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arxiv: 1907.03617 · v3 · pith:OTQ43VXJnew · submitted 2019-07-08 · 🧮 math.DG · math.SP

Upper bounds for higher-order Poincar'e constants

classification 🧮 math.DG math.SP
keywords boundsupperconstantseigenvaluepoincarweighteddirichleteigenvalues
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We introduce higher-order Poincar'e constants for compact weighted manifolds and estimate them from above in terms of subsets. These estimates imply upper bounds for eigenvalues of the weighted Laplacian and the first nontrivial eigenvalue of the $p$-Laplacian. In the case of the closed eigenvalue problem and the Neumann eigenvalue problem these are related with the estimates obtained by Chung-Grigor'yan-Yau and Gozlan-Herry. We also obtain similar upper bounds for Dirichlet eigenvalues and multi-way isoperimetric constants. As an application, for manifolds with boundary of non-negative dimensional weighted Ricci curvature, we give upper bounds for inscribed radii in terms of dimension and the first Dirichlet Poincar'e constant.

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