Ganatra–Kuo–Li–Wu's positive-wrapping conjecture for sheaf kernels

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Let XX and YY be manifolds, let Λ\Lambda and Σ\Sigma be conic conditions defining the relevant microsupported sheaf categories, and let L∈\Sh(X×Y)L \in \Sh(X \times Y) be a constructible sheaf with perfect stalks. The sheaf LL need not be microsupported in −Λ×Σ-\Lambda \times \Sigma. Let M−Λ×Σ+(L)\mathfrak{M}^{+}_{-\Lambda \times \Sigma}(L) denote the positive wrapping functor applied to LL. Ganatra–Kuo–Li–Wu's positive-wrapping conjecture. Certain geometric constraints on \ssupp(L)\ssupp(L) guarantee that

M−Λ×Σ+(L)∗(−)\mathfrak{M}^{+}_{-\Lambda \times \Sigma}(L) \ast (-)

preserves compact objects. The supplied text does not specify those geometric constraints or state whether this more general conjecture has been resolved.

References

Primary source

Yuxuan Hu, “Proper kernels in microlocal sheaf theory”, arXiv:2511.02677 (2025).

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