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Quantitative Estimates for Regular Lagrangian Flows with BV Vector Fields

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2021; 74 (6)

This paper is devoted to the study of flows associated to non-smooth vector fields. We prove the well-posedness of regular Lagrangian flows associated......

Well-Posedness in Gevrey Function Space for 3D Prandtl Equations without Structural Assumption

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, ; ()

We establish the well-posedness in Gevrey function space with optimal class of regularity 2 for the three-dimensional Prandtl system without any struc......

A Control Variate Method Driven by Diffusion Approximation

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, ; ()

In this paper we introduce a control variate estimator for a quantity of interest that can be expressed as the expectation of a function of a random p......

Isoperimetry, Scalar Curvature, and Mass in Asymptotically Flat Riemannian 3-Manifolds

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2021; 74 (4)

Let (M, g) be an asymptotically flat Riemannian 3-manifold with nonnegative scalar curvature and positive mass. We show that each leaf of the canonica......

The Sphere Covering Inequality and Its Dual

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2020; 73 (12)

We present a new proof of the sphere covering inequality in the spirit of comparison geometry, and as a by-product we find another sphere covering ine......

Robustness of Liouville Measure under a Family of Stable Diffusions

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2020; 73 (12)

Consider aC(infinity)closed connected Riemannian manifold(M,g)with negative sectional curvature. The unit tangent bundleSMis foliated by the (weak) st......

Exponential Decay for the Near-Critical Scaling Limit of the Planar Ising Model

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2020; 73 (7)

We consider the Ising model at its critical temperature with external magnetic field ha(15/8) on the square lattice with lattice spacing a. We show th......

MHD Boundary Layers Theory in Sobolev Spaces Without Monotonicity I: Well-Posedness Theory

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2019; 72 (1)

We study the well-posedness theory for the MHD boundary layer. The boundary layer equations are governed by the Prandtl-type equations that are derive......

JIF:3.14

Geometry and Temperature Chaos in Mixed Spherical Spin Glasses at Low Temperature: The Perturbative Regime

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 0; ()

We study the Gibbs measure of mixed spherical p-spin glass models at low temperature, in (part of) the 1-RSB regime, including, in particular, models ......

Global Regularity of 2D Density Patches for Viscous Inhomogeneous Incompressible Flow with General Density: Low Regularity Case

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2019; 72 (4)

This paper presents some progress toward an open question proposed by P.-L. Lions [26] concerning the propagation of regularities of density patches f......

JIF:3.14

Finite Morse Index Implies Finite Ends

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2019; 72 (5)

We prove that finite Morse index solutions to the Allen-Cahn equation in Double-struck capital R-2 have finitely many ends and linear energy growth. T......

JIF:3.14

Vanishing Viscosity Limit for Incompressible Viscoelasticity in Two Dimensions

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2019; 72 (10)

This paper studies the inviscid limit of the two-dimensional incompressible viscoelasticity, which is a system coupling a Navier-Stokes equation with ......

JIF:3.14

Pseudospectral Bound and Transition Threshold for the 3D Kolmogorov Flow

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2020; 73 (3)

In this paper, we study pseudospectral bounds for the linearized operator of the Navier-Stokes equations around the 3D Kolmogorov flow. Using the pseu......

Global Solution for Massive Maxwell-Klein-Gordon Equations

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2020; 73 (1)

We derive the asymptotic properties of the mMKG system (Maxwell coupled with a massive Klein-Gordon scalar field) in the exterior of the domain of inf......

Nonlinear Stability of the Current-Vortex Sheet to the Incompressible MHD Equations

期刊: COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 2018; 71 (2)

In this paper, we solve a long-standing open problem: nonlinear stability of the current-vortex sheet in the ideal incompressible magnetohydrodynamics......

JIF:3.14

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