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Paper detail

A Cheeger-Type Inequality on Simplicial Complexes

In this paper, we consider a variation on Cheeger numbers related to the coboundary expanders recently defined by Dotterer and Kahle. A Cheeger-type inequality is proved, which is similar to a result on graphs due to Fan Chung. This inequality is then used to study the relationship between coboundary expanders on simplicial complexes and their corresponding eigenvalues, complementing and extending results found by Gundert and Wagner. In particular, we find these coboundary expanders do not satisfy natural Buser or Cheeger inequalities.

preprint2012arXivOpen access
John SteenbergenCaroline KlivansSayan Mukherjee
math.COComputational Geometry
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John SteenbergenCaroline KlivansSayan Mukherjee

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