Fourier–Mukai compatibility conjecture for iterated-tilt hearts

Let XX and YY be abelian varieties of the same dimension gg, let ΦEXY:Db(X)Db(Y)\Phi_{\mathcal{E}}^{X\to Y}:D^b(X)\to D^b(Y) be a Fourier–Mukai transform, and let AΩkX\mathcal{A}^{X}_{\Omega_k} and AΩkY\mathcal{A}^{Y}_{\Omega'_k} denote the gg-fold-tilt hearts associated with complexified ample classes Ωk\Omega_k and Ωk\Omega'_k.

Fourier–Mukai compatibility conjecture. For 1kg11\leq k\leq g-1, there are suitable complexified ample classes Ωk\Omega_k and Ωk\Omega'_k such that

ΦEXY[k](AΩkX)=AΩkY.\Phi_{\mathcal{E}}^{X\to Y}[k](\mathcal{A}^{X}_{\Omega_k})=\mathcal{A}^{Y}_{\Omega'_k}.

This predicts that Fourier–Mukai equivalences identify the hearts produced by the iterated-tilt construction. It depends on the conjectural existence of the relevant stability conditions and remains open in the stated generality.

Sources & referencesView supporting material

Primary source

Dulip Piyaratne, “Fourier-Mukai Transforms and Stability Conditions on Abelian Varieties”, arXiv:1512.02034 (2015).

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