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arxiv: 1103.4770 · v4 · pith:IXLD4X77new · submitted 2011-03-24 · 🧮 math.LO

Definable quotients of locally definable groups

classification 🧮 math.LO
keywords definablegroupslocallysubgroupabelianconditionsdiscretedivisibility
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We study locally definable abelian groups $\CU$ in various settings and examine conditions under which the quotient of $\CU$ by a discrete subgroup might be definable. This turns out to be related to the existence of the type-definable subgroup $\CU^{00}$ and to the divisibility of $\CU$.

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