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# Mark A. Stern : A coarse Cheeger inequality for 1-forms

Motivated by questions about the spectral geometry of hyperbolic manifolds, arising in number theory, we seek a lower bound for the first nonzero eigenvalue of the Laplace Beltrami operator on 1-forms on hyperbolic manifolds. We prove an analog of Cheeger's inequality. Joint work with Michael Lipnowski.

**Category**: Geometry and Topology**Duration**: 01:34:42**Date**: March 18, 2019 at 3:10 PM**Views**: 136-
**Tags:**seminar, Geometry/topology Seminar

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