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Găină–Krupiński's conjecture on $G^{00}$ and $G^{000}$ in definable extensions
Let $G$ be a definable group and $A$ a definable abelian group, and let … be a definable extension with $2$ -cocycle $h\colon G^2\to A$ , where $h$ has finite range contained in…
Conjectureopendefinable-groups invariant-equivalence-relations model-theoryarXiv posted 3 days ago

Găină–Krupiński's conjecture on G00G^{00}G00 and G000G^{000}G000 in definable extensions