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math.DG2020
Explicit Poincaré duality in the cohomology ring of the SU(2) character variety of a surface
Lisa Jeffrey, Aidan Lindberg, Steven Rayan
We provide an explicit description of the Poincaré dual of each generator of the rational cohomology ring of the character variety for a genus surface with central exte…
math.AG2020
Toric co-Higgs bundles on toric varieties
Indranil Biswas, Arijit Dey, Mainak Poddar +1
Starting from the data of a nonsingular complex projective toric variety, we define an associated notion of toric co-Higgs bundle. We provide a Lie-theoretic classification of thes…