Torsion and closed geodesics on complex hyperbolic manifolds |
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Authors: | David Fried |
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Institution: | (1) Department of Mathematics, Boston University, 111 Cummington St., 02215 Boston, Mass., USA |
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Abstract: | Summary LetX be a compact complex manifold covered by complex hyperbolicn-space with the induced metric. Each stable horocycle has a cocomplex structure preserved by the geodesic flow. To a closed geodesic one can thus associate a piece of the Poincaré map with a holomorphic fixed point. The resulting Atiyah-Bott fixed point indices, together with the length and multiplicity of as a periodic orbit, determine the contribution of to certain zeta functionsR
p(z), 0 p n. From the leading coefficient ofR
p
atZ=0 and the Hodge numbersh
ij
(X) we calculate the Ray-Singer
-torsionT
p
(X). This indicates that the known connections between torsion and the dynamical features of closed orbits continue to hold in the holomorphic category.Corresponding results hold for the
-torsion of a flat unitary bundle, extending certain formulas of Ray and Singer to the casen>1.Partially supported by the Sloan Foundation and the National Science Foundation |
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Keywords: | |
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