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Moore [Fund. Math. 220 (2013)] characterizes the amenability of the automorphism groups of countable ultrahomogeneous structures by a Ramsey-type property. We extend this result to the automorphism groups of metric Fraïssé structures, which encompass all Polish groups. As an application, we prove that amenability is a condition.
Adriane Kaïchouh. "Amenability and Ramsey theory in the metric setting." Fundamenta Mathematicae 231.1 (2015): 19-38. <http://eudml.org/doc/282618>.
@article{AdrianeKaïchouh2015, abstract = {Moore [Fund. Math. 220 (2013)] characterizes the amenability of the automorphism groups of countable ultrahomogeneous structures by a Ramsey-type property. We extend this result to the automorphism groups of metric Fraïssé structures, which encompass all Polish groups. As an application, we prove that amenability is a $G_δ$ condition.}, author = {Adriane Kaïchouh}, journal = {Fundamenta Mathematicae}, keywords = {amenability; Ramsey theory; continuous logic; model theory for metric structures; Kechris-Pestov-Todorc̆ević correspondence; automorphism groups}, language = {eng}, number = {1}, pages = {19-38}, title = {Amenability and Ramsey theory in the metric setting}, url = {http://eudml.org/doc/282618}, volume = {231}, year = {2015}, }
TY - JOUR AU - Adriane Kaïchouh TI - Amenability and Ramsey theory in the metric setting JO - Fundamenta Mathematicae PY - 2015 VL - 231 IS - 1 SP - 19 EP - 38 AB - Moore [Fund. Math. 220 (2013)] characterizes the amenability of the automorphism groups of countable ultrahomogeneous structures by a Ramsey-type property. We extend this result to the automorphism groups of metric Fraïssé structures, which encompass all Polish groups. As an application, we prove that amenability is a $G_δ$ condition. LA - eng KW - amenability; Ramsey theory; continuous logic; model theory for metric structures; Kechris-Pestov-Todorc̆ević correspondence; automorphism groups UR - http://eudml.org/doc/282618 ER -