نتایج جستجو برای: tangential fields

تعداد نتایج: 251758  

Journal: :Annales Fennici Mathematici 2021

Through the Loewner equation, real-valued driving functions generate sets called hulls. We analyze that approach 0 at least as fast \(a (T-t)^r\) \(t \to T\), where \(r \in (0, 1/2)\), and show corresponding hulls have tangential behavior time \(T\). also prove a result about trace existence apply it to driven by \(a(T-t)^r\) for (0,1/2)\) curve.

2008
Roberto Romero José Ma José A. Pons Juan A. Miralles

We have extended the procedure to find the exact solution of the Riemann problem in relativistic hydrodynamics to a particular case of relativistic magnetohydrodynamics in which the magnetic field of the initial states is tangential to the discontinuity and orthogonal to the flow velocity. The wave pattern produced after the break up of the initial discontinuity is analogous to the non–magnetic...

Journal: :Journal of Mathematical Analysis and Applications 2020

Journal: :Ukrainian Mathematical Journal 2022

We describe the realizations of finite-dimensional Lie algebras smooth tangential vector fields on a circle and construct “canonical” two-dimensional noncommutative algebra, as well algebra ????????(2,?) . It is shown that any realization these by can be reduced to one with help piecewise-smooth global transformations onto itself. also deduce formulas for number nonequivalent realizations.

2016
Alexandre Ern Jean-Luc Guermond ALEXANDRE ERN JEAN-LUC GUERMOND

We construct mollification operators in strongly Lipschitz domains that do not invoke non-trivial extensions, are Lp stable for any real number p ∈ [1,∞], and commute with the differential operators ∇, ∇×, and ∇·. We also construct mollification operators satisfying boundary conditions and use them to characterize the kernel of traces related to the tangential and normal trace of vector fields....

2013
M. Lafourcade

Let us suppose we are given a composite, continuously contrareal monoid equipped with an associative, multiply Hadamard–Weyl path N ′′. In [20], the authors address the maximality of right-finitely parabolic, essentially Riemann fields under the additional assumption that there exists a Frobenius system. We show that δ → ‖η‖. A central problem in stochastic representation theory is the descript...

2003
LI MA

with II(X,Y ) = DXY −∇XY, for tangential vector fields X,Y on Σ. We define the mean curvature vector field (in short, MCV) by H = trΣII. In recent years, many people are interested in studying the evolution of the immersion F : Σ → Mn+k along its Mean Curvature Flow (in short, just say MCF). The MCF is defined as follows. Given an one-parameter family of sub-manifolds Σt = Ft(Σ) with immersions...

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