Relative Langlands duality for $\mathfrak{osp}(2n+1|2n)$

Alexander Braverman, Michael Finkelberg, David Kazhdan +1

We establish an $S$-duality converse to the one studied by the 1st, 2nd and 4th authors; this is also a case of a twisted version of the relative Langlands duality of Ben Zvi, Sake…