Some model theory of SL(2,R)

2015/01/01 by Jakub Gismatullin, Davide Penazzi, Anand Pillay · 2 citations
Computer Science · Mathematics · #semigroups and automata theory #Advanced Topology and Set Theory #Geometric and Algebraic Topology

paper · pdf · doi:10.4064/fm229-2-2

Abstract

We study the action of G = \rm SL (2,\mathbb R), viewed as a group definable in the structure M = (\mathbb R,+,× ), on its type space S_G(M). We identify a minimal closed G-flow I and an idempotent r∈ I (with respect to the Ellis se

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