A point of the intersection of two quadrics is very stable exactly when the polynomial p(z) built from its coordinates has distinct roots.
Twistor Hecke eigensheaves in genus 2
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abstract
Following the strategy outlined in [DP09] arXiv:math/0604617 and [DP22] arXiv:math/0604617 for bundles of rank 2 on a smooth projective curve of genus $2$, we construct flat connections over the moduli of stable bundles, with singularities along the wobbly locus. We verify that the associated $D$-modules are Hecke eigensheaves. The local systems are constructed by the nonabelian Hodge correspondence from Higgs bundles. The spectral varieties of the Higgs bundles are the Hitchin fibers corresponding to the Hecke eigenvalues.
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Remarks on the intersection of two quadrics
A point of the intersection of two quadrics is very stable exactly when the polynomial p(z) built from its coordinates has distinct roots.