (Warwick)
Characterization and Classification of Finite Simple Groups which are of both even- and p-type
1151 15 March 2007 Iain Gordon (Edinburgh)
Cells for Hecke algebras and quiver varieties
1152 22 March 2007 Kevin Buzzard (Imperial)
Mod p representations of p-adic groups
1153 17 May 2007 Mark Ronan (Chicago)
Building twins
1154 7 June 2007 Peter Webb (Minnesota)
The module structure of the coinvariant algebra of a finite group representation
1155 23 July 2007 Eamonn O’Brien (Auckland)
Constructive recognition of classical groups
1156 27 September 2007 Rachel D. Camina (Cambridge)
Schemes and the IP-graph
1157 4 October 2007 Manfred Droste (Leipzig)
Permutation groups, groups of measure-preserving or ergodic transformations and the Bergman property
1158 11 October 2007 Kay Magaard (Birmingham)
Constructive recognition of exceptional groups
1159 18 October 2007 Ivan Tomašić (Queen Mary)
From the arithmetic of difference varieties to dynamical systems
1160 25 October 2007 Gareth A. Jones (Southampton)
Generalised Fermat curves: their automorphism groups and fields of definition
1161 1 November 2007 H. Dugald Macpherson (Leeds)
Definability in algebraically closed valued fields
1162 8 November 2007 William J. Dison (Imperial)
An Isoperimetric Function for Bestvina-Brady Groups
1163 15 November 2007 Robert T. Curtis (Birmingham)
A survey of the symmetric
generation of groups
1164 22 November 2007 Michael E. Bate (Oxford)
Notions of Complete Reducibility for Algebraic Groups
1165 29 November 2007 Kevin R. McGerty (Imperial)
Representations of the symmetric group and the Steinberg variety
1166 13 December 2007 Simon P. Norton (Cambridge)
The Monster and the Four Colour Theorem
1167 17 January 2008 Benjamin Klopsch (Royal Holloway)
Deformations and rigidity of lattices in soluble Lie groups
1168 24 January 2008 Toby Stafford (Manchester)
Cherednik algebras, Hilbert schemes and quantum Hamiltonian reduction
1169 31 January 2008 David Craven (Oxford)
Character degrees of symmetric groups
1170 7 February 2008 Rudolf Tange (York)
Complete reducibility and closed orbits
1171 14 February 2008 Ralf Gramlich (Birmingham)
Discrete subgroups of locally finite Kac-Moody groups
1172 21 February 2008 Chris Parker (Birhingham)
Fusion systems
1173 28 February 2008 Anton Evseev (Cambridge)
Characters and conjugacy classes of triangular matrix
groups
1174 6 March 2008 Mikhail Belolipetsky (Durham)
Finiteness theorems for arithmetic reflection groups
1175 13 March 2008 Karl Gruenberg memorial day
Bert Wehrfritz (Queen Mary):
The early work of KWG on abstract groups, 1952-1973
Peter Kropholler (Glasgow)
Group actions on finite dimensional spaces and
KG-modules
Al Weiss (Alberta)
Integral representations and Galois modules in arithmetic
1176 1 May 2008 Emmanuel Breuillard (École Polytechnique)
Heights of GL(d) and
free subgroups
1177 8 May 2008 Joseph Chuang (City)
Variations on two-dimensional topological field theory
1178 15 May 2008 Martin Liebeck (Imperial)
The Ore Conjecture
1179 22 May 2008 Anton Cox (City)
The blocks of the Brauer algebra
1180 29 May 2008 Raphaël Rouquier (Oxford)
Higher representations of Lie algebras
1181 5 June 2008 Tim Riley (Bristol)
Hydra groups
1182 12 June 2008 B. Sury (ISI Bangalore)
Central extensions of p-adic groups
1183 19 June 2008 Nigel Boston (Wisconsin Madison)
Random p-groups
1184 2 October 2008 Colva M. Roney-Dougal (St Andrews)
Maximal subgroups of simple groups: constructions and classifications
1185 9 October 2008 Peter Cameron (Queen Mary)
1186 16 October 2008 Sergey Shpectorov (Birmingham)
From the Thompson group to the hyperplanes in a dual polar space
1187 23 October 2008 Tim Burness (Southampton)
Counting prime order subgroups in finite groups
1188 30 October 2008 Angus J. Macintyre (Queen Mary)
Comparing the classical and the Zil’ber exponential fields
1189 7 November 2008 Peter J. Rowley (Manchester)
Diameter of the Monster Graph
1190 13 November 2008 Matthew Fayers (Queen Mary)
Irreducible Specht modules for Iwahori–Hecke algebras of type A—revisited
1191 20 November 2008 Jan E. Grabowski (Oxford)
Cluster algebras, partial flag varieties and quantum groups
1192 27 November 2008 Sinéad Lyle (East Anglia)
Blocks of Ariki–Koike algebras
1193 11 December 2008 Alan R. Camina (East Anglia)
Autmorphism groups of linear spaces
1194 15 January 2009 Alexander Premet (Manchester)
Primitive ideals and finite W-algebras
1195 22 January 2009 Mark Wildon (Bristol)
Some results on decomposition matrices of symmetric groups
1196 29 January 2009 Alexander Kleshchev (Oregon)
Graded representation theory of symmetric groups
1197 5 February 2009 Jozef Širáň (Open University)
Classification of regular maps on a given surface
1198 12 February 2009 Martin Bridson (Oxford)
Decision problems and profinitely isomorphic groups
1199 26 February 2009 Simon Blackburn (Royal Holloway, University of London)
Cryptanalysing the critical group
1200 5 March 2009 Gunter Malle (Kaiserslautern)
Element orders and Sylow structure

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