Potent relative Langlands duality

Let GMG\circlearrowright M be a polarized hyperspherical GG-variety with M=TXM=T^*X, and let GˇMˇ\check G\circlearrowright\check M be its Langlands-dual polarized hyperspherical variety with Mˇ=TXˇ\check M=T^*\check X. Denote by DGpot(X){\mathbf D}^{pot}_G(X) and DGˇpot(Xˇ){\mathbf D}^{pot}_{\check G}(\check X) the corresponding potent categorical representations. Potent relative Langlands duality. The potent Langlands duality conjecture matches

DGpot(X)withDGˇpot(Xˇ).{\mathbf D}^{pot}_G(X)\quad\text{with}\quad {\mathbf D}^{pot}_{\check G}(\check X).

This is a potent upgrade of the relative and unipotent Langlands correspondences for dual spherical varieties. The source notes that the underlying unipotent conjecture is known in many cases, while the potent statement is proposed as a stronger conjectural extension.

Sources & referencesView supporting material

Primary source

David Ben-Zvi and David Nadler, “Potent categorical representations”, arXiv:2510.07482 (2025).

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