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Contenuto archiviato il 2024-05-28

Random walks on hyperbolic groups

Obiettivo

The project lies at the confluent of different mathematical fields: probability theory, algebra, and geometry. There is a contribution of A. V. Vershik in a special Springer volume about the future of mathematics in the 21st century that points out the prospects and challenges that are comprised in the interplay of probability theory and algebra. Here random walk theory, a branch of probability theory, plays a mayor role. There are two points of view to look at the relation between probability theory, algebra, and geometry. The probabilistic viewpoint concerns all questions regarding the impact of the underlying structure on the behavior of the corresponding random walk. Typically one is interested in transience/recurrence, spectral radius, rate of escape, and central limit theorems. On the other hand, random walks are a useful tool to describe the structure that underlies the random walk. In particular, algebraic and geometric properties can be classified due to the behaviour of the corresponding random walks. The project falls exactly into this topic: we will study random walks on hyperbolic groups. The objectives are to prove a central limit theorem for random walks on hyperbolic groups and provide geometric interpretations of the asymptotic variance. This will arise from a geometric perspective in the flavour of the interpretation for the rate of escape in terms of entropy and requires deeper knowledge of hyperbolic geometry together with inspiration and new ideas. The project will settle the ground for future collaboration, not only between France and Germany but also on an European level, since the host institute and the applicant have strong European contacts. Furthermore, the project can be seen as a continuation and complement of the existing Marie Curie contract ``European Training Courses and Conferences in Group Theory''.

Campo scientifico (EuroSciVoc)

Parole chiave

Argomento(i)

Invito a presentare proposte

FP7-PEOPLE-IEF-2008
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Meccanismo di finanziamento

MC-IEF - Intra-European Fellowships (IEF)

Coordinatore

UNIVERSITE D'AIX MARSEILLE
Contributo UE
€ 156 712,58
Indirizzo
BOULEVARD CHARLES LIVON 58 LE PHARO
13284 Marseille
Francia
Regione
Provence-Alpes-Côte d’Azur Provence-Alpes-Côte d’Azur Bouches-du-Rhône
Tipo di attività
Higher or Secondary Education Establishments
Collegamenti
Costo totale
Nessun dato

Partecipanti (1)