Calaque–Căldăraru–Tu's derived blow-up L-infinity algebroid conjecture

Assume the setting of the main theorem, and let CZ/XC_{Z/X}^{\vee} be the dual of the relevant complex. Define the structure ring of the formal derived blow-up by

OZX:=limncofib(RZ/XnRZ/X0).\mathcal{O}_{Z_{X}^{\infty}}:=\varprojlim_{n\to\infty}\operatorname{cofib}(R_{Z/X}^{n}\to R_{Z/X}^{0}).

L-infinity algebroid conjecture. There exists a minimal LL_{\infty}-algebroid structure on CZ/XC_{Z/X}^{\vee} whose Chevalley–Eilenberg algebra is equivalent to OZX\mathcal{O}_{Z_{X}^{\infty}}.

This conjecture relates the formal structure of derived blow-ups to LL_{\infty}-algebroid structures, inspired by work of Calaque, Căldăraru and Tu. The supplied text gives no resolution.

Sources & referencesView supporting material

Primary source

Yu Zhao, “A Generalized vanishing theorem for Blow-ups of Quasi-smooth Stacks”, arXiv:2306.09672 (2023).

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