Flow-category Thom spectrum equivalence

Let FF be a space and let R:=Thom(ΩFBO×Z)R:= \operatorname{Thom}(\Omega F \to BO \times \mathbb{Z}) be the associated unital ring spectrum. Let FlowF\operatorname{Flow}^F denote the stable \infty-category of flow categories built from manifolds with ΩF\Omega F-structure. Flow-category Thom spectrum conjecture. There is an equivalence between FlowF\operatorname{Flow}^F and the \infty-category of left RR-modules. When RR is associative but not commutative, analogous versions of FlowF\operatorname{Flow}^F should correspond to right RR-modules and RR-bimodules. In the framed case, R=SR=\mathbb{S} and the assertion was proved in the cited work; the general left/right/bimodule models are constructed conjecturally in the paper.

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Primary source

Noah Porcelli and Ivan Smith, “Spectral Floer theory and tangential structures”, arXiv:2411.03257 (2025).

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