Spectral and Logarithmic Atiyah Classes for Higgs Bundles

Pradip Kumar, Sai Rasmi Ranjan Mohanty, Savita Rani +1

For a regular semisimple Higgs bundle with a smooth spectral curve, we prove that, over the \etale\ locus, the Atiyah class of the underlying bundle is induced by the Atiyah class…