Kuznetsov's reconstruction conjecture for instantons on index-2 Fano threefolds

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Let XX be a Fano threefold of index 22, and let EE be an instanton on XX. A line is jumping for EE if its restriction to EE is nontrivial. The associated jumping-line locus carries a theta-sheaf.

Kuznetsov's reconstruction conjecture. The generic line is not jumping, and EE can be reconstructed from its theta-sheaf.

The conjecture concerns the description of instanton bundles through their jumping lines and theta-sheaves. The supplied status evidence says that the first part was reinterpreted and the second part was proved, so the combined statement is solved.

References

Primary source

Giangiacomo Sanna, “Rational curves and instantons on the Fano threefold Y_5”, arXiv:1411.7994 (2014).

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