Abstract
Let Γ∖G∕K be a compact Hermitian locally symmetric space, where G is simple. We study the components of a de Rham cohomology class of Γ∖G∕K with respect to the Matsushima decomposition, where the class is obtained by taking the Poincaré dual of a totally geodesic complex analytic submanifold. Using an improved version of the vanishing result of Kobayashi and Oda, we specify the existence of certain components of such cohomology classes when G=SU(p,q).
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