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Birmingham and Warwick Algebra Seminar
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This is a weekly research seminar in algebra, normally with external speakers. In the academic year 2020/2021 it will be held on Thursdays at 3pm, with the zoom room opening beforehand at 2:50. A zoom address will be sent round weekly by email. Please write to one of the organisers if you’d like to be added to the mailing list. 4 upcoming talks and 270 talks in the archive. Finite simple groups, prime order elements and width
Towards the classification of symplectic linear quotient singularities admitting a symplectic resolution
Green-type theorems for representations of Hall algebras
How vertex-stabilizers grow?
Comparing different bases for irreducible symmetric group representations
Nilpotent Associative Algebras and Coclass Theory
Tautological p-Kazhdan Lusztig Theory for cyclotomic Hecke algebras.
The classification of the simple restricted modules of the non-restricted, non-graded Hamiltonian Lie algebra H(2; (1,1); Φ(1))
Real Representations of C_2 - Graded Groups
Intersections of maximal subgroups in finite groups
Generating lamplighter groups with bireversible automata
Nilpotent orbits arising from admissible affine vertex algebras
Defining R and G( R )
Character bounds for finite groups of Lie type
On the number of characters in the principal p-block
Birational sheets of conjugacy classes in reductive groups
Macdonald polynomials and decomposition numbers for finite unitary groups
The highwater algebrahttps://tinyurl.com/bhamalgsem
On finite groups as products of normal subsets
Extremely primitive groups
Groups acting with low fixity
Universal quantizations of nilpotent Slodowy slices
Generic Computations with Reductive Groups and Finite Groups of Lie Type
The maximal subgroups of E7(q)
An algorithm to construct 2-generated axial algebras
Fusion systems on maximal class p-groups
Unitriangularity of Decomposition Matrices of Unipotent Blocks
Twists in representation theory
Representations of algebraic groups and their Lie algebras
Saturated fusion Systems on a Sylow $p$-subgroup of a rank 2 Lie Type Group
Examples of Degenerations of Frobenius Algebras
Invariable generation of finite classical groups
The general Sakuma Theorem
Diagonal structures and primitive permutation groups
Groups of card shuffles
Constructing the automorphism group of a finite group
Isomorphic subgroups of finite solvable groupsNote this seminar is on Tuesday rather than Thursday
Bases for primitive permutation groups
Linear characters of Sylow subgroups of the symmetric group
The compressed word problem in groups
Maximal subgroups of Grigorchuk-Gupta-Sidki (GGS-)groups
The structure of axial algebras
Higher Modular Representations of Lie Algebras
Classifying 2-blocks with an elementary abelian defect group
Embedding of PSL_2(q) in exceptional groups of Lie type
The maximal dimensions of simple modules over restricted Lie algebras
Almost Engel compact groups
Equiangular lines, Incoherent sets and the Mathieu Group M_23
Why the Galois-McKay conjecture and new consequences17th Meeting: Groups & Their Applications
Picard groups of blocks and Donovan’s conjecture17th Meeting: Groups & Their Applications
The Structure of Induced Simple Modules for 0-Hecke Algebras17th Meeting: Groups & Their Applications
Towards a generic representation theory.
Crowns in finite groups: Theory and applicationsNote unusual room
First cohomology of Frobenius kernels and truncated invariants
On Cherlin's conjecture for finite primitive binary permutation groups.
large centralizers in finite groups.
The loop space homology of a small category
Dirac operators and Hecke algebras
Endotrivial modules, local group theory, and homotopy theory
Maximal subalgebras of simple Lie algebras over fields of good characteristic
Simple fusion systems over p-groups with unique abelian subgroup of index p
The Jacobson-Morozov Theorem and complete reducibility of Lie subalgebras
Fact Checking the Atlases of Finite Groups.
Uniform Domination for Simple Groups
The mod 2 homology of the simplex and representations of symmetric groupsNote Thursday
Weight conjectures for fusion systemsNote LRB
On decomposition numbers and bad primes
Two problems involving the divisor functions
Complete reducibility in exceptional algebraic groups: the good, the bad and the ugly
Homomorphic encryption and black box algebra
Generating graphs
Semiprimitive groups
Lectures on p-groups, their associated Lie algebras and automorphism groups (Part 4)
Lectures on p-groups, their associated Lie algebras and automorphism groups (Part 3)
Lectures on p-groups, their associated Lie algebras and automorphism groups (Part 2)
Lectures on p-groups, their associated Lie algebras and automorphism groups (Part 1)
Computing with matrix groups over infinite fields: methods, algorithms and applications
Growth of homology torsion
The Exotic Robinson-Schensted Correspondence
Partial linear spaces with symmetry
Fusion systems and sporadic J-components
3-spherical Curtis-Tits groups
On a subgroup introduced by J.GrodalLMS Groups and their applications triangle meeting
Characters of odd degree of symmetric groupsLMS Groups and their applications triangle meeting
Detecting local properties in the character table.LMS Groups and their applications triangle meeting
Parking spaces and Catalan combinatorics for complex reflection groups
The Generalised Nilradical of a Lie Algebra
Generalisations of Koszul algebras and the Ext algebra
Modular invariant theory and Galois ring extensions
Poisson homology of the nilpotent cone
The regular representations of GL_N over finite local principal ideal rings
Algebras of Jordan type
Some open problems on restricted enveloping algebras
Maximal subgroups of the Monster
Maximal subgroups and irreducible restrictions
Dessins d'enfants and finite groups
Coprime action and Brauer characters
Uncountably many groups of type FP
Blobs and towers of recollement in affine Hecke algebras
The structure of twisted Foulkes modules
Torsion growth for Bianchi groups
Automorphism groups of edge-transitive maps
On the automorphisms of quantum Weyl algebras
Invertible modules for discrete groups
Classifying Morita equivalence classes of blocksLMS Groups and their applications triangle meeting
Graded decomposition numbers for Specht modulesLMS Groups and their applications triangle meeting
Rationality of blocks of quasi-simple finite groupsLMS Groups and their applications triangle meeting
Prime ideals in completed group algebras
Broué's perfect isometry conjecture holds for the double covers of the symmetric and alternating groups
Derangements and extremal permutation groups
A proof of De Concini-Kac-Procesi conjecture and Lusztig's partition
Universal K-matrix for quantum symmetric pairs
Minimal and maximal constituents of plethysms
Branching problems and maximal subgroups of classical groups
Modular representations of gl_n
On a general Schur's partition identity
The Thompson chain of perfect groups
Relative asphericity and proving groups infinite
A Rational Hilbert-Mumford Theorem
A generalization of a theorem of Camina and Herzog
Modularity and the Fermat Equation over Totally Real Fields
The graded representation theory of the symmetric group and dominated homomorphisms
Invariants of Specht modules
Graded RoCK blocks and wreath products
Local-global conjectures in the representation theory of finite groupsLMS Groups and their applications triangle meeting
Foulkes modules for the symmetric groupLMS Groups and their applications triangle meeting
Cohomology for finite and algebraic groupsLMS Groups and their applications triangle meeting
Block Decompositions of Categories of Modules Determined By Varieties
Simple groups which are almost of Lie type
Fusion systems on groups with an abelian subgroup of index p
Dual singularities in exceptional type nilpotent cones
Permutation puzzles and finite simple groups
Schubert calculus and Gelfand-Zetlin polytopes
Spectral multipliers and group representations: analysis of the Kohn Laplacian on complex spheres
Lusztig symbols and the representation theory in type BnConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Vertices of simple modules of symmetric groupsConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
A central extension of the Hecke algebra at q = −1Conference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Categorical actions and Cherednik algebrasConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Foulkes characters: deflations, twists and algorithmsConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
On the character degree sets of Sn, An and related groupsConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Transitive 2 representation of finitary 2- categoriesConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Graded column removal for homomorphisms between Specht modulesConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Jantzen filtrations for cyclotomic Hecke algebrasConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Garnir relations and Dyck tilingsConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Blocks of KLR algebras of small defectConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Modular representations of symmetric groups and KLR algebrasConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Decomposition numbers from tilingsConference: Representations of Symmetric Groups, Hecke Algebras and KLR Algebras
Decomposing Generalised Gelfand–Graev Representations (GGGRs)
Globally reductive groups
Chebyshev polynomials and tensor diagrams
On Fixed-Point-Free Automorphisms
Height extensions of the Temperley–Lieb category
Whittaker coinvariants in category O for gl(m|n)
Brauer relations in finite groups
Koszulity for Brauer graph algebras
When Artin groups are sufficiently large...
The partition algebra and the Kronecker coefficients
Representations of the alternating group that remain irreducible in characteristic p
Braid groups and quiver mutation
Combinatorial fun with Kac-Moody-like groups
Curtis–Tits Groups of simply-laced type
New approaches to black box groups
Krull dimension of affinoid enveloping algebras
The geometries of the Freudenthal-Tits magic square
Geometric invariant theory and spherical buildings
Reading endotrivial modules on the Brauer tree
Maximal Subgroups of Classical Groups
Classical and non-classical subgroups of Schottky groups
Classifying superconformal field theories via chiral ringsPostgraduate seminar
Local subgroups of topological Kac-Moody groups
How do you decide if a group is an amalgam?
Primitive triangle free strongly regular graphs, a survey: from Dale Mesner to recent results
Finite groups of Lie type and their representations IISpecial lectures, supported by DAAD
Maximal subgroups of free idempotent generated semigroupsPostgraduate seminar
Finite groups of Lie type and their representations ISpecial lectures, supported by DAAD
Finite Group Actions on Compact Riemann Surfaces
Lie group symmetries of crystals with defects
Overgroups of regular elements
Some algebraic properties of compact topological groups
Derived subalgebras of centralisers and primitive ideals
Z*-theorem for odd primes and for source algebras in blocks of finite groups
Permutation groups where non-trivial elements have few fixed points
Simple groups and magic words
A Majorana theory?
Character deflations, wreath products and Foulkes' Conjecture
Chevalley restriction theorem for vector-valued functions on quantum groups
Decision problems for profinite groups
Remarks on Amalgams and Fusion
Coverings of groups by subgroups
Localization theory for quantum Hamiltonian reductions
What can you say about a finite group if you know something about the conjugacy class sizes?
Normal subgroups of compact groups
On local symmetric algebras and finite group algebras
Kazhdan–Lusztig Cells and Categorification
Geometric characterizations of symplectic groups, modules and Lie algebras
TBA
Using model theory to understand modules
Products of finite nilpotent groups
The generating graph of direct powers of simple groups
The spread of a finite group
Local/global conjectures in representation theory
Computation in finite matrix groups
Is Babai afraid of spiders?
On the archaeology of unipotent radicals
A quaternionic approach to E_7
Calculating conjugacy classes of Sylow p-subgroups of Chevalley groups
Unipotent blocks of GL_n(q) and Deligne-Lusztig varieties
Group presentations where the generators weigh more than the relators
Modern methods and recent progress in integer factorization
Extremely primitive groups
Local representation theory
Fixed-point-free automorphisms of p-groups
Commuting classes of matrices with entries from a finite field
On simple modules for the Brauer algebra
Topological Representations and the Model Theory of Abelian Group Rings
Generalizations of representations of quivers and preprojective algebras
Affine W-algebras
Polygonal complexes II
Automorphisms of soluble groups
Modules for elementary abelian groups and vector bundles on projective space
Finite groups of Lie type as Galois groups over rational numbers
Generalized spin representations
TBA
Irreducible actions of geometric subgroups of classical algebraic groups
Characteristic varieties of modules over enveloping algebras and Iwasawa algebras
Lie theory for finite simple groups
Modular Lie powers of relation modules and free central extensions of groups
Aspherical values of rational Cherednik algebras
TBA
TBA
TBA
A refinement of the McKay conjecture for arbitrary finite groups
On Behr's rank conjecture on the finiteness properties of S-arithmetic groups
The isomorphism problem for almost split Kac-Moody groups
Algorithms and numbers of generators for finite matrix groups
Minimax Sets in Some Classical Groups of Dimension 3
Group actions on curves and their Weierstrass points
Mapping Class Groups and Complexes of Curves on Orientable/Nonorientable Surfaces
Characteristic Subgroups for Pushing UpGroup theory day
p-Groups with Maximal Elementary Abelian p-Subgroups of Rank 2Group theory day
The Diameter of the Monster GraphGroup theory day
Kac-Moody groupsGroup theory day
Periodic automorphisms of simple Lie algebras
Metric dimensions of graphs arising from partial cubes
Additive group invariants in positive characteristic
Symmetric generation of the Rudvalis group
Torsion Units in Integral Group Rings of Sporadic Simple Groups
Elementary constructions of Suzuki and Ree groups
Majorana representations of groups
Cuspidal representations for rational Cherednik algebras
Irreducible characters of Sylow p-subgroups of D_4(p^k)
Rational Cherednik algebras, Hilbert schemes of points and quantum Hamiltonian reduction
What is a q-reflection group?
A class of groups universal for free R-tree actions
The decomposition matrix of the Brauer algebra over the complex field
Catalan numbers for complex reflection groups
Rank Polynomials
Equivariant Riemann-Roch theorems for curves
Mickelsson algebras and irreducible representations of Yangians
Groups and Surfaces
Median spaces, properties (T) and Haagerup, applications to mapping class groups
On the geometry of extremal elements in Lie algebras
Finite W-algebras and primitive ideals
If you have a question about this list, please contact: David Craven; Chris Parker; Simon Goodwin; Lewis Topley. If you have a question about a specific talk, click on that talk to find its organiser. |
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Alex Malcolm (Bristol).
Thursday 25 February 2021, 15:00-16:00