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20012025
most citedKac-Moody groups and cluster algebras

177 citations

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math.NT2005

A Note on a result of Iwasawa

Bruno Angles, Thomas Herreng

We recover a result of Iwasawa on the p-adic logarithm of principal units with the use of the value at 1 of p-adic L-functions. We deduce an Iwasawa-like result in the odd part of…

math.CO2005

Combinatorics of normal sequences of braids

Patrick Dehornoy

Many natural counting problems arise in connection with the normal form of braids--and seem to have never been considered so far. Here we solve some of them by analysing the normal…

math.NA2005

Spherical Harmonics Expansion of the Vlasov-Poisson initial bounary value problem

Christian Dogbe

We derive and analyze the ‘SHE' (Spherical Harmonics Expansion) type system of equations coupled in energy. We also show that diffusive behavior occurs on long time and dista…

math.OA2005

On locally compact quantum groups whose algebras are factors

Pierre Fima

In this paper we are interested in examples of locally compact quantum groups such that both von Neumann algebras, and the dual , are factors. There is a lot o…

math.GR2005★ 82 cited

On the automorphism group of generalized Baumslag-Solitar groups

Gilbert Levitt

A generalized Baumslag-Solitar group (GBS group) is a finitely generated group which acts on a tree with all edge and vertex stabilizers infinite cyclic. We show that Out(G) ei…

math.OA2005★ 7 cited

Semilattices of groups and nonstable K-theory of extended Cuntz limits

Enrique Pardo, Friedrich Wehrung

We give an elementary characterization of those (abelian) semigroups that are direct limits of countable sequences of finite direct products of monoids of the form …