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We investigate the Cauchy problem for a heat equation involving a fractional harmonic oscillator and an exponential nonlinearity. We establish local well-posedness within the appropriate Orlicz spaces. Through the examination of small…

Analysis of PDEs · Mathematics 2025-03-07 Divyang G. Bhimani , Mohamed Majdoub , Ramesh Manna

For large classes of non-convex subsets $Y$ in ${\mathbb R}^n$ or in Riemannian manifolds $(M,g)$ or in RCD-spaces $(X,d,m)$ we prove that the gradient flow for the Boltzmann entropy on the restricted metric measure space $(Y,d_Y,m_Y)$…

Functional Analysis · Mathematics 2017-12-21 Janna Lierl , Karl-Theodor Sturm

In \cite{P1}, Perelman established a differential Li-Yau-Hamilton (LYH) type inequality for fundamental solutions of the conjugate heat equation corresponding to the Ricci flow on compact manifolds (also see \cite{N2}). As an application of…

Differential Geometry · Mathematics 2007-05-23 Albert Chau , Luen-Fai Tam , Chengjie Yu

The hydrodynamic equations with quantum effects are studied in this paper. First we establish the global existence of smooth solutions with small initial data and then in the second part, we establish the convergence of the solutions of the…

Mathematical Physics · Physics 2016-07-27 Xueke Pu , Boling Guo

In this paper, we prove the existence of viscosity solutions to complex Hessian equations on compact Hermitian manifolds, assuming the existence of a strict subsolution in the viscosity sense. The results cover the complex Hessian quotient…

Analysis of PDEs · Mathematics 2025-01-29 Jingrui Cheng , Yulun Xu

In this paper, we propose a method of studying the modified Kahler-Ricci flow on projective bundles and give the explicit equation from the view point of symplectic geometry.

Differential Geometry · Mathematics 2015-07-31 Ryosuke Takahashi

In 1964, Eells and Sampson proved the celebrated long-time existence and convergence for the harmonic map heat flow into non-positively curved Riemannian manifolds. In 1992, Gromov and Schoen initiated the study of harmonic maps into…

Differential Geometry · Mathematics 2026-02-06 Hui-Chun Zhang , Xi-Ping Zhu

We study entire solutions of the biharmonic heat equation on complete Riemannian manifolds without boundary. We provide exponential decay estimates for the biharmonic heat kernel under assumptions on the lower bound of Ricci curvature and…

Differential Geometry · Mathematics 2022-03-29 Fei He

In this paper, we investigate the projectively flat bundles over a class of non-compact Gauduchon manifolds. By combining heat flow techniques and continuity methods, we establish a correspondence between the existence of Hermitian-Poisson…

Differential Geometry · Mathematics 2025-07-16 Jie Geng , Zhenghan Shen , Xi Zhang

We introduce a new method for computing the heat invariants of a 2-dimensional Riemannian manifold based on a result by S.Agmon and Y.Kannai. Two explicit expressions for the heat invariants are presented. The first one depends on the…

Differential Geometry · Mathematics 2007-05-23 Iosif Polterovich

We reinvestigate nonexistence and existence of global positive solutions to heat equation with a potential term on Riemannian manifolds. Especially, we give a very natural sharp condition only in terms of the volume of geodesic ball to…

Analysis of PDEs · Mathematics 2019-01-08 Qingsong Gu , Yuhua Sun , Fanheng Xu

The inclination or $\lambda$-Lemma is a fundamental tool in finite dimensional hyperbolic dynamics. In contrast to finite dimension, we consider the forward semi-flow on the loop space of a closed Riemannian manifold $M$ provided by the…

Analysis of PDEs · Mathematics 2014-08-05 Joa Weber

We propose a numerical approach for solving conjugate heat transfer problems using the finite volume method. This approach combines a semi-implicit scheme for fluid flow, governed by the incompressible Navier-Stokes equations, with an…

Numerical Analysis · Mathematics 2025-03-18 Liang Fang , Xiandong Liu , Lei Zhang

Let $\Omega$ be an open set in a geodesically complete, non-compact, $m$-dimen-sional Riemannian manifold $M$ with non-negative Ricci curvature, and without boundary. We study the heat flow from $\Omega$ into $M-\Omega$ if the initial…

Analysis of PDEs · Mathematics 2018-02-01 Michiel van den Berg

In this manuscript, we extend the global gradient estimates for positive solutions to the heat equation under a general compact Finsler $CD(-K,N)$ geometric flow and derive the corresponding Harnack inequality.

Differential Geometry · Mathematics 2025-07-23 Bin Shen

We study the existence of solutions to the fractional semilinear heat equation with a singular inhomogeneous term. For this aim, we establish decay estimates of the fractional heat semigroup in several uniformly local Zygumnd spaces.…

Analysis of PDEs · Mathematics 2026-01-14 Kazuhiro Ishige , Tatsuki Kawakami , Ryo Takada

This paper deals with the Cauchy-Dirichlet problem for the fractional Cahn-Hilliard equation. The main results consist of global (in time) existence of weak solutions, characterization of parabolic smoothing effects (implying under proper…

Analysis of PDEs · Mathematics 2018-01-08 Goro Akagi , Giulio Schimperna , Antonio Segatti

We study nonnegative solutions to the Fractional Porous Medium Equation on a suitable class of connected, noncompact Riemannian manifolds. We provide existence and smoothing estimates for solutions, in an appropriate weak (dual) sense, for…

Analysis of PDEs · Mathematics 2023-09-25 Elvise Berchio , Matteo Bonforte , Gabriele Grillo , Matteo Muratori

We are concerned with solutions to the parabolic Allen-Cahn equation in Riemannian manifolds. For a general class of initial condition we show non positivity of the limiting energy discrepancy. This in turn allows to prove almost…

Analysis of PDEs · Mathematics 2013-08-05 Adriano Pisante , Fabio Punzo

Suppose $G$ is a compact Lie group, $H$ is a closed subgroup of $G$, and the homogeneous space $G/H$ is connected. The paper investigates the Ricci flow on a manifold $M$ diffeomorphic to $[0,1]\times G/H$. First, we prove a short-time…

Analysis of PDEs · Mathematics 2017-10-10 Artem Pulemotov
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