Quasi-invertibility conjecture for bordered Koszul-duality bimodules

Let B\mathcal{B} be the algebra associated to a bordered theory, let m(B)m(\mathcal{B}) denote its mirror, let \astrosun\astrosun be the relevant product, let BΓn\mathcal{B}\Gamma_n be the quotient algebra, and let KK denote the displayed Type DD bimodules. The notation m(B)!m(\mathcal{B})^!, B\astrosunm(B)!\mathcal{B}\astrosun m(\mathcal{B})^!, and m(B\astrosunm(B)!)m(\mathcal{B}\astrosun m(\mathcal{B})^!) is as in the paper.

Quasi-invertibility conjecture. Either or both of the DD bimodules

B\astrosunm(B)!Km(B\astrosunm(B)!)op{}^{\mathcal{B}\astrosun m(\mathcal{B})^!}K^{m(\mathcal{B}\astrosun m(\mathcal{B})^!)^{op}}

and

BΓnKm(BΓn)op{}^{\mathcal{B}\Gamma_n}K^{m(\mathcal{B}\Gamma_n)^{op}}

are quasi-invertible. Hence, either or both of the algebras B\astrosunm(B)!\mathcal{B}\astrosun m(\mathcal{B})^! and BΓn\mathcal{B}\Gamma_n are Koszul dual to their mirrors, m(B\astrosunm(B)!)m(\mathcal{B}\astrosun m(\mathcal{B})^!) and m(BΓn)m(\mathcal{B}\Gamma_n), in the generalized sense.

This proposes generalized Koszul duality between each bordered algebra and its mirror, mediated by a quasi-invertible Type DD bimodule. The parser supplies no evidence that the claim has been resolved, so its status remains open.

Sources & referencesView supporting material

Primary source

Andrew Manion, “On bordered theories for Khovanov homology”, arXiv:1509.07174 (2015).

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