Waldhausen S-construction conjecture for microlocalization

Let MM be the ambient manifold, let Λ\Lambda be the Legendrian used to define the microlocalization functor, and let mΛlm_\Lambda^l denote its left adjoint. Write Tjϵ(Λ)T_{j\epsilon}(\Lambda) for the corresponding translated Legendrian stop and Shj=0nTjϵ(Λ)(M)\operatorname{Sh}_{\bigcup_{j=0}^{n}T_{j\epsilon}(\Lambda)}(M) for the category of sheaves on MM with singular support in that union.

Waldhausen S-construction conjecture. The relative Waldhausen SS-construction of mΛlm_\Lambda^l is the simplicial \infty-category

Sn(mΛl)=Shj=0nTjϵ(Λ)(M).S_n(m_\Lambda^l)=\operatorname{Sh}_{\bigcup_{j=0}^{n}T_{j\epsilon}(\Lambda)}(M).

This identifies the relative Waldhausen construction arising from the semiorthogonal gluing with a geometric category of sheaves. It is proposed in the context of KK-theory and the simplicial \infty-categorical formalism of Dyckerhoff, Kapranov, Schechtman, and Soibelman.

Sources & referencesView supporting material

Primary source

Christopher Kuo and Wenyuan Li, “Spherical adjunction and Serre functor from microlocalization”, arXiv:2210.06643 (2024).

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