RAWG
Random walks and Growth of Groups
| Coordinatore | CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie. |
| Nazionalità Coordinatore | France [FR] |
| Totale costo | 856˙320 € |
| EC contributo | 856˙320 € |
| Programma | FP7-IDEAS-ERC
Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) |
| Code Call | ERC-2010-StG_20091028 |
| Funding Scheme | ERC-SG |
| Anno di inizio | 2010 |
| Periodo (anno-mese-giorno) | 2010-09-01 - 2015-08-31 |
Partecipanti
| # | ||||
|---|---|---|---|---|
| 1 |
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Organization address
address: Rue Michel -Ange 3 contact info |
FR (PARIS) | hostInstitution | 856˙320.00 |
| 2 |
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Organization address
address: Rue Michel -Ange 3 contact info |
FR (PARIS) | hostInstitution | 856˙320.00 |
Mappa
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Obiettivo del progetto (Objective)
'The goal of this project is to study random walks on groups, with the focus on boundary theory. We plan to establish new criteria for estimates of the entropy and Poisson-Furstenberg boundary triviality and apply this method to study the following question: which groups admit simple random walks with trivial boundary? In particular, we want to produce a classification for classes of solvable groups, more generally elementary amenable groups, and groups acting on rooted trees. We plan to make a contibution in the solution of the conjecture of Vershik and Kaimanovich, posed in the early eighties, that states that any group of exponential growth admits a symmetric measure with non-trivial boundary. We plan to study applications of random walks to growth of groups. In my previous work I have produced a method to use boundaries in order to obtain new low estimates for groups of Grigorchuk of intermediate growth. We plan to construct new classes of groups of intermediate growth, and to refine the existing method to obtain sharp bounds of the growth function. We also want to address Grigorchuk's conjecture about the gap in the range of possible growth functions of groups. Further applications include large scale geometrical properties of amenable groups, including amenable groups acting on rooted trees, as well as groups of orientation preserving diffeomorphisms of the interval, in particular, Richard Thompson group F'