Objective
Two of the central problems in the representation theory of reductive algebraic groups are, firstly, to understand simple representations and their characters (in particular, to determine the so-called decomposition numbers), and, secondly, to determine ex tensions between simple representations, thus aiming to describe indecomposable ones.
Schur algebras are a class of finite-dimensional algebras whose representation theory encapsulates the representation theory of (infinite) reductive algebraic groups. This project will focus on the ring theoretic structure and cohomological properties of Schur algebras and will cover both characteristic independent and characteristic dependent situations. This algebraic approach is different from the geometric approach, as taken in Kazhdan-Lusztig theory, where small characteristics are not covered.
The proposed research will combine two main objectives.
- The first objective will provide a practicable description of a certain triangulated subcategory of the derived category of hereditary which - applied to Schur algebras - will allow us to explicitly compute extensions between Weyl modules, thus gaining information about decomposition numbers.
- The second objective will then focus on structural information on Schur algebras, namely Morita equivalences between sub-and factor algebras and in particular between blocks.
The project will be carried out at the Mathematical Institute in Oxford under the supervision of Dr Erdmann and Dr Henke, who are both experienced researchers in the field.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
FP6-2005-MOBILITY-5
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
OXFORD
United Kingdom
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