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Shaun

11:22 AM

I'm just checking in to keep the room going :)

Shaun

11:35 AM

The following is probably a duplicate:

Q: Characterization of Group homomorphisms from $(\mathbb{Q}^*,\cdot)$ to $(\mathbb{Q},+)$.

There does not exist any nontrivial group homomorphism from $(\mathbb{Q},+)$ to $(\mathbb{Q}^*,\cdot)$. Is it also true that there does not exist any nontrivial group homomorphism from $(\mathbb{Q}^*,\cdot)$ to $(\mathbb{Q},+)$? If it is not true then how can we find all those nontrivial homomo...