The type-definable subgroup inclusion conjecture for group extensions
The type-definable subgroup inclusion conjecture for group extensions
Let be in Situation , and let be the parameter set used to define the connected components. Suppose
Let be a -invariant subgroup of of bounded index such that is type-definable. Type-definable subgroup inclusion conjecture. Then
This conjecture is stated as equivalent to the preceding conjecture and generalizes the nearby corollary; the supplied text gives no proof or disproof, so the assertion remains open.
Sources & referencesView supporting material
Primary source
Jakub Gismatullin and Krzysztof Krupinski, “On model-theoretic connected components in some group extensions”, arXiv:1201.5221 (2013).
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