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math.NT2009
Lattice points for products of upper half planes
Roelof Bruggeman, Fritz Grunewald, Roberto Miatello
Let be an irreducible lattice in $\PSL_2(\RR)^d$ ($d\in\NN$) and a point in the -fold direct product of the upper half plane. We study the discrete set of componentwise…
math.NT2008★ 8 cited
The cohomology of lattices in SL(2,C)
Tobias Finis, Fritz Grunewald, Paulo Tirao
This paper contains both theoretical results and experimental data on the behavior of the dimensions of the cohomology spaces H^1(G,E_n), where Gamma is a lattice in SL(2,C) and E_…