Project description
Higgs bundle geometry seen in a new light
Higgs bundles are the subject of research in several areas in mathematics and physics. A central feature of Higgs bundles is that they come in collections parametrised by the points of a quasi-projective variety: the moduli spaces of Higgs bundles, which have been found to play a central role in the geometric Langlands programme. Research is currently focussing on inducing the full Langlands correspondence from the Higgs bundle abelianised version. The EU-funded GoH project will expand on the research by studying central elements of the geometry of Higgs bundles from a new perspective. In particular, it will explore the Bialynicki-Birula stratification through advanced algebraic techniques and carefully study the irreducible components of the nilpotent cone by applying the theory of SU(p,q)-Higgs bundles.
Objective
Higgs bundles play a fundamental role in the current panorama of mathematics and theoretical physics through their many connections. Amongst the latter is the link with the geometric Langlands programme, a suitable generalization of the relation between a curve and its Picard variety, which moreover admits a natural quantum field theoretical interpretation. According to this, any G- local system on a curve yields a perverse sheaf on the moduli stack of G*-bundles (where G* is the Langlands dual to G). A simpler (abelianised) version of the geometric Langlands programme has been proven for Higgs bundles by Donagi and Pantev. A programme initiated by these two scientists aims at inducing the full Langlands correspondence from its abelianised version. Building on the work of the researcher and the hosts, we will fill in the gaps of this program and provide alternative tools broadening the current state of the art also beyond this action. In doing so, we will study central elements of the geometry of Higgs bundles from a new perspective. More precisely, we will give a way to understand the Bialynicki-Birula stratification via algebraic techniques, and, related to that, carefully study the irreducible components of the nilpotent cone, applying also the theory of SU(p,q)-Higgs bundles. Finally, we will explore the case of positive characteristic, with the aim to shed light on the Hecke eigenproperty in this setting.
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.
- natural sciences mathematics pure mathematics geometry
- natural sciences physical sciences theoretical physics
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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)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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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.
Funding Scheme
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.
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.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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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.
(opens in new window) H2020-MSCA-IF-2019
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
06100 Nice
France
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