Abstract
Let G be a semisimple algebraic group over a number field F and set G ∞ = ∏ v∈S ∞ Gv, where S∞ is the set of archimedean places of F. As is well-known, the cohomology of a cocompact lattice Γ ⊂ G ∞ is expressed in terms of the decomposition
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Blasius, D., Rogawski, J. (2000). Cohomology of Congruence Subgroups of SU (2, 1)p and Hodge Cycles on Some Special Complex Hyperbolic Surfaces. In: Reznikov, A., Schappacher, N. (eds) Regulators in Analysis, Geometry and Number Theory. Progress in Mathematics, vol 171. Birkhäuser, Boston, MA. https://doi.org/10.1007/978-1-4612-1314-7_1
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DOI: https://doi.org/10.1007/978-1-4612-1314-7_1
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