Remark about the spectrum of the 𝑝-form Laplacian under a collapse with curvature bounded below

Lott, John

doi:10.1090/S0002-9939-03-07121-1

Remark about the spectrum of the $p$-form Laplacian under a collapse with curvature bounded below
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Proc. Amer. Math. Soc. 132 (2004), 911-918 Request permission

Abstract:

We give a lower bound on the number of small positive eigenvalues of the $p$-form Laplacian in a certain type of collapse with curvature bounded below.

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