Past Manchester Algebra Seminars

Autumn 2011

27th Sept Gwyn Bellamy (Manchester) Rational Cherednik algebras at t = 0 (Abstract) Preseminar 2pm, Frank Adams 2, Algebras that are finite over their centre

4th Oct Yuri Bazlov (Manchester) New nil Hecke algebras

Monday 10th Oct, 3PM AITKEN LECTURE Geoff Whittle (Wellington) Well-quasi-ordering Binary Matroids (abstract)

11th Oct Tomoyuki Arakawa (RIMS, Kyoto) Affine W-algebras 

18th Oct Guillaume Pouchin (Edinburgh) Higgs algebras of weighted projective lines and loop crystals (abstract) Preseminar 2pm (provisional)

25th Oct Alastair Craw (Glasgow) Noncommutative toric geometry (Abstract)

1st Nov READING WEEK

8th Nov Evgeny Khukhro Finite groups admitting Frobenius groups of automorphisms with fixed-point-free kernels

15th Nov Jean-Eric Pin (LIAFA and Paris 7) A Mahler's theorem for functions from words to integers (abstract)

22nd Nov Pornrat Ruengrot (Manchester) Perfect isometry groups (abstract)

29th Nov Peter Rowley (Manchester) X-posets

6th Dec Olivier Dudas (Oxford) Quotient of Deligne-Lusztig varieties (abstract) + Preseminar 2pm, Frank Adams 2

13th Dec

Spring 2011

1st Feb Anton Evseev (Queen Mary) A refinement of the McKay conjecture for arbitrary finite groups + Pre-seminar at 1pm, Frank Adams 2

8th Feb Mark Kambites (Manchester) Monoids acting by isometric embeddings

15th Feb Charles Eaton (Manchester) Recognising nilpotent blocks + Pre-seminar at 1pm, Frank Adams 2

1st Mar Travis Schedler (MIT) Computational approaches to Poisson traces on quotient singularities (Abstract)

8th Mar Guntram Hainke (Birmingham) Generalized spin representations (Abstract) + Pre-seminar at 1pm, Frank Adams 2

15th Mar Matthew Clarke (Cambridge) Lusztig's unipotent pieces and geometric invariant theory

Monday 21st Mar, 1pm Elizabeth Frenkel Regular sets and counting in free groups (Abstract)

29th Mar Arkady Berenstein (Oregon) Littlewood-Richardson coefficients for reflection groups (Abstract)

5th Apr Roger Bryant (Manchester) Block components of the Lie module for the symmetric group

3rd May Charles Eaton (Manchester) Counting conjectures in representation theory

10th May Paul Flavell (Birmingham) A new proof of the Nonsolvable Signalizer Functor Theorem (Abstract)

17th May Alexandre Borovik (Manchester) Pseudofinite groups and Larsen-Pink Theorem

24th May Jonathan Smith (Iowa State) Representation Theory of Quasigroups (Abstract) + Pre-seminar at 1pm, Frank Adams 2

31st May Bob Sandling (Manchester) Algebraic Steenrod squaring (Abstract)

7th June Maria Chlouveraki (Edinburgh) Construction of basic sets and cell modules for Hecke algebras 
from Cherednik algebras + Pre-seminar at 2pm, Frank Adams 2 (Abstract)

14th June Thorsten Weist (Wuppertal) Tree modules (Abstract)

Autumn 2010

28th Sept Yuri Bazlov (Manchester) Mystic reflection groups

5th Oct Bill Crawley-Boevey (Leeds) Monodromy for systems of vector bundles and a special case of Hilbert's 21st problem

12th Oct David Jordan (Sheffield) From periodic quiver mutation to cyclically quantized Weyl algebras

19th Oct Jan Grabowski (Oxford) Quantizing Grassmannians, Schubert cells and cluster algebras

26th Oct Peter Rowley (Manchester) 2-minimal subgroups in groups of Lie type

2nd Nov READING WEEK

9th Nov Brian Parshall (Virginia) Bounding Ext (Abstract)

16th Nov Michael Wemyss (Oxford) Maximal Modification Algebras (Room change - G114)

23rd Nov Serge Bouc (Picardie) The sectional Burnside ring of a finite group (Abstract)

30th Nov John Ballantyne (Manchester)

7th Dec Ali Everett (Manchester) Commuting Involution Graphs of some Symplectic Groups (Abstract)

14th Dec Grant Walker (Manchester) Some representations of G_168 (Abstract)

Spring 2010

Autumn 2009

29th Sep Nadia Mazza (Lancaster) p-Groups with maximal elementary abelian subgroups of rank 2 Abstract

6th Oct Robert Marsh(Leeds) Cluster mutation-periodic quivers and associated Laurent sequences Abstract

13th Oct Paul Levy (Lancaster) Automorphisms of simple Lie algebras Abstract

20th Oct Evgeny Khukhro (Novosibirsk) Applications of Lie rings with finite cyclic grading

27th Oct Geordie Williamson (Oxford) Knot homology and geometric representation theory Abstract

10th Nov Marianne Johnson (Manchester) Periodicity of Adams operations on the Green ring of a finite group Abstract

17th Nov Alison Parker (Leeds) Some properties of the blob algebra

24th Nov Roger Plymen (Manchester) Geometric structure in the representation theory of p-adic groups Abstract

1st Dec Stephen Clegg (Manchester) Chamber systems for some symmetric groups Abstract

8th Dec Raf Bocklandt (Newcastle) Calabi Yau algebras and Quiver polyhedra Abstract

15th Dec Peter Rowley (Manchester) Isolated Subgroups in Finite Groups Abstract

Spring 2009

27th January Jorge Almeida (Porto) Taming pseudovarieties of groups

3rd February Alexander Borovik (Manchester) Finite groups, black box groups, algebraic groups

10th February Alexander Molev (Sydney) Littlewood-Richardson polynomials

17th February Alexander Kleshchev (Oregon) Graded representation theory of symmetric groups (Abstract)

24th February Catharina Stroppel (Bonn) Explicit construction of convolution algebras arising from Springer fibres (Abstract)

3rd March Corneliu Hoffman (Birmingham) Curtis-Tits like amalgams (Abstract)

10th March Gerhard Roehrle (Bochum) Serre's notion of complete reducibility, geometric invariant theory and Tits' centre conjecture

17th March Chelsea Walton (Manchester) Generalizing twisted homogeneous coordinate rings (Abstract)

24th March Paul Taylor (Manchester) Computing normalizers of 2-subgroups in black-box groups (Abstract)

21st April Ralph Stöhr (Manchester) Modular Lie powers of relation modules and free central extensions of groups (Abstract)

28th April Benjamin Klopsch (Royal Holloway) Deformations and rigidity of lattices in soluble Lie groups (Abstract)

5th May Richard Sharp (Manchester) Entropy and distortion for automorphisms of free groups (Abstract)

12th May Sarah Hart (Birkbeck) Sum-free sets in groups (Abstract)

19th May John Cossey (Canberra) Soluble products of finite groups (Abstract)

26th May Claudio Procesi (Roma) From splines to the index theorem (Abstract)

2nd June Joe Chuang (City) Algebra with surfaces (Abstract)

Autumn 2008

30th September Toby Stafford (Manchester) Cherednik algebras and differential operators on symmetric spaces

7th October Maxim Nazarov (York) Mickelsson algebras and irreducible representations of Yangians (Abstract)

14th October Kevin McGerty  (Imperial) Hall algebras and Quantum Frobenius (Abstract)

21st October Tom Lenagan (Edinburgh) Totally positive matrices (Abstract)

28th October John MacQuarrie (Manchester) Modular representation theory of profinite groups (Abstract)

11th November Martin Liebeck (Imperial) The Ore Conjecture

18th November Brent Everitt (York) Coloured poset homology

25th November Peter Symonds (Manchester) On the Castelnuovo-Mumford regularity of rings of polynomial invariants (Abstract)

2nd December Derek Holt (Warwick) Maximal Subgroups of Finite Groups

9th December Susanne Danz (Oxford) Vertices of simple modules for symmetric groups

16th December David Towers (Lancaster) Elementary Lie Algebras (Abstract)

Spring 2008

5th February Ivan Losev (Belarusian State University) Quantized symplectic actions and W-algebras (Abstract)

12th February Mark Kambites (Manchester) The word problem is not so hard after all

19th February Jeanne Scott (Leeds) Quiver flag varieties for the affine preprojective algebra
and related combinatorics

26th February Evgeny Khukhro (Cardiff) Large automorphically-invariant ideals and characteristic subgroups satisfying multilinear identities

4th March Grant Walker (Manchester) The flag representation of GL(n,F_2) (Abstract)

11th March Paul Baum (Penn State) Morita equivalence revisited (Abstract)

8th April Susan Sierra (Michigan) Graded Morita theory and the first Weyl algebra (Abstract)

15th April John Fountain (York) Reflection monoids (Abstract)

22nd April Vanessa Miemietz (Oxford) Polynomial representations of GL_2

29th April Gennady Puninskiy (Manchester) Certain rings of geometric origin and projective modules over universal localizations

6th May Peter Rowley (Manchester) Diameter of the Monster Graph (Abstract)

13th May Oliver King (Newcastle) The subgroup structure of finite classical groups in terms of geometric
configurations (Abstract)

20th May Richard Weidmann (Heriot-Watt) Maps onto virtually free groups

27th May Kay Magaard (Birmingham) Constructive Recognition of Lie Type Groups (Abstract)

3rd June Marianne Johnson (Manchester) On torsion in free central extensions of groups (Abstract)

10th June B. Sury (ISI, Bangalore) Central extensions of p-adic groups (Abstract)

17th June Luchezar Avramov (Nebraska-Lincoln) Square-zero matrices over commutative rings

Summer and autumn 2007

21st August Gretchen Ostheimer (Hofstra University) Formal Languages and the Word Problem

25th September Sara Westreich (Bar-Ilan) Fourier transforms and Verlinde formula for Hopf algebras

2nd October Britta Späth (Kaiserslautern) The McKay-conjecture for exceptional groups of Lie-type

9th October Toby Stafford (Manchester) Cherednik algebras and Hilbert schemes of points

16th October Jeremie Guilhot (Aberdeen) On the lowest two-sided cell in affine Weyl group(Abstract)

23rd October Yuri Bazlov (Warwick) Regular and Modular Dunkl operators

30th October Rudolf Tange (York) A double centraliser theorem for the symplectic group(Abstract)

6th November Alexandre Zalesski (UEA) On the Tensor Product of the Weil and the Steinberg representations

13th November Erik Pickett (Manchester) Orthonormal Bases For the Square Root of the Inverse Different(Abstract)

20th November Susanne Pumpluen (Nottingham) How to extend classical results from the theory of quadratic forms to forms of higher degree(Abstract)

27th November Ralf Gramlich (Darmstadt)

4th December Karin Erdmann (Oxford) Title TBA

11th December Eamonn O'Brien (Auckland) Using involution centralisers in linear group algorithms (Abstract)

Spring Semester 2007

30th January Rick Thomas (Leicester) FA-presentable structures (Abstract)

6th February John Britnell (Newcastle) Generating function methods for linear groups over finite fields (Abstract)

20th February Frank Himstedt (München) Low-dimensional representations of Steinberg's triality groups

27th February Ralph Stohr (Manchester) The equation [x,u]+[y,v]=0 in free Lie algebras (Abstract)

6th March Meinolf Geck (Aberdeen) Modular representations of Hecke algebras

13th March Maud Devisscher (City) Blocks of the Brauer algebra (Abstract)

20th March John Murray (Maynooth) Symmetric functions, Specht modules and Kleshchev's socle of restriction theorem (Abstract)

17th April Alexander Odesskii (Manchester) Algebraic structures connected with pairs of compatible associative algebras (Abstract)

24th April Rachel Camina (Cambridge) Schemes and the IP-graph (Abstract)

1st May Paul Martin (City) Brauer algebra II -- beyond the blocks

8th May John Truss (Leeds) Representing words in some infinite permutation groups

15th May Rebecca Waldecker (Birmingham) Isolated involutions in finite groups (Abstract)

22nd May Luda Markus-Epstein (Technion - Israel Institute of Technology) Algorithmic problems in fundamental groups of finite graphs of finite groups (Abstract)

5th June Sandro Mattarei (Trento and Nottingham) Character degrees and conjugacy class sizes of a finite group (Abstract)

Autumn Semester 2006

26th September Ross Lawther (Cambridge) 2F-modules, abelian sets of roots and 2-ranks

3rd October Grigory Garkusha (Manchester) Reconstructing affine and projective schemes from Serre subcategories

10th October Thomas Müller (Queen Mary) Classification and Statistics of Finite Index Subgroups in Free Products (The Poincaré-Klein Problem)

17th October Michael Bate (Oxford) A version of Clifford's theorem, and converses, for subgroups of algebraic groups

24th October Mark Wildon (Swansea) Some results on character values and decomposition matrices of symmetric groups (Abstract)

31st October Nikolay Dubrovin (Vladimir State University) Invertible matrices over the group ring of the universal covering of SL_2(R)

7th November Gerald Williams (Kent) Free subgroups in generalizations of Coxeter groups

14th November Charles Eaton (Manchester) Character correspondences and the Alperin-McKay conjecture (Abstract)

21st November Toby Stafford (Michigan) Noncommutative projective surfaces (Abstract)

28th November Bob Sandling (Manchester) A lattice in the Steenrod algebra (Abstract)

5th December Dan Segal (Oxford) Words

12th December Nadia Mazza (Aberdeen) The group of endotrivial modules in the cyclic case (Abstract)

Spring Semester 2006

31st January Sergey Shpectorov (Birmingham) Phan theory

7th February Paul Baum (Penn State) Non-commutative algebraic geometry and the Hecke algebra of reductive p-adic groups

14th February Alexander Premet (Manchester) Symmetric invariants of centralisers and Poisson algebras of Slodowy slices

21st February Simon Goodwin (Oxford) Unipotent conjugacy in finite groups of Lie type ( Abstract )

28th February Gunnar Traustason (Bath) Engel groups

Wed 8th March Will Turner (Oxford) Cubist algebras

14th March Sarah Rees (Newcastle) How good is Dehn's algorithm? ( Abstract )

21st March Catharina Stroppel (Glasgow) Serre functors in representation theory and an algebraic approach to Kapranov's conjecture ( Abstract )

28th March Agata Smoktunowitz (Edinburgh) On connections between noncommutative nil rings  and group theory ( Abstract )

29th March Manfred Schocker (Swansea) Set partitions and descents

25th April Alexander Moretó (Valencia) Complex group algebras and Brauer's problem number one

25th April Charudatta Hajarnavis (Warwick) Applications of symmetry in rings of finite global dimension

2nd May Nikolay Nikolov (Oxford) Finite simple groups as expanders ( Abstract )

9th May Karin Baur (Leicester) A class of gradings of simple Lie algebras ( Abstract )

16th May Matt Fayers (Queen Mary) Title TBA

23rd May Alison Parker (Leicester) Extensions between modules for sl_2.

25th May Barbara Baumeister (Berlin) Factorisations of groups

30th May Oksana Yakimova Coisotropic Hamiltonian actions, I

6th June - Oksana Yakimova Coisotropic Hamiltonian actions, II

6th June - Reg Allenby (Leeds) Higman, Neumann and Frattini (but not Seifert!)

Autumn Semester 2005

27th September Peter Neumann (Oxford) Smoothness of positive integers, permutations, polynomials and other paraphernalia ( Abstract )

4th October Marianne Johnson (Manchester) Standard tableaux and Klyachko's Theorem on Lie representations ( Abstract )

11th October Alexander Odesskii (Manchester) Quadratic algebras with Poincare-Birkhoff-Witt condition ( Abstract )

18th October Sibylle Schroll (Oxford) Modular Alvis-Curtis duality ( Abstract )

25th October Martin Edjvet (Nottingham) On cyclically presented groups ( Abstract )

1st November John Bray (Queen Mary) Symmetric presentations of some Leech lattice groups

 8th November Raphael Rouquier (Leeds) Loewy length and 2-rank ( Abstract )

15th November Martyn Quick (St. Andrews) Some groups which just aren't quite finite ( Abstract )

22nd November Inna Korchagina (Birmingham) Classification of Finite Simple Groups. Second Generation Proof. ( Abstract )

29th November Anton Cox (City) Towers of recollement and the Brauer algebra ( Abstract )

13th December Gennady Puninskiy (Manchester) Nonfinitely generated projective modules over some noetherian rings

Spring Semester 2005

1st February Iain Gordon (Glasgow) A(nother) non-commutative Hilbert scheme ( Abstract )

8th February Beth Holmes (Birmingham) Minimal factorisations of groups ( Abstract )

15th February Ken Brown (Glasgow) Noncommutative Iwasawa algebras ( Abstract )

22nd February Thorsten Holm (Leeds) ( Abstract ) Algebras, representations and explicit invariants

1st March Pavel Zalesskii (Brasília) Profinite surface groups and
the congruence subgroup problem for arithmetic subgroups in SL_2(R) ( Abstract )

8th March Jie Xiao (Tsinghua University, Beijing) Derived categories and Lie algebras

8th March Nicole Snashall (Leicester) ( Abstract ) Hochschild cohomology and support varieties

15th March Jeff Burdges (Birmingham) Odd type simple groups of finite Morley rank ( Abstract )

12th April Ben Green (Cambridge) Arithmetic progressions of primes ( Abstract )

19th April Paul Levy (Manchester) Involutions of reductive Lie algebras

26th April Roger Bryant (Manchester) Lie powers and symmetric powers of modules

3rd May Victoria Gould (York) Free groups, free inverse semigroups and some friends ( Abstract )

10th May Paul Flavell (Birmingham) A Hall-Higman-Shult type theorem for arbitrary finite groups
and some applications

17th May Yuri Bahturin (Newfoundland) Abelian Group Gradings on Simple Lie Algebras

17th May David Jordan (Sheffield) Invariants of the quantum torus and a quintization of $U(su_2)$ ( Abstract )

24th May Rudolf Tange (Manchester) The centre of quantum $sl_n$ at a root of unity ( Abstract )

31st May Joseph Chuang (Bristol) Representation theory with rhombus tilings

7th June Geoff Smith (Bath) Sums of squares and Euclidean geometry ( Abstract )

Autumn Semester 2004

28th September Charles Eaton (UMIST) Strongly p-solvable blocks Abstract

5th October Marcus du Sautoy (Oxford) Through the looking glass: groups from a number theoretic perspective Abstract

12th October Katrin Tent (Birmingham) BN-Pairs and the Moufang condition Abstract

19th October Shahn Majid (QMW) Riemannian geometry on algebras and quasialgebras Abstract

26th October Michael Vaughan-Lee (Oxford) Groups of order p^7 Abstract

2nd November Steve Donkin (QMW) On projective and injective polynomial modules Abstract

9th November Alan Camina (UEA) Recognising finite groups from their conjugacy class sizes Abstract

16th November Rowena Paget (Leicester) Defining Young modules for Brauer algebras Abstract

23rd November Mike Batty (Newcastle) Extending the Promise of the Deutsch-Jozsa-H ø yer Algorithm for Finite Groups Abstract

30th November Robert Wilson (QMW) Finite groups with small automorphism groups Abstract

7th December Eamonn O'Brien (Auckland) Effective algorithms for the study of linear groups Abstract

14th December Ran Levi (Aberdeen) TBA Abstract