PhD Studentship: 2-Representation Theory and Applications to Representation Theory and Number Theory
University of East Anglia
In the last 20 years, categorification has started to play an important role in representation theory. For example, categorifications of algebras such as quantum groups and Hecke algebras have led to proofs or counterexamples of major conjectures, such as proofs of Broué’s abelian defect group conjecture for symmetric groups and the Kazhdan—Lusztig conjectures for all Coxeter types, as well as counterexamples to James’ conjecture and Lusztig’s conjecture. This success has led to a desire to understand the catego...
In the last 20 years, categorification has started to play an important role in representation theory. For example, categorifications of algebras such as quantum groups and Hecke algebras have led to proofs or counterexamples of major conjectures, such as proofs of Broué’s abelian defect group conjecture for symmetric groups and the Kazhdan—Lusztig conjectures for all Coxeter types, as well as counterexamples to James’ conjecture and Lusztig’s conjecture. This success has led to a desire to understand the catego...
Opportunity details
In the last 20 years, categorification has started to play an important role in representation theory. For example, categorifications of algebras such as quantum groups and Hecke algebras have led to proofs or counterexamples of major conjectures, such as proofs of Broué’s abelian defect group conjecture for symmetric groups and the Kazhdan—Lusztig conjectures for all Coxeter types, as well as counterexamples to James’ conjecture and Lusztig’s conjecture. This success has led to a desire to understand the categorified structures by studying their representation theory. Where in classical representation theory an algebra acts on vector spaces by linear transformations, in the categorified version a 2-category (categorifying the algebra) acts on categories (categorifying the vector space) by functors. Since functors have morphisms between them (so-called natural transformations), we obtain an extra layer of data that gives additional information about the algebra we originally wanted to study. On the other hand, the natural transformations often form algebras that we are already interested in and we obtain categorical actions on their representation categories. The most important examples include: 1) categorifications of quantum groups, where applications are obtained by analysing the action of these categorified quantum groups on suitable (derived) categories of representation of p-adic general linear groups with the aim to translate this information through the local Langlands correspondence to obtain new information on questions in number theory. 2) categorifications of Hecke algebras via Soergel bimodules, which have very interesting and only partially understood 2-representation theory in their own right, as well as applications to the representation theory of alg...
Eligibility
The standard minimum entry requirement is 2:1 in Mechanical Engineering, Energy Engineering, Engineering, Chemical Engineering, Chemistry, Chemical Physics, Material Science. Start date: 1 October 2027 Funding Details This PhD project is in a competition for a Faculty of Science funded studentship. Funding is available to UK applicants and comprises ‘home’ tuition fees and an annual stipend for 3 years. The current UEA / institutional PhD stipend rate is £21,805 and will be subject to any agreed inflationary uplift for 2027/28.
Requirements
The standard minimum entry requirement is 2:1 in Mechanical Engineering, Energy Engineering, Engineering, Chemical Engineering, Chemistry, Chemical Physics, Material Science. Start date: 1 October 2027 Funding Details This PhD project is in a competition for a Faculty of Science funded studentship. Funding is available to UK applicants and comprises ‘home’ tuition fees and an annual stipend for 3 years. The current UEA / institutional PhD stipend rate is £21,805 and will be subject to any agreed inflationary uplift for 2027/28.
Funding and benefits
Funding eligibility: UK Students. Funding amount: £21,805. This PhD project is in a competition for a Faculty of Science funded studentship. Funding is available to UK applicants and comprises ‘home’ tuition fees and an annual stipend for 3 years. The current UEA / institutional PhD stipend rate is £21,805 and will be subject to any agreed inflationary uplift for 2027/28.
How to apply
The most important examples include: 1) categorifications of quantum groups, where applications are obtained by analysing the action of these categorified quantum groups on suitable (derived) categories of representation of p-adic general linear groups with the aim to translate this information through the local Langlands correspondence to obtain new information on questions in number theory. 2) categorifications of Hecke algebras via Soergel bimodules, which have very interesting and only partially understood 2-representation theory in their own right, as well as applications to the representation theory of algebraic groups through studying the categorification of the anti-spherical module.
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Benefits
Funding eligibility: UK Students. Funding amount: £21,805. This PhD project is in a competition for a Faculty of Science funded studentship. Funding is available to UK applicants and comprises ‘home’ tuition fees and an annual stipend for 3 years. The current UEA / institutional PhD stipend rate is £21,805 and will be subject to any agreed inflationary uplift for 2027/28.
Eligibility summary
The standard minimum entry requirement is 2:1 in Mechanical Engineering, Energy Engineering, Engineering, Chemical Engineering, Chemistry, Chemical Physics, Material Science. Start date: 1 October 2027 Funding Details This PhD project is in a competition for a Faculty of Science funded studentship. Funding is available to UK applicants and comprises ‘home’ tuition fees and an annual stipend for 3 years. The current UEA / institutional PhD stipend rate is £21,805 and will be subject to any agreed inflationary uplift for 2027/28.
Requirements
The standard minimum entry requirement is 2:1 in Mechanical Engineering, Energy Engineering, Engineering, Chemical Engineering, Chemistry, Chemical Physics, Material Science. Start date: 1 October 2027 Funding Details This PhD project is in a competition for a Faculty of Science funded studentship. Funding is available to UK applicants and comprises ‘home’ tuition fees and an annual stipend for 3 years. The current UEA / institutional PhD stipend rate is £21,805 and will be subject to any agreed inflationary uplift for 2027/28.
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