engleski

The residual Eisenstein cohomology of Sp4 over a totally real number field

In the paper is computed Eisenstein cohomology of the symplectic group of rank two over a totally real number field k, with respect to any finite-dimensional irreducible k-rational representation of that symplectic group at infinity. The computation is based on Schwermer work on Eisenstein cohomology, Kim description of residual spectrum in this case and Franke filtration of the space of automorphic forms.

Eisenstein cohomology; symplectic groups; number fields

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