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Related papers: A Note on the Smoothing Problem in Chow's Theorem

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We will give several reduction theorems for Noether's problem.

Rings and Algebras · Mathematics 2007-09-11 Ming-chang Kang , Bernat Plans

We consider the Cauchy problem for the nonlinear Schroedinger eqiation with initial data close to a sum of N decoupled solitons. Under some suitable assumptions on the spectral structure of the one soliton linearizations we prove that for…

Mathematical Physics · Physics 2007-05-23 G. Perelman

The goal of these notes is to provide an informal introduction to Gromov-Witten theory with an emphasis on its role in counting curves in surfaces. These notes are based on a talk given at the Fields Institute during a week-long conference…

Algebraic Geometry · Mathematics 2014-07-07 Simon Rose

We are interested in this article in investigating the smoothing effect properties of the solutions of the Schrodinger equation. We deduce global well-posedness results for the cubic Schrodinger equation in the exterior of several convex…

Analysis of PDEs · Mathematics 2016-11-25 Oana Ivanovici

We propose a new regularization method for constructing a shock wave type solution with nonsmooth front (interaction of shock waves) for quasilinear equations in the one-dimensional case.

Mathematical Physics · Physics 2007-05-23 Vladimir G. Danilov , Vladimir M. Shelkovich

We give soft, quantitatively optimal extensions of the classical Sphere Theorem, Wilking's connectivity principle and Frankel's Theorem to the context of ${k}$-th Ricci curvature. The hypotheses are soft in the sense that they are satisfied…

Differential Geometry · Mathematics 2020-01-08 Luis Guijarro , Frederick Wilhelm

In this paper a special piecewise linear system is studied. It is shown that, under a mild assumption, the semi-smooth Newton method applied to this system is well defined and the method generates a sequence that converges linearly to a…

Optimization and Control · Mathematics 2015-11-13 J. G. Barrios , J. Y. Bello Cruz , O. P. Ferreira , S. Z. Németh

In this short note, we show a uniqueness result of the energy solutions for the Cauchy problem of Schrodinger flow in the whole space $R^n$ provided there is a smooth solution in the energy class.

Analysis of PDEs · Mathematics 2008-10-17 Li Ma , Lin Zhao , Jing Wang

This paper surveys the theory of compactness of the d-bar-Neumann problem. It also contains several results which improve upon what was previously known.

Complex Variables · Mathematics 2007-05-23 Siqi Fu , Emil J. Straube

The Cauchy problem and spatially periodic problem of incompressible Navier-Stokes equation are considered. The existence and uniqueness of global solution for these two problem with infinite smooth initial data $u_0$, i.e.…

Analysis of PDEs · Mathematics 2013-08-01 Yongqian Han

A technique for accelerating global convergence of pseudo-transient continuation Newton methods is proposed based on residual smoothing. The technique is motivated by the effectiveness of local nonlinear smoothers at overcoming strong…

Numerical Analysis · Mathematics 2018-05-11 Dimitri Mavriplis

We give a different proof of a theorem of W. Gangbo and A. Swiech on the short time existence of solutions of the master equation.

Analysis of PDEs · Mathematics 2016-12-20 Ugo Bessi

In this paper, we establish smoothness of moments of the solutions of discrete coagulation-diffusion systems. As key assumptions, we suppose that the coagulation coefficients grow at most sub-linearly and that the diffusion coefficients…

Analysis of PDEs · Mathematics 2015-11-19 Maxime Breden , Laurent Desvillettes , Klemens Fellner

The Riesz potential and its potential theory are closely related to the regularity of solutions to partial differential equations. In this paper, we investigate a class of Minkowski type problems that are closely associated with convex…

Analysis of PDEs · Mathematics 2024-08-14 Jinrong Hu , Yong Huang , Jian Lu

We study minimization of a structured objective function, being the sum of a smooth function and a composition of a weakly convex function with a linear operator. Applications include image reconstruction problems with regularizers that…

Optimization and Control · Mathematics 2021-06-01 Axel Böhm , Stephen J. Wright

In this paper we provide a sharp characterization of the smooth four-dimensional sphere. The assumptions of the theorem are conformally invariant, and can be reduced to an L^2 inequality of the Weyl tensor and positivity of the Yamabe…

Differential Geometry · Mathematics 2007-05-23 S. Y. A Chang , Matthew J. Gursky , Paul Yang

We obtain some results related to Romanoff's theorem.

Number Theory · Mathematics 2023-09-26 Artyom Radomskii

In this article, we study an analog of the Bj\"orling problem for isothermic surfaces (that are more general than minimal surfaces): given a real analytic curve $\gamma$ in ${\mathbb R}^3$, and two analytic non-vanishing orthogonal vector…

Differential Geometry · Mathematics 2020-02-26 Ulrike Bücking , Daniel Matthes

It is shown that the one-dimensional or two-dimensional radially symmetric isothermal compressible Navier-Stokes system has no non-trivial global smooth solutions if the initial density is compactly supported. This result is a…

Analysis of PDEs · Mathematics 2011-08-09 Du Dapeng , Li Jingyu , Zhang Kaijun

Solutions to the wave equation on de Sitter-Schwarzschild space with smooth initial data on a Cauchy surface are shown to decay exponentially to a constant at temporal infinity, with corresponding uniform decay on the appropriately…

Analysis of PDEs · Mathematics 2008-11-17 Richard Melrose , Antônio Sá Barreto , András Vasy