Asian Journal of Mathematics

Special Cycles and Automorphic Forms on Arithmetically Defined Hyperbolic 3-Manifolds

Joachim Schwermer


An orientable hyperbolic 3-manifold is isometric to the quotient of hyperbolic 3-space H3 by a discrete torsion free subgroup G of the group Iso(H3)0 of orientation -- preserving isometries of H3. The latter group is isomorphic to the (connected) group PGL2(C), the real Lie group SL2(C) modulo its center $\pm 1$. Generally, a discrete subgroup of PGL2(C) is called a Kleinian group. The group G is said to have finite covolume if H3/G has finite volume, and is said to be cocompact if H3/G is compact. Among hyperbolic 3-manifolds, the ones originating with arithmetically defined Kleinian groups form a class of special interest. Such an arithmetically defined 3-manifold H3/G is essentially determined (up to commensurability) by an algebraic number field k with exactly one complex place, an arbitrary (but possibly empty) set of real places and a quaternion algebra Dover k which ramifies (at least) at all real places of k. These arithmetic Kleinian groups fall naturally into two classes ...

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Asian J. Math., Volume 8, Number 4 (2004), 837-860.

First available in Project Euclid: 13 June 2005

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Schwermer, Joachim. Special Cycles and Automorphic Forms on Arithmetically Defined Hyperbolic 3-Manifolds. Asian J. Math. 8 (2004), no. 4, 837--860.

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