The B-model R-matrix conjecture for primitive-form phases

Let $\tilde W:\mathbb{C}^N\to\mathbb{C}$ be a hypersurface singularity, and let $\zeta_\infty$ and $\zeta_0$ be the two specified choices of primitive form. Write $\mathcal{Z}_{\tilde W,\zeta_\infty}$ and $\mathcal{Z}_{\tilde W,\zeta_0}$ for the corresponding Saito–Givental partition functions. B-model R-matrix conjecture. There is an upper-triangular Givental group element $R=R(z)$ such that, up to a linear change of variables,

$$\hat R\cdot\mathcal{Z}_{\tilde W,\zeta_\infty}=\mathcal{Z}_{\tilde W,\zeta_0}.$$

This is stated as the B-side counterpart of the A-model R-matrix conjecture, conditional on the relevant CY–LG and LG–LG mirror-symmetry conjectures. The source does not state a resolution.