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Novel relativistic expressions are used to calculate the weak decay constants of pseudoscalar and vector mesons within the constituent quark model. Meson wave functions satisfy the quasipotential equation with the complete relativistic…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Ebert , R. N. Faustov , V. O. Galkin

We prove the sharp L^1-L^{\infty} time-decay estimate for the 2D-Schroedinger equation with a general family of scaling critical electromagnetic potentials.

Analysis of PDEs · Mathematics 2016-03-24 L. Fanelli , V. Felli , M. Fontelos , A. Primo

This paper is devoted to the initial value problems for semilinear wave equations of derivative type with spatial weights in one space dimension. The lifespan estimates of classical solutions are quite different from those for nonlinearity…

Analysis of PDEs · Mathematics 2023-03-24 Shunsuke Kitamura , Katsuaki Morisawa , Hiroyuki Takamura

In this paper, we consider the global regularity and the optimal time decay rate for the 2D isentropic hypo-viscous compressible Navier-Stokes equations. Firstly, we prove that there exists a global strong solution with the small initial…

Analysis of PDEs · Mathematics 2026-01-13 Chen Liang , Zhaonan Luo , Zhaoyang Yin

In this paper we focus on the initial value problem for quasi-linear dissipative plate equation in multi-dimensional space $(n\geq2)$. This equation verifies the decay property of the regularity-loss type, which causes the difficulty in…

Analysis of PDEs · Mathematics 2010-03-16 Yongqin Liu , Shuichi Kawashima

In this paper, the initial-boundary value problems for the time-fractional degenerate evolution equations are considered. Firstly, in the linear case, we obtain the optimal rates of decay estimates of the solutions. The decay estimates are…

Analysis of PDEs · Mathematics 2023-07-19 Asselya G. Smadiyeva , Berikbol T. Torebek

We study the 2D-wave equation with a scaling-critical electromagnetic potential. This problem is doubly critical, because of the scaling invariance of the model and the singularities of the potentials, which are not locally integrable. In…

Analysis of PDEs · Mathematics 2020-09-23 Luca Fanelli , Junyong Zhang , Jiqiang Zheng

In this paper we consider elastic waves with Kelvin-Voigt damping in 2D. For the linear problem, applying pointwise estimates of the partial Fourier transform of solutions in the Fourier space and asymptotic expansions of eigenvalues and…

Analysis of PDEs · Mathematics 2020-03-24 Wenhui Chen

We obtain a dispersive long-time decay in weighted energy norms for solutions of the 1D Dirac equation with generic potential. The decay extends the results obtained by Jensen, Kato and Murata for the Schr\"odinger equations.

Mathematical Physics · Physics 2011-02-11 E. Kopylova

This paper studies the Sobolev regularity estimates for weak solutions of a class of degenerate, and singular quasi-linear elliptic problems of the form $\text{div}[\mathbf{A}(x,u, \nabla u)]= \text{div}[\mathbf{F}]$ with non-homogeneous…

Analysis of PDEs · Mathematics 2017-03-01 Tuoc Phan

We introduce a novel framework for the analysis of linear wave equations on nonstationary asymptotically flat spacetimes, under the assumptions of mode stability and absence of zero energy resonances for a stationary model operator. Our…

Analysis of PDEs · Mathematics 2023-03-01 Peter Hintz

We show convergence of minimizers of weighted inertia-energy functionals to solutions of initial value problems for a class of nonlinear wave equations. The result is given for the nonhomogeneous case under a natural growth assumption on…

Analysis of PDEs · Mathematics 2023-05-02 Edoardo Mainini , Danilo Percivale

Consider the Cauchy problem of incompressible Navier-Stokes equations in $\mathbb{R}^3$ with uniformly locally square integrable initial data. If the square integral of the initial datum on a ball vanishes as the ball goes to infinity, the…

Analysis of PDEs · Mathematics 2019-12-18 Hyunju Kwon , Tai-Peng Tsai

In this paper, we establish local decay estimates for the bi-Laplacian Schr\"{o}dinger equation with time-dependent (in particular, quasi-periodic) potentials in spatial dimension $n\ge14$. Moreover, under stronger spectral regularity…

Analysis of PDEs · Mathematics 2026-03-27 Jiayan Wu , Ting Zhang , Ruze Zhou

We consider weak solutions of the spatially inhomogeneous Landau equation with hard potentials ($\gamma \in (0,1]$), under the assumption that mass, energy, and entropy densities are under control. In this regime, with arbitrary initial…

Analysis of PDEs · Mathematics 2020-01-30 Stanley Snelson

We prove short time regularity of suitable weak solutions of 3D incompressible Navier-Stokes equations near a point where the initial data is locally in $L^3$. The result is applied to the regularity problems of solutions with uniformly…

Analysis of PDEs · Mathematics 2018-12-31 Kyungkeun Kang , Hideyuki Miura , Tai-Peng Tsai

We obtain a global existence result for the three-dimensional Navier-Stokes equations with a large class of data allowing growth at spatial infinity. Namely, we show the global existence of suitable weak solutions when the initial data…

Analysis of PDEs · Mathematics 2020-01-08 Zachary Bradshaw , Igor Kukavica , Tai-Peng Tsai

In this paper, we study the optimal time decay rate of isentropic Navier-Stokes equations under the low regularity assumptions about initial data. In the previous works about optimal time decay rate, the initial data need to be small in…

Analysis of PDEs · Mathematics 2015-02-19 Junxiong Jia , Jigen Peng

We prove the pointwise decay of solutions to three linear equations: (i) the transport equation in phase space generalizing the classical Vlasov equation, (ii) the linear Schrodinger equation, (iii) the Airy (linear KdV) equation. The usual…

Analysis of PDEs · Mathematics 2018-02-15 Willie Wai Yeung Wong

In this article, we prove that small localized data yield solutions to Kawahara type equation which have linear dispersive decay on a finite time. We use the similar method used to derive the dispersive decay bound of the solutions to the…

Analysis of PDEs · Mathematics 2022-11-29 Jongwon Lee