#weyl-group
Documents
The purpose of these notes is to present a motivating simple case of a joint project with Y Guivarc'h and J Ph Anker The project itself concerns the compactification of Bruhat Tits buildings that is the geometries naturally attached to semisimple groups over locally compact non Archimedean local fields We deal with the geometric the measure theoretic due to Furstenberg the group theoretic due to Guivarc'h and the polyhedral compactifications The point is to define them to identify them and then to use them to parametrize closed subgroups of dynamical interest Our guideline is the case of symmetric spaces
Documents
Rapports de stage
The purpose of these notes is to present a motivating simple case of a joint project with Y Guivarc'h and J Ph Anker The project itself concerns the compactification of Bruhat Tits buildings that is the geometries naturally attached to semisimple groups over locally compact non Archimedean local fields We deal with the geometric the measure theoretic due to Furstenberg the group theoretic due to Guivarc'h and the polyhedral compactifications The point is to define them to identify them and then to use them to parametrize closed subgroups of dynamical interest Our guideline is the case of symmetric spaces
12 pages
English
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