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Related papers: Mean value theorems on manifolds

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Since Li and Yau obtained the gradient estimate for the heat equation, related estimates have been extensively studied. With additional curvature assumptions, matrix estimates that generalize such estimates have been discovered for various…

Differential Geometry · Mathematics 2017-04-27 Jiewon Park

Let $(M^{n+1}, g)$ be a compact Riemannian manifold with smooth boundary B and nonnegative Bakry-Emery Ricci curvature. In this paper, we use the solvability of some elliptic equations to prove some estimates of the weighted mean curvature…

Differential Geometry · Mathematics 2013-10-11 Qin Huang , Qihua Ruan

We study the triviality of the solutions of weighted superlinear heat equations on Riemannian manifolds with nonnegative Ricci tensor. We prove a Liouville--type theorem for solutions bounded from below with nonnegative initial data, under…

Analysis of PDEs · Mathematics 2019-10-04 Daniele Castorina , Carlo Mantegazza , Berardino Sciunzi

In this paper we provide some local and global splitting results on complete Riemannian manifolds with nonnegative Ricci curvature. We achieve the splitting through the analysis of some pointwise inequalities of Modica type which hold true…

Analysis of PDEs · Mathematics 2020-01-09 Alberto Farina , Jesús Ocáriz

The main goal of this paper is to generalize some Li-Yau type gradient estimates to Finsler geometry in order to derive Harnack type inequalities. Moreover, we obtain, under some curvature assumption, a general gradient estimate for…

Differential Geometry · Mathematics 2018-11-07 Cyrille Combete , Serge Degla , Leonard Todjihounde

The regularity theory of the Campanato space $\mathcal{L}^{(q,\lambda)}_k(\Omega)$ has found many applications within the regularity theory of solutions to various geometric variational problems. Here we extend this theory from…

Differential Geometry · Mathematics 2022-10-13 Paul Minter

The main purpose of this note is to construct two functionals of the positive solutions to the conjugate heat equation associated to the metrics evolving by the conformal Ricci flow on closed manifolds. We show that they are nondecreasing…

Differential Geometry · Mathematics 2019-10-11 Fengjiang Li , Peng Lu , Jianhong Wang , Yu Zheng

In this paper recent results regarding generalized continuum mechanics on oriented Riemannian manifolds are reviewed and summarized. The mass, the momentum and the energy conservation laws are given. Thermodynamics arising in such media is…

Mathematical Physics · Physics 2023-11-28 Anna Duyunova , Valentin Lychagin , Sergey Tychkov

The equivalence problem of curves with values in a Riemannian manifold, is solved. The domain of validity of Frenet's theorem is shown to be the spaces of constant curvature. For a general Riemannian manifold new invariants must thus be…

Differential Geometry · Mathematics 2012-07-20 M. Castrillon Lopez , V. Fernandez Mateos , J. Munoz Masque

This paper describes results characterizing the range of the time-t heat operator on various manifolds, including Euclidean spaces, spheres, and hyperbolic spaces. The guiding principle behind these results is this: The functions in the…

Differential Geometry · Mathematics 2010-08-06 Brian C. Hall

We study stationary solutions of McKean-Vlasov equation on a high-dimensional sphere and other compact Riemannian manifolds. We extend the equivalence of the energetic problem formulation to the manifold setting and characterize critical…

Analysis of PDEs · Mathematics 2025-02-03 Anna Shalova , André Schlichting

We study the existence and regularity of solutions to the Cauchy problem for the inhomogeneous heat equation on compact Riemannian manifolds with conical singularities. We introduce weighted H\"older and Sobolev spaces with discrete…

Analysis of PDEs · Mathematics 2014-01-23 Tapio Behrndt

In this survey, we will focus on the mean curvature flow theory with sphere theorems, and discuss the recent developments on the convergence theorems for the mean curvature flow of arbitrary codimension inspired by the Yau rigidity theory…

Differential Geometry · Mathematics 2020-04-29 Li Lei , Hong-Wei Xu

Using the results of \cite{P1}, we get some estimates of warping functions for isometric immersions by changing the target manifolds by some types of Riemannian manifolds: constant space forms and Hermitian symmetric spaces. And we deal…

Differential Geometry · Mathematics 2019-03-04 Kwang-Soon Park

I will discuss results of three different types in geometry and topology. (1) General vanishing and rigidity theorems of elliptic genera proved by using modular forms, Kac-Moody algebras and vertex operator algebras. (2) The computations of…

Algebraic Geometry · Mathematics 2007-05-23 Kefeng Liu

We introduce a generalization of Cauchy's mean value theorem for regulated functions. Building on this, we extend both L'Hospital's rule and L'Hospital's monotone rule to quotients of regulated functions. We demonstrate that our extended…

History and Overview · Mathematics 2025-04-01 Ahmed Ghatasheh

Consider the geodesic flow on a real-analytic closed hypersurface $M$ of $\mathbb{R}^n$, equipped with the standard Euclidean metric. The flow is entirely determined by the manifold and the Riemannian metric. Typically, geodesic flows are…

Dynamical Systems · Mathematics 2022-09-13 Andrew Clarke

In this note we present some gradient estimates for the diffusion equation $\partial_t u=\Delta u-\nabla \phi \cdot \nabla u $ on Riemannian manifolds, where $\phi $ is a C^2 function, which generalize estimates of R. Hamilton's and Qi S.…

Differential Geometry · Mathematics 2008-04-24 Hong Huang

In this paper we follow a paper from A. Sedunova (2017) regarding R. C. Vaughan's basic mean value Theorem (Acta Arith. 1980) to improve and complete a more general demonstration for a suitable class of arithmetic functions as started by A.…

Number Theory · Mathematics 2020-05-20 Matteo Ferrari

Let (M,g) be a compact, connected riemannian manifold that is homogeneous, i.e. each pair of points p,q in M have isometric neighborhoods. This paper is a first step towards an understanding of the extent to which it is true that for each…

Differential Geometry · Mathematics 2013-01-28 J. D. Velez , Cadavid Carlos
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