Landau–Ginzburg mirror symmetry for Hodge numbers

Let (Y,w)(Y,w) be a Landau–Ginzburg model of Fano type arising, together with a tame compactification, as a mirror of a projective Fano manifold XX of dimension n=dimYn=\dim Y. Let fp,q(Y,w)f^{p,q}(Y,w) denote the Landau–Ginzburg Hodge numbers and let hp,q(X)h^{p,q}(X) denote the usual Hodge numbers of XX. Landau–Ginzburg mirror Hodge-number conjecture. For each p,qp,q,

fp,q(Y,w)=hp,nq(X).f^{p,q}(Y,w)=h^{p,n-q}(X).

This is one of the mirror-symmetry conjectures relating Landau–Ginzburg invariants to the Hodge numbers of the mirror Fano variety. The source does not establish the assertion in general; it discusses results for mirrors of del Pezzo surfaces.

Sources & referencesView supporting material

Primary source

Valery Lunts and Victor Przyjalkowski, “Landau-Ginzburg Hodge numbers for mirrors of del Pezzo surfaces”, arXiv:1607.08880 (2018).

Additional references

6 papers in this index state this conjecture (2009–2016). The statement above is taken from the most recent of them; the others are arXiv:1412.2682, arXiv:1411.3780, arXiv:1310.6014, arXiv:0906.0796, arXiv:0902.1595.

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