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Related papers: A note on Perelman's LYH inequality

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This manuscript deals with the analysis of numerical methods for the full discretization (in time and space) of the linear heat equation with Neumann boundary conditions, and it provides the reader with error estimates that are uniform in…

Numerical Analysis · Mathematics 2024-02-28 Guillaume Dujardin , Pauline Lafitte

This note proves a version of Lubell-Yamamoto-Meshalkin inequality for general product measures.

Combinatorics · Mathematics 2025-09-03 Gal Yehuda , Amir Yehudayoff

In this note we apply the general Reilly formula established in \cite{QX} to the solution of a Neumann boundary value problem to prove an optimal Minkowski type inequality in space forms.

Differential Geometry · Mathematics 2017-05-30 Chao Xia

We apply convergence results for discrete Markov chains, to prove the existence of an equilibrium limit in the nonstandard heat equation. We construct a nonstandard backward martingale from a nonstandard solution, and show, using the…

Probability · Mathematics 2018-06-07 Tristram de Piro

We establish in the present paper two sub-gradient estimates for the quaternionic contact (qc) heat equation on a compact qc manifold of dimension $4n+3$, provided some positivity conditions are satisfied. These are qc versions of the…

Differential Geometry · Mathematics 2024-05-24 Stefan Ivanov , Alexander Petkov

The Cayley--Hamilton--Newton theorem for half-quantum matrices is proven.

Quantum Algebra · Mathematics 2013-03-19 A. Isaev , O. Ogievetsky

Our aim in this paper is to show some new inequalities for Mathieu's type series and Riemann zeta function. In particular, some Tur\'an type inequalities, some monotonicity and log-convexity results for these special functions are given.…

Classical Analysis and ODEs · Mathematics 2017-01-17 Khaled Mehrez , Živorad Tomovski

In this paper, we achieve a Reilly type integral formula associated with the $\phi$-Laplacian. As its applications, we obtain Heintze-Karcher and Minkowski type inequalities. Furthermore, almost Schur lemmas are also given. They recover the…

Differential Geometry · Mathematics 2022-02-24 Guangyue Huang , Bingqing Ma , Mingfang Zhu

In this paper, we will prove several new inequalities of Hardy's types with explicit constants. The main results will be proved by making use of some generalizations of Opial's type inequalities and H\"older's inequality. To the best of the…

Classical Analysis and ODEs · Mathematics 2011-12-21 S. H. Saker

The main result includes features of a Hardy-type inequality and an inequality of either Sobolev or Gagliardo-Nirenberg type. It is inspired by the method of proof of a recent improved Sobolev inequality derived by M. Ledoux which brings…

Spectral Theory · Mathematics 2007-10-23 A. Balinsky , W. D. Evans , D. Hundertmark , R. T. Lewis

The goal of this paper is to obtain estimates for nonnegative solutions of the differential inequality $$\left(\frac{\partial}{\partial t} - \Delta\right) u \leq A u^p + B u $$ with small initial data in borderline Morrey norms over a…

Analysis of PDEs · Mathematics 2024-12-31 Anuk Dayaprema

This paper first proposes a new approximate scheme to construct a harmonic heat flow $u$ between a parabolic cylinder to a sphere. Y.Chen and M.Struwe have proved an existence and discussed a partial regularity of harmonic heat flows by…

Analysis of PDEs · Mathematics 2014-01-13 Kazuhiro Horihata

We prove a sharp analog of Young's inequality on $S^N$, and deduce from it certain sharp entropy inequalities. The proof turns on constructing a nonlinear heat flow that drives trial functions to optimizers in a monotonic manner. This…

Functional Analysis · Mathematics 2007-05-23 Eric Carlen , Elliott Lieb , Michael Loss

Following the recent work of Jiang and Lin (Linear Algebra Appl. 585 (2020) 45--49), we present more results (bounds) on Harnack type inequalities for matrices in terms of majorization (i.e., in partial products) of eigenvalues and singular…

Functional Analysis · Mathematics 2019-12-09 Chaojun Yang , Fuzhen Zhang

This paper uses Lie symmetry analysis to investigate the biharmonic heat equation on a generalized surface of revolution. We classify the Lie point symmetries associated with this equation, allowing for the identification of surfaces and…

Analysis of PDEs · Mathematics 2025-06-03 Aminu Ma'aruf Nass , Kassimu Mpungu , Rahmatullah Ibrahim Nuruddeen

In this paper, we extend the Hamilton's gradient estimates \cite{har93} and a monotonicity formula of entropy \cite{ni04} for heat flows from smooth Riemannian manifolds to (non-smooth) metric measure spaces with appropriate Riemannian…

Metric Geometry · Mathematics 2015-12-29 Renjin Jiang , Huichun Zhang

There is a lot of information available concerning Hardy-Hilbert type inequalities in one or more dimensions. In this paper we introduce the development of such inequalities on homogeneous groups. Moreover, we point out a unification of…

Functional Analysis · Mathematics 2025-02-17 Markos Fisseha Yimer , Lars Erik Persson , Michael Ruzhansky , Natasha Samko , Tsegaye Gedif Ayele

In this paper, by using hardy inequality, we establish some new integral inequalities of Hardy-Hilbert type with general kernel. As applications, equivalent forms and some particular results are built; the corresponding to the double series…

General Mathematics · Mathematics 2011-10-21 Guang-Sheng Chen

In this paper, we consider a linear heat equation with constant coefficients and a single constant delay. Such equations are commonly used to model and study various problems arising in ecology and population biology when describing the…

Analysis of PDEs · Mathematics 2014-01-23 Denys Khusainov , Michael Pokojovy , Elvin Azizbayov

In this paper, we establish some Harnack type inequalities satisfied by positive solutions of nonlocal inhomogeneous equations arising in the description of various phenomena ranging from population dynamics to micro-magnetism. For regular…

Analysis of PDEs · Mathematics 2013-02-08 Jerome Coville
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