FIDAGG

"FINITE DIMENSIONAL APPROXIMATIONS OF GRAPHS, GROUPS AND ALGEBRAS"

Coordinatore	ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE    more  Organization address address: BATIMENT CE 3316 STATION 1 city: LAUSANNE postcode: 1015 contact info Titolo: Prof. Nome: Nicolas Cognome: Monod Email: send email Telefono: +41 21 693 79 28
Nazionalità Coordinatore	Switzerland [CH]
Totale costo	240˙705 €
EC contributo	240˙705 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2010-IEF
Funding Scheme	MC-IEF
Anno di inizio	2011
Periodo (anno-mese-giorno)	2011-09-01   -   2013-08-31

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE  Organization address address: BATIMENT CE 3316 STATION 1 city: LAUSANNE postcode: 1015 contact info Titolo: Prof. Nome: Nicolas Cognome: Monod Email: send email Telefono: +41 21 693 79 28	CH (LAUSANNE)	coordinator	240˙705.00

Mappa

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 Obiettivo del progetto (Objective)

'Finite dimensional approximation phenomenon is laying at the crossroads of graph theory, group theory and operator algebras. It helps to understand constant-time algorithms, von Neumann factors and several interesting conjectures on discrete groups.

In a nutshell, finite dimensional approximation means that certain infinite structures, groups, graphs, measurable equivalence relations or algebras can be regarded as limits of finite or finite dimensional objects.

Using the limit notions one can prove theorems in the finite world by looking at the limits, or prove theorems about infinite groups or infinite dimensional algebras by investigating the finite objects.

The theory (and the proposal itself) is closely related to famous problems such as the Atiyah Conjecture or the Connes Embedding Conjecture.

Gabor Elek, the researcher in the proposal is an expert of this area and made successful research on various branches of finite dimensional approximation theory such as sofic groups, L2-invariants, profinite actions and hypergraph limits. He proposes to attack several problems of the area. His ultimate goal is to work out a general theory of the subject and to extend the scope of finite dimensional approximation theory to some new areas of mathematics.

Elek currently holds a senior researcher position at the Alfred Renyi Mathematical Institute of the Hungarian Academy of Sciences. If funded, he intends to build further connections between the Hungarian combinatorics school and European institutions.'