English
Related papers

Related papers: Strichartz type estimates for fractional heat equa…

200 papers

We consider a general class of integro-differential evolution equations which includes the governing equation of the generalized grey Brownian motion and the time- and space-fractional heat equation. We present a general relation between…

Probability · Mathematics 2022-04-21 Christian Bender , Yana A. Butko

We establish new orthonormal Strichartz estimates for the fractional Schr\"odinger equations on torus $\mathbb T$ and waveguide manifold $\mathbb R^n\times \mathbb T^m$. We generalizes the result of Nakamura [42] on torus; while this is the…

Analysis of PDEs · Mathematics 2025-10-29 Divyang G. Bhimani , Subhash. R. Choudhary

We study existence, uniqueness, norm estimates and asymptotic time behaviour (in some cases can be claimed to be sharp) for the solution of a general evolutionary integral (differential) equation of scalar type on a locally compact…

Analysis of PDEs · Mathematics 2024-09-30 Santiago Gómez Cobos , Joel E. Restrepo , Michael Ruzhansky

In this paper we derive time-decay and Strichartz estimates for the generalized Benjamin-Bona-Mahony equation on the framework of modulation spaces $M^s_{p,q}.$ We use this results to analyze the existence of local and global solutions of…

Analysis of PDEs · Mathematics 2018-12-06 Carlos Banquet , Élder J. Villamizar-Roa

The applicability of stochastic differential equations to thermodynamics is considered and a new form, different from the classical Ito and Stratonovich forms, is introduced. It is shown that the new presentation is more appropriate for the…

Statistical Mechanics · Physics 2015-06-05 R. Tsekov

We establish global existence, uniqueness, regularity and long-time asymptotics of strong solutions to the half-harmonic heat flow and dissipative Landau-Lifshitz equation, valid for initial data that is small in the homogeneous Sobolev…

Analysis of PDEs · Mathematics 2018-06-19 Christof Melcher , Zisis N. Sakellaris

We consider the generic divergence form second order parabolic equation with coefficients that are regular in the spatial variables and just measurable in time. We show that the spatial derivatives of its fundamental solution admit upper…

Analysis of PDEs · Mathematics 2020-04-20 Marina Kleptsyna , Andrey Piatnitski , Alexandre Popier

We examine the Navier-Stokes equations with homogeneous slip boundary conditions coupled with the heat equation with homogeneous Neumann conditions in a bounded domain in $R^3$. The considered domain is a cylinder with $x_3$-axis. The aim…

Analysis of PDEs · Mathematics 2011-03-22 Jolanta Socala , Wojciech M. Zajaczkowski

In this paper we prove the orthonormal Strichartz estimates for the higher order and fractional Schr\"odinger, wave, Klein-Gordon and Dirac equations with potentials. As in the case of the Schr\"odinger operator, the proofs are based on the…

Analysis of PDEs · Mathematics 2024-01-18 Akitoshi Hoshiya

We consider the $L_t^2L_x^r$ estimates for the solutions to the wave and Schr\"odinger equations in high dimensions. For the homogeneous estimates, we show $L_t^2L_x^\infty$ estimates fail at the critical regularity in high dimensions by…

Analysis of PDEs · Mathematics 2018-05-04 Zihua Guo , Ji Li , Kenji Nakanishi , Lixin Yan

We consider the incompressible Navier-stokes equations (NS) in $\mathbb{R}^{n}$ for $n\geq2$. Global well-posedness is proved in critical Besov-weak-Herz spaces (BWH-spaces) that consist in Besov spaces based on weak-Herz spaces. These…

Analysis of PDEs · Mathematics 2017-04-25 Lucas C. F. Ferreira , Jhean E. Pérez-López

Using recent work of Bourgain-Dyatlov we show that for any convex co-compact hyperbolic surface Strichartz estimates for the Schr\"odinger equation hold with an arbitrarily small loss of regularity.

Analysis of PDEs · Mathematics 2017-07-21 Jian Wang

We investigate dispersive and Strichartz estimates for the Schr\"odinger equation involving the fractional Laplacian in real hyperbolic spaces and their discrete analogues, homogeneous trees. Due to the Knapp phenomenon, the Strichartz…

Analysis of PDEs · Mathematics 2024-12-03 Jean-Philippe Anker , Guendalina Palmirotta , Yannick Sire

We consider weak solutions of the fractional heat equation posed in the whole $n$-dimensional space, and establish their asymptotic convergence to the fundamental solution as $t\to\infty$ under the assumption that the initial datum is an…

Analysis of PDEs · Mathematics 2017-10-18 Juan Luis Vázquez

We prove the time analyticity for weak solutions of inhomogeneous parabolic equations with measurable coefficients in the half space with either the Dirichlet boundary condition or the conormal boundary condition under the assumption that…

Analysis of PDEs · Mathematics 2022-08-08 Hongjie Dong , Xinghong Pan

We consider a system of stochastic partial differential equations modeling heat conduction in a non-linear medium. We show global existence of solutions for the system in Sobolev spaces of low regularity, including spaces with norm beneath…

Mathematical Physics · Physics 2007-05-23 Luc Rey-Bellet , Lawrence E. Thomas

The main goal of this paper is to generalize the Sobolev-type inequalities given by Guo-Phong-Song-Sturm and Guedj-T\^o from the case of functions to the framework of twisted differential forms. To this end, we establish certain estimates…

Complex Variables · Mathematics 2025-07-15 Fusheng Deng , Gang Huang , Xiangsen Qin

In this paper, we study large-time asymptotics for heat and fractional heat equations in two discrete settings: the full lattice \(\mathbb Z^d\) and finite connected subgraphs with Dirichlet boundary condition. These results provide a…

Analysis of PDEs · Mathematics 2026-02-19 Rui Chen , Bo Li

We establish the stochastic comparison principles, including moment comparison principle as a special case, for solutions to the following nonlinear stochastic heat equation on $\mathbb{R}^d$ \[ \left(\frac{\partial }{\partial t}…

Probability · Mathematics 2019-12-12 Le Chen , Kunwoo Kim

We consider Hardy operators, i.e., homogeneous Schr\"odinger operators consisting of the ordinary or fractional Laplacian in a half-space plus a potential, which only depends on the appropriate power of the distance to the boundary of the…

Analysis of PDEs · Mathematics 2026-04-20 The Anh Bui , Konstantin Merz