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- Centre National de la Recherche ScientifiqueFR431 papers
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4 papers · 2 filters
Sharp estimates for distinguished random walks on affine buildings of type Ar
Jean-Philippe Anker, Bruno Schapira, Bartosz Trojan
We study a distinguished random walk on affine buildings of type Ar , which was already considered by Cartwright, Saloff-Coste and Woess. In rank r=2, it is the simple random walk…
Construction of Brooks-Lindenstrauss kernels on affine buildings of arbitrary reduced type, with applications
Jean-Philippe Anker, Bertrand Rémy, Bartosz Trojan
This article deals with harmonic analysis on affine buildings. Its main goal is to construct suitable kernels associated to a discrete multitemporal wave equations on the latter sp…
Optimal bounds for the Dunkl kernel in the dihedral case
Jean-Philippe Anker, Bartosz Trojan
We establish sharp upper and lower estimates of the Dunkl kernel in the case of dihedral groups.
Guido Weiss: a few memories of a friend and an influential mathematician
Pascal Auscher, Aline Bonami
This contribution starts with an exchange between us on the way we met Guido and he influenced our mathematical lives. Then it is mainly a survey paper that illustrates this influe…