Weak definable amenability conjecture for discrete definable groups

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Let GG be a group definable in an arbitrary structure MM. Write G∗M00{G^*}^{00}_M and G∗M000{G^*}^{000}_M for the model-theoretic connected components of G∗G^*.

Weak definable amenability conjecture. If GG is weakly definably amenable, then

G∗M00=G∗M000.{G^*}^{00}_M={G^*}^{000}_M.

This is the discrete specialization of the generalized definable topological amenability conjecture. The supplied text presents it while discussing that specialization and gives no resolution status for it.

References

Primary source

Krzysztof Krupinski and Anand Pillay, “Amenability, definable groups, and automorphism groups”, arXiv:1612.07560 (2019).

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