Answers are grounded in this paper and cite their sources.
We give a valuative criterion for when a smooth algebraic stack with a separated good moduli space is the quotient of a separated Deligne–Mumford stack by a torus. For doing so, we introduce a new class of morphisms, the effective morphisms, which are a generalization of separated morphisms.
No takes yet. Share an insight, caveat, or question.
Lorenzo et al. (2024) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: