Project description
Classification and structure theory for amenable C-dynamics
C-algebras have applications in fields including operator theory, group representations, quantum mechanics, non-commutative geometry and dynamical systems. About a decade ago, George A. Elliott developed a system of classification of C-algebras, and subsequent research led to the discovery that a large class of simple so-called amenable C-algebras is classifiable and practically applicable to dynamical systems. The ERC-funded AMEN project aims to pioneer the classification and structure theory for C-dynamics, encompassing groups acting continuously on C-algebras, and investigate to what extent their detailed structure is encoded at the level of computable invariants. Outcomes are expected to provide groundbreaking insight into C-dynamics.
Objective
Our understanding of amenable C*-algebras has drastically improved over the past decade due to substantial advances in the Elliott classification program. The proposed research is intended to spearhead the classification and structure theory for C*-dynamics, which encompasses groups acting continuously on C*-algebras and the question to which extent their detailed structure is encoded at the level of computable invariants. The objectives involve the following lines of investigation:
- The case of discrete groups acting on simple amenable C*-algebras, the latter of which have become accessible due to recent methodological breakthroughs within Elliott's program. The task is to develop a dynamical version of Elliott's program, i.e. to consider natural categories of such group actions, identify functorial invariants such as K-theory and traces, and show that these invariants completely classify a naturally occuring category up to a suitable notion of isomorphism.
- The theory of invariants for noncommutative C*-dynamics. This field is faced with numerous open problems requiring solutions before a fully general classification theory can be developed. This part of the project addresses the need for effective computational methods for equivariant Kasparov classes, or systematic techniques to exploit equivariant Ext-theory for the purpose of classification.
- The case of noncommutative time evolutions, which includes new rigidity phenomena for the passage of time in simple C*-algebras, both with and without the presence of equilibrium states.
A deeply rooted theme within all these objectives is the presence of amenability for the actions and the C*-algebras, which gives rise to radically new phenomena in the context of non-amenable acting groups. Drawing ideas from diverse areas such as the Elliott program, equivariant Kasparov theory, classical and noncommutative ergodic theory, novel methods are proposed to achieve groundbreaking results in the area of C*-dynamics.
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
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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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HORIZON.1.1 - European Research Council (ERC)
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Topic(s)
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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.
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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.
HORIZON-ERC - HORIZON ERC Grants
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2023-COG
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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.
3000 LEUVEN
Belgium
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