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Published online by Cambridge University Press: 03 April 2025
Using $L^2$-methods, we prove a vanishing theorem for tame harmonic bundles over quasi-compact Kähler manifolds in a very general setting. As a special case, we give a completely new proof of the Kodaira-type vanishing theorems for Higgs bundles due to Arapura. To prove our vanishing theorem, we construct a fine resolution of the Dolbeault complex for tame harmonic bundles via the complex of sheaves of
$L^2$-forms, and we establish the Hörmander
$L^2$-estimate and solve
$(\bar {\partial }_E+\theta )$-equations for Higgs bundles
$(E,\theta )$.