As on arXiv
Abstract
We develop heat kernel and Green's function estimates for manifolds with positive bottom spectrum. The results are then used to establish existence and sharp estimates of the solution to the Poisson equation on such manifolds with Ricci curvature bounded below. As an application, we show that the curvature of a steady gradient Ricci soliton must decay exponentially if it decays faster than linear and the potential function is bounded above.
- Submitted
- Jan 11, 2017
- Subjects
- math.DG, math.AP
Comments: 44 pages
Its neighbourhood
Connected papers
The 8 papers on this site closest to this one, judged by the topics they share, the words and phrases in their titles and abstracts, and their authors. They are not its citations, but a map of the work around it. Papers here go back to 2016, plus the canon.
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A Minkowski type inequality for manifolds with positive spectrum
Topics Eigenvalues & spectrum, Boundaries & non-compact, Ricci solitons · Same authors Ovidiu Munteanu, Jiaping Wang · Shared terms “complete manifolds”, “bottom spectrum”
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Sharp Gaussian upper bounds for Schrödinger heat kernel on gradient shrinking Ricci solitons
Topics Heat kernel, Eigenvalues & spectrum, Ricci solitons · Shared terms “Green function”
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Structure at infinity for shrinking Ricci solitons
Topics Ricci solitons · Same authors Ovidiu Munteanu, Jiaping Wang · Shared terms “potential function”
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Positive solutions to Schrödinger equations and geometric applications
Topics Ricci solitons · Same authors Ovidiu Munteanu, Jiaping Wang · Shared terms “gradient Ricci”
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The Ricci-DeTurck flow on complete manifolds
Topics Heat kernel, Boundaries & non-compact · Shared terms “complete manifolds”
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Gaussian upper bounds for the heat kernel on evolving manifolds
Topics Heat kernel
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Heat kernel on Ricci shrinkers (II)
Topics Heat kernel, Ricci solitons
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The Fisher Metric of the Ricci Flow Heat Kernel
Topics Heat kernel, Eigenvalues & spectrum
Read around it
Background reading
The guides for the topics of this paper: what each idea is, why it matters, and the papers to read first.
In the guidebook
- 6A.3The Heat Equation on ℝⁿ
The heat kernel, smoothing, uniqueness, Brownian motion, and a Gaussian that runs to Perelman.
- 6A.4Fourier Methods and Scale Space
Fourier's own method on the circle and the line, smoothing as the decay of high frequencies, and the heat equation as the mathematics of blurring images.
- 6A.12Entropy, Information and Diffusion
Entropy along the heat flow, the log-Sobolev inequality and Li–Yau: the ancestors of Perelman’s entropy.