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Exponential self-similar mixing and loss of regularity for continuity equations [PDF]

open access: yes, 2014
We consider the mixing behaviour of the solutions of the continuity equation associated with a divergence-free velocity field. In this announcement we sketch two explicit examples of exponential decay of the mixing scale of the solution, in case of ...
Alberti, Giovanni   +2 more
core   +5 more sources

On Nonsmooth Global Implicit Function Theorems for Locally Lipschitz Functions from Banach Spaces to Euclidean Spaces

open access: yesAbstract and Applied Analysis, 2022
In this paper, we establish a generalization of the Galewski-Rădulescu nonsmooth global implicit function theorem to locally Lipschitz functions defined from infinite dimensional Banach spaces into Euclidean spaces.
Guy Degla   +2 more
doaj   +1 more source

Convergence rate of the modified Levenberg-Marquardt method under Hölderian local error bound

open access: yesOpen Mathematics, 2022
In this article, we analyze the convergence rate of the modified Levenberg-Marquardt (MLM) method under the Hölderian local error bound condition and the Hölderian continuity of the Jacobian, which are more general than the local error bound condition ...
Zheng Lin, Chen Liang, Tang Yangxin
doaj   +1 more source

Hyperbolically Bi-Lipschitz Continuity for -Harmonic Quasiconformal Mappings

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2012
We study the class of -harmonic -quasiconformal mappings with angular ranges. After building a differential equation for the hyperbolic metric of an angular range, we obtain the sharp bounds of their hyperbolically partial derivatives, determined by the ...
Xingdi Chen
doaj   +1 more source

Some Regularity Properties on Bolza problems in the Calculus of Variations

open access: yesComptes Rendus. Mathématique, 2022
The paper summarizes the main core of the last results that we obtained in [8, 4, 17] on the regularity of the value function for a Bolza problem of a one-dimensional, vectorial problem of the calculus of variations. We are concerned with a nonautonomous
Bernis, Julien   +2 more
doaj   +1 more source

Regularity results for a quasilinear free boundary problem

open access: yesMathematical Modelling and Analysis, 2020
In this paper we prove local interior and boundary Lipschitz continuity of the solutions of a quasilinear free boundary problem. We also show that the free boundary is the union of graphs of lower semi-continuous functions.
Samia Challal, Abdeslem Lyaghfouri
doaj   +1 more source

About the Subgradient Method for Equilibrium Problems

open access: yesMathematics
Convergence results of the subgradient algorithm for equilibrium problems were mainly obtained using a Lipschitz continuity assumption on the given bifunctions. In this paper, we first provide a complexity result for monotone equilibrium problems without
Abdellatif Moudafi
doaj   +1 more source

Notes on Lipschitz Properties of Nonlinear Scalarization Functions with Applications

open access: yesAbstract and Applied Analysis, 2014
Various kinds of nonlinear scalarization functions play important roles in vector optimization. Among them, the one commonly known as the Gerstewitz function is good at scalarizing.
Fang Lu, Chun-Rong Chen
doaj   +1 more source

CONTROL DIFFUSION PROCESSES WITH LIPSCHITZ CONTINUITY OF DRIFTS

open access: yesJurnal Matematika, 2012
Control diffusion processes has been found in a wide field of applications as in stochastic optimal control and in mathematical finance via the theory of hedging and nonlinear pricing theory for imperfect markets.
Komang Dharmawan
doaj   +1 more source

NON-ARCHIMEDEAN YOMDIN–GROMOV PARAMETRIZATIONS AND POINTS OF BOUNDED HEIGHT

open access: yesForum of Mathematics, Pi, 2015
We prove an analog of the Yomdin–Gromov lemma for $p$-adic definable sets and more broadly in a non-Archimedean definable context. This analog keeps track of piecewise approximation by Taylor polynomials, a nontrivial aspect in the totally disconnected ...
RAF CLUCKERS   +2 more
doaj   +1 more source

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