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Cheeger type inequalities associated with isocapacitary constants on Riemannian manifolds with boundary (2412.21008v2)
Published 30 Dec 2024 in math.SP and math.DG
Abstract: In this paper, we study the Steklov eigenvalue of a Riemannian manifold (M, g) with smooth boundary. For compact M , we establish a Cheeger-type inequality for the first Steklov eigenvalue by the isocapacitary constant. For non-compact M , we estimate the bottom of the spectrum of the Dirichlet-to-Neumann operator by the isocapacitary constant.
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