Objective
The project is on the interface between time-frequency analysis and operator algebras. In the last decade the relevance of operator algebras in time-frequency analysis and Gabor analysis has evolved mainly due to the contributions of Groechenig, Janssen and their collaborators. The operator algebras that have appeared in these works are twisted group C*-algebras or more generally crossed products. In the present project the proposer wants to explore the deeper structure of crossed products to gain some new insight about time-varying filters and Gabor frames. The methods involved in these investigations are modern methods from operator algebras such as groups of automorphisms, projective modules over twisted group C*-algebras and the K-theory of operator algebras. The proposer will invoke deep results of Arveson, Connes, Elliott, Evans, Haagerup, Pimsner, Rieffel and Voiculescu obtained in the study of noncommutative tori and irrational rotation algebras. Another aspect of the proposal deals with varying the lattice of a Gabor frame and the approximation of a continuous Gabor frame by finite-dimensional Gabor frames. The work of Rieffel on strict deformation quantization, continuous fields of C*-algebras and the notion of quantum Gromov-Hausdorff distance will provide the correct operator algebraic setting for these topics. Coming from NuHAG and EUCETIFA the candidate is at one of the sources of research in time-frequency analysis. The choice of the outgoing host institution UC Berkeley is dictated by the concentration of operator analysts there. In particular the established scientific contacts to Rieffel will be very valuable. After the return to Europe the insight obtained will be further developed in cooperation with the researchers there, and the consequences for applications (for the study of time-variant systems etc.) will be exploited.
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 algebra
- natural sciences mathematics pure mathematics mathematical analysis functional analysis operator algebra
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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.
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.
FP7-PEOPLE-2007-4-1-IOF
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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.
Coordinator
1010 WIEN
Austria
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.