Objective
This research project focuses on the structure, classification and rigidity of three closely related objects: group
actions on measure spaces, orbit equivalence relations and von Neumann algebras. Over the last 15 years, the study of interactions between these three topics has led to a process of mutual enrichment, providing both striking theorems and outstanding conjectures.
Some fundamental questions such as Connes' rigidity conjecture, the structure of von Neumann algebras associated with higher rank lattices, or the fine classification of factors of type III still remain untouched. The general aim of the project is to tackle these problems and other related questions by developing a further analysis and understanding of the interplay between von Neumann algebra theory on the one hand, as well as ergodic and group theory on the other hand. To do so, I will use and combine several tools and develop new ones arising from Popa's Deformation/Rigidity theory, Lie group theory (lattices, boundaries), topological and geometric group theory and representation group theory (amenability, property (T)). More specifically, the main directions of my research project are:
1) The structure of the von Neumann algebras arising from Voiculescu's Free Probability theory: Shlyakhtenko's free Araki-Woods factors, amalgamated free product von Neumann algebras and the free group factors.
2) The structure and the classification of the von Neumann algebras and the measured equivalence relations arising from lattices in higher rank semisimple connected Lie groups.
3) The measure equivalence rigidity of the Baumslag-Solitar groups and several other classes of discrete groups acting on trees.
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 mathematical analysis functional analysis operator algebra
- natural sciences mathematics applied mathematics statistics and probability
- natural sciences mathematics pure mathematics algebra algebraic geometry
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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.1.1. - EXCELLENT SCIENCE - European Research Council (ERC)
MAIN PROGRAMME
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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.
ERC-STG - Starting Grant
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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) ERC-2014-STG
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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.
91190 GIF-SUR-YVETTE
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.