Krupiński–Pillay's amenability conjecture for topological groups

From papers

Let G(M)G(M) be a topological group. It is amenable when every G(M)G(M)-flow admits a G(M)G(M)-invariant Borel probability measure. Krupiński–Pillay's conjecture. If G(M)G(M) is amenable, then

Gtop00=Gtop000.G^{00}_{\operatorname{top}}=G^{000}_{\operatorname{top}}.

This is Conjecture 0.2 of Krupiński and Pillay, connecting classical topological amenability with equality of model-theoretic topological components; the excerpt gives no resolution.

Progress summary

Nothing recorded yet. Refresh searches the literature and the public web for attempts on this problem, and writes the first summary here.

Sources & referencesView supporting material

Primary source

Ehud Hrushovski, Krzysztof Krupiński and Anand Pillay, “Amenability, connected components, and definable actions”, arXiv:1901.02859 (2021).

Additional references

2 papers in this index state this conjecture (2016–2019). The statement above is taken from the most recent of them; the others are arXiv:1612.07560.

Solutions 0

No solutions have been posted yet.