Geodesic
Continuity criteria for locally bounded homomorphisms of certain Lie groups
Fundamentalʹnaâ i prikladnaâ matematika, Tome 24 (2023) no. 4, pp. 213-216.

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We prove that every locally bounded homomorphism of a connected Lie group $G$ whose commutator subgroup $G'$ admits a closed supplementary subgroup $Z$ such that $G=G'Z$ into a Lie group is continuous if and only if it is continuous on $Z$. 
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A. I. Shtern. Continuity criteria for locally bounded homomorphisms of certain Lie groups. Fundamentalʹnaâ i prikladnaâ matematika, Tome 24 (2023) no. 4, pp. 213-216. http://geodesic.mathdoc.fr/item/FPM_2023_24_4_a11/

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