The commutativity conjecture for the identity component of a pseudofinite group's Bohr compactification
The commutativity conjecture for the identity component of a pseudofinite group's Bohr compactification
Let be a pseudofinite group, meaning an infinite group elementarily equivalent to an ultraproduct of finite groups, and let denote its Bohr compactification. Write for the connected component of the identity in .
Commutativity conjecture. If is a pseudofinite group, then is commutative.
This conjecture is equivalent to a negative answer to the paper's Question 1.4, modulo passing to connected components and allowing a finite product of compact simple Lie groups in place of a single one. Its status is not resolved in the supplied source.
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Sources & referencesView supporting material
Primary source
Anand Pillay, “Remarks on compactifications of pseudofinite groups”, arXiv:1509.02895 (2015).
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