The universal framed prodeformation conjecture

Let AA be a connective dga and let SS be a one-dimensional AA-module. Let E\normalfontREndA(S)E\coloneqq {\mathrm{\normalfont\mathbb{R}}}\mathrm{End}_A(S) be the derived endomorphism dga of SS. Write E!E^! for the corresponding deformation base, and let \text{\raisebox{.15ex}{\mathscr{D}}}\mathrm{ef}^{\mathrm{fr}}_A(S)(E^!) denote the set of framed deformations of SS over E!E^!. The map from this set to \widehat{\text{\raisebox{.15ex}{\mathscr{D}}}\mathrm{ef}}^{\text{\raisebox{-1.1ex}{\mathrm{fr}}}}_A(S)(B^\sharp E) sends a deformation over E!E^! to its associated framed prodeformation over BEB^\sharp E. Universal framed prodeformation conjecture. The image of the deformation E^!\in \text{\raisebox{.15ex}{\mathscr{D}}}\mathrm{ef}^{\mathrm{fr}}_A(S)(E^!) under this map is the universal framed prodeformation of SS as an AA-module. This identifies the explicit deformation E!E^! with the universal framed prodeformation in the one-dimensional case.

Sources & referencesView supporting material

Primary source

Matt Booth, “The derived deformation theory of a point”, arXiv:2009.01590 (2021).

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