On the image of the parabolic Hitchin map
classification
🧮 math.AG
math.RT
keywords
imagehitchinparabolicparabolicsaffinecasescertainclassical
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We determine the image of the (strongly) parabolic Hitchin map for all parabolics in classical groups and $G_2$. Surprisingly, we find that the image is isomorphic to an affine space in all cases, except for certain "bad parabolics" in type $D$, where the image can be singular.
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