Joyce's generic Kähler perturbation conjecture for special Lagrangian moduli spaces

Let (M,J,ω,Ω)(M,J,\omega,\Omega) be an almost Calabi–Yau mm-fold, let XX be a compact special Lagrangian mm-fold in MM with conical singularities, and let IX\mathcal I_{X'} and OX\mathcal O_{X'} be as in Theorem. Write ωˇ\check{\omega} for a Kähler form in the Kähler class of ω\omega, and let MˇX\check{\mathcal M}_X denote the moduli space of compact special Lagrangian mm-folds X^\hat X with conical singularities in (M,J,ωˇ,Ω)(M,J,\check{\omega},\Omega) that are isotopic to XX. Joyce's generic Kähler perturbation conjecture. For a second category subset of such Kähler forms ωˇ\check{\omega}, the space MˇX\check{\mathcal M}_X is a manifold of dimension

dimIXdimOX.\mathop{\rm \dim} \mathcal I_{X'}-\mathop{\rm \dim} \mathcal O_{X'}.

The preceding perturbation results show smoothness near any prescribed compact subset after a suitable perturbation, but do not establish a single perturbation for which the entire moduli space is smooth; the conjecture asserts that this holds for a generic Kähler form in the fixed Kähler class.

Sources & referencesView supporting material

Primary source

Dominic Joyce, “Special Lagrangian submanifolds with isolated conical singularities. V. Survey and applications”, arXiv:math/0303272 (2003).

Additional references

2 papers in this index state this conjecture (2001–2003). The statement above is taken from the most recent of them; the others are arXiv:math/0111111.

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